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DescriptionTriode.jpg English: Photo of a triode at the Berlin Communications Museum (Museum für Kommunikation Berlin) Date 10 February 2009 Source Own...

en<BR>Daar geupload door Stevan White met beschrijving ''(Diagram of Vacuum-Tube Triode)''<br>Aangenomen licentie: {{GFDL}} English determination method or standard:...

hereby publish it under the following license: English 6Н9С (6SL7 double triode) made in Saratov in 1995 author name string: Retired electrician Wikimedia...

BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Triode by L. DeForest in Deutsches Museum Munich author name string: Drahtlos Wikimedia...

work, hereby publish it under the following license: English The first triode, the de Forest Audion, invented in 1906 determination method or standard:...

English Triode grid leak radio receiver applies to jurisdiction: United States determination method or standard: SHA-1...

work, hereby publish it under the following license: English 6С19П (6S19P) triode, Ulyanovsk 1969 01 author name string: Retired electrician Wikimedia username:...

work, hereby publish it under the following license: English 6С19П (6S19P) triode, Ulyanovsk 1969 01 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н9С (6SL7 double triode) made in Saratov in 1995 author name string: Retired electrician Wikimedia...

0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Primitive triode vacuum tube, arrangement of electrodes and battery connections. applies...

hereby publish it under the following license: English 6С2С (6S2S=6J5) triode made by Vostok in 1967 author name string: Retired electrician Wikimedia...

work, hereby publish it under the following license: English 6С19П (6S19P) triode, Ulyanovsk 1969 01 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н5П (6N5P) double triode made by Vostok 1971 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6C4П-ЕВ (6S4P-EV triode) made in Saratov in 1985 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н7С (6N7 double triode) 1967, made by Vostok Novosibirsk object of statement has role: photographer...

under the following license: English 6Н16Б-В (6N16B-V) subminiature double triode made by ORZEP (Oryol) 1986 author name string: Retired electrician Wikimedia...

work, hereby publish it under the following license: English 6С2П (6S2P) triode made by NEVZ in 1988 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6С3П-ЕВ (6S3P-EV) triode Reflector 1976 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6С2С (6S2S=6J5) triode made by Vostok in 1967 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6Н13С (6N13S aka 6AS7) double triode Svetlana 1977 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6С45П-Е (6S45P-E) triode made by Reflektor, 1975 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6С2С (6S2S=6J5) triode made by Vostok in 1967 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6Н3П-ЕВ (6N3P-EV double triode), made by Okryabr Vinnitsa in 1979 author name string: Retired electrician...

hereby publish it under the following license: English 6C4П-ЕВ (6S4P-EV triode) made in Saratov in 1985 object of statement has role: photographer author...

publish it under the following license: English 6Н3П-ЕВ (6N3P-EV double triode), made by Okryabr Vinnitsa in 1979 author name string: Retired electrician...

work, hereby publish it under the following license: English 6С2П (6S2P) triode made by NEVZ in 1988 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6С45П-Е (6S45P-E) triode made by Reflektor, 1975 author name string: Retired electrician Wikimedia...

work, hereby publish it under the following license: English 6С2П (6S2P) triode made by NEVZ in 1988 author name string: Retired electrician Wikimedia username:...

under the following license: English Retail boxes of Soviet 6Ф12П (6F12P) triode-pentodes author name string: Retired electrician Wikimedia username: Retired...

hereby publish it under the following license: English 6Н3П (6N3P) double triode, base version, made in Vinnitsa in 1975 author name string: Retired electrician...

hereby publish it under the following license: English 6Н3П-Е (6N3P-E double triode) made by Reflektor 1989 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н3П (6N3P) double triode, base version, made in Vinnitsa in 1975 author name string: Retired electrician...

hereby publish it under the following license: English 6Н5П (6N5P) double triode made by Vostok 1971 author name string: Retired electrician Wikimedia username:...

work, hereby publish it under the following license: English 6Ф12П (6F12P) triode-pentode, made by Vostok 1983 author name string: Retired electrician Wikimedia...

work, hereby publish it under the following license: English 6Ф12П (6F12P) triode-pentode, made by Vostok 1983 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н9С (6SL7 double triode) made in Saratov in 1995 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6С2С (6S2S=6J5) triode made by Vostok in 1967 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6Н13С (6N13S aka 6AS7) double triode Svetlana 1977 author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6Н13С (6N13S aka 6AS7) double triode Svetlana 1977 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н9С (6SL7 double triode) made in Saratov in 1995 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6C4П-ЕВ (6S4P-EV triode) made in Saratov in 1985 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н8С (6SN7 double triode) Vostok 1980 author name string: Retired electrician Wikimedia username:...

work, hereby publish it under the following license: English 6Ф12П (6F12P) triode-pentode, made by Vostok 1983 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н8С (6SN7 double triode) Vostok 1980 object of statement has role: photographer author name string:...

work, hereby publish it under the following license: English 6С2П (6S2P) triode made by NEVZ in 1988 author name string: Retired electrician Wikimedia username:...

work, hereby publish it under the following license: English 6Ф12П (6F12P) triode-pentode, made by Vostok 1983 author name string: Retired electrician Wikimedia...

it under the following license: English 6И1П-К (6I1P-K = ECH81 = 6AJ8) triode-heptode made by Reflektor 1972 author name string: Retired electrician Wikimedia...

under the following license: English Retail boxes of Soviet 6Ф12П (6F12P) triode-pentodes author name string: Retired electrician Wikimedia username: Retired...

hereby publish it under the following license: English 6Н5П (6N5P) double triode made by Vostok 1971 author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, with flashing, 1982 author name string: Retired electrician...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, with flashing, 1982 author name string: Retired electrician...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, no flashing, 1988 author name string: Retired electrician Wikimedia...

work, hereby publish it under the following license: English 6С19П (6S19P) triode, Ulyanovsk 1969 01 author name string: Retired electrician Wikimedia username:...

work, hereby publish it under the following license: English 6С19П (6S19P) triode, Ulyanovsk 1969 01 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н7С (6N7 double triode) 1967, made by Vostok Novosibirsk author name string: Retired electrician...

hereby publish it under the following license: English 6Н7С (6N7 double triode) 1967, made by Vostok Novosibirsk author name string: Retired electrician...

hereby publish it under the following license: English 6Н5П (6N5P) double triode made by Vostok 1971 author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6Н13С (6N13S aka 6AS7) double triode Svetlana 1977 author name string: Retired electrician Wikimedia username:...

work, hereby publish it under the following license: English 6С2П (6S2P) triode made by NEVZ in 1988 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6С45П-Е (6S45P-E) triode made by Reflektor, 1975 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6С3П-ЕВ (6S3P-EV) triode Reflector 1976 author name string: Retired electrician Wikimedia username:...

work, hereby publish it under the following license: English 6Ф12П (6F12P) triode-pentode, made by Vostok 1983 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6C4П-ЕВ (6S4P-EV triode) made in Saratov in 1985 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6C4П-ЕВ (6S4P-EV triode) made in Saratov in 1985 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6C4П-ЕВ (6S4P-EV triode) made in Saratov in 1985 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н3П (6N3P) double triode, base version, made in Vinnitsa in 1975 object of statement has role: photographer...

hereby publish it under the following license: English 6Н8С (6SN7 double triode) Vostok 1980 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н3П (6N3P) double triode, base version, made in Vinnitsa in 1975 author name string: Retired electrician...

it under the following license: English 6И1П-К (6I1P-K = ECH81 = 6AJ8) triode-heptode made by Reflektor 1972 author name string: Retired electrician Wikimedia...

under the following license: English 6Н16Б-В (6N16B-V) subminiature double triode made by ORZEP (Oryol) 1986 author name string: Retired electrician Wikimedia...

work, hereby publish it under the following license: English 6Ф12П (6F12P) triode-pentode, made by Vostok 1983 object of statement has role: photographer...

hereby publish it under the following license: English 6Н3П-Е (6N3P-E double triode) made by Reflektor 1989 author name string: Retired electrician Wikimedia...

1080 1756 English: Low power triodes for receivers made by AT&T (Western Electric) 56 322 401 594 1080 1756 High power triodes for transmitters made by AT&T...

publish it under the following license: English 6Н3П-ЕВ (6N3P-EV double triode), made by Okryabr Vinnitsa in 1979 author name string: Retired electrician...

hereby publish it under the following license: English 6Н5П (6N5P) double triode made by Vostok 1971 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н6П (6N6P double triode) object of statement has role: photographer author name string: Retired...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, 1988 - unbranded factory box author name string: Retired electrician...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, no flashing, 1988 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6С4С (=6B4G) directly-heated triode, made by Svetlana in 1978 manufacturer: Svetlana production date: 1975 author...

under the following license: English 6Н16Б-В (6N16B-V) subminiature double triode made by ORZEP (Oryol) 1986 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6С4С (=6B4G) directly-heated triode, made by Svetlana in 1978 manufacturer: Svetlana production date: 1975 author...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, with flashing, 1982 author name string: Retired electrician...

hereby publish it under the following license: English 6Н6П (6N6P double triode, base version) author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н3П-Е (6N3P-E double triode) made by Reflektor 1989 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н6П (6N6P double triode, base version) author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, with flashing, 1982 author name string: Retired electrician...

hereby publish it under the following license: English 6Н6П (6N6P double triode) author name string: Retired electrician Wikimedia username: Retired electrician...

hereby publish it under the following license: English 6Н3П-Е (6N3P-E double triode) made by Reflektor 1989 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н6П (6N6P double triode) author name string: Retired electrician Wikimedia username: Retired electrician...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, 1988 - unbranded factory box author name string: Retired electrician...

hereby publish it under the following license: English 6С3П-ЕВ (6S3P-EV) triode Reflector 1976 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6С3П-ЕВ (6S3P-EV) triode Reflector 1976 author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, no flashing, 1988 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н3П-Е (6N3P-E double triode) made by Reflektor 1989 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, no flashing, 1988 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6С45П-Е (6S45P-E) triode made by Reflektor, 1975 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6С45П-Е (6S45P-E) triode made by Reflektor, 1975 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6С45П-Е (6S45P-E) triode made by Reflektor, 1975 author name string: Retired electrician Wikimedia...

hereby publish it under the following license: English 6Н6П (6N6P double triode) author name string: Retired electrician Wikimedia username: Retired electrician...

under the following license: English 6Н16Б-В (6N16B-V) subminiature double triode made by ORZEP (Oryol) 1986 author name string: Retired electrician Wikimedia...

it under the following license: English 6И1П-К (6I1P-K = ECH81 = 6AJ8) triode-heptode made by Reflektor 1972 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6Н13С (6N13S aka 6AS7) double triode Svetlana 1977 author name string: Retired electrician Wikimedia username:...

it under the following license: English 6И1П-К (6I1P-K = ECH81 = 6AJ8) triode-heptode made by Reflektor 1972 object of statement has role: photographer...

described at URL: https://www.flickr.com/photos/thenri/16267211137/ operator: Flickr URL: https://live.staticflickr.com/7357/16267211137_3e1e9f2382_o.jpg...

publish it under the following license: English 6С4С (=6B4G) directly-heated triode, made by Svetlana in 1978 manufacturer: Svetlana production date: 1975 author...

publish it under the following license: English 6С4С (=6B4G) directly-heated triode, made by Svetlana in 1978 manufacturer: Svetlana production date: 1975 author...

hereby publish it under the following license: English 6Н6П (6N6P double triode) author name string: Retired electrician Wikimedia username: Retired electrician...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, with flashing, 1982 author name string: Retired electrician...

publish it under the following license: English 6Н18Б-В (6N18B-V) double triode made by MELZ 1980 author name string: Retired electrician Wikimedia username:...

hereby publish it under the following license: English 6Н6П (6N6P double triode) author name string: Retired electrician Wikimedia username: Retired electrician...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, no flashing, 1988 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6Н3П-ЕВ (6N3P-EV double triode), made by Okryabr Vinnitsa in 1979 author name string: Retired electrician...

hereby publish it under the following license: English 6Н6П (6N6P double triode) author name string: Retired electrician Wikimedia username: Retired electrician...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, no flashing, 1988 author name string: Retired electrician Wikimedia...

under the following license: English 6Н16Б-В (6N16B-V) subminiature double triode made by ORZEP (Oryol) 1986 author name string: Retired electrician Wikimedia...

it under the following license: English 6И1П-К (6I1P-K = ECH81 = 6AJ8) triode-heptode made by Reflektor 1972 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6Н13С (6N13S aka 6AS7) double triode Svetlana 1977 author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6С4С (=6B4G) directly-heated triode, made by Svetlana in 1978 manufacturer: Svetlana production date: 1975 author...

under the following license: English 6Н16Б-В (6N16B-V) subminiature double triode made by ORZEP (Oryol) 1986 author name string: Retired electrician Wikimedia...

DescriptionMarconi transmitting triode.jpg English: Early high power triode vacuum tube made by the Marconi Co. around 1920-22 for use in their radio...

publish it under the following license: English 6С41С (6C41C or 6S41S) triode, Ulyanovsk, no flashing, 1988 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6Н18Б-В (6N18B-V) double triode made by MELZ 1980 author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6Н18Б-В (6N18B-V) double triode made by MELZ 1980 author name string: Retired electrician Wikimedia username:...

publish it under the following license: English 6С4С (=6B4G) directly-heated triode, made by Svetlana in 1978 manufacturer: Svetlana production date: 1975 author...

publish it under the following license: English 6Н18Б-В (6N18B-V) double triode made by MELZ 1980 author name string: Retired electrician Wikimedia username:...

Description6AM4 UHF triode.jpg Čeština: UHF triode 6AM4 Date 3 January 2020 Source Own work Author Foxiest...

Description955 UHF triode.jpg Čeština: 955 UHF acorn triode up to about 900 MHz Date 3 January 2020 Source Own work Author Foxiest...

DescriptionTube d'émission triode.jpg Français : Tube d'émission triode d'une puissance de 300 Kilowatts, qui a été utilisé pour l'émetteur grandes ondes...

DescriptionWestern Electric triode.jpg English: One of the first triode vacuum tubes, manufactured around World War 2 by Western Electric, the manufacturing...

Description6SN7 tube - dual triode.jpg English: Side view of a 6SN7 vacuum tube showing the dual triodes Date 26 April 2022, 20:44:54 Source Own work Author...

BY 4.0 Creative Commons Attribution 4.0 truetrue English An experimental triode by [[Lee De Forest]] (1906) in a 1914 radio by [[Edwin Howard Armstrong]]...

DescriptionFET small signal triode model.jpg English: small signal triode model Date 11 September 2009 Source Own work Author Knoppson...

DescriptionTriode EC360.jpg Triode EC360 Source Self-photographed Author ScAvenger...

DescriptionTriode TS1a.jpg English: German oscillator triode for the decimeter band TS1a (WW II) Polski: Niemiecka trioda generacyjna na pasmo decymetrowe...

English 1564 - "special purpose" version of 6С3Б triode Russian 1564 - спецвариант сверхминиатюрного триода 6С3Б, МЭЛЗ determination method or standard:...

DescriptionTriode 805.jpg English: Transmitter triode 805. Polski: Trioda nadawcza 805. Date 25 February 2010 (according to Exif data) Source Own work...

English 1564 - "special purpose" version of 6С3Б triode Russian 1564 - спецвариант сверхминиатюрного триода 6С3Б, МЭЛЗ...

DescriptionTriode REN904.jpg English: Triode REN 904. Early Telefunken vacuum tube. Manufactured ca. 1930 - 1935. The german book lying in the background...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

Attribution-Share Alike 4.0 truetrue English The 7586 Nuvistor type, the triode grid. author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

English 1504 HF triode - a vibration-resistant "special purpose" variant of 6С5Д, unknown plant Russian 1504 - высокочастотный генераторный триод, вибропрочный...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

Commons Attribution-Share Alike 4.0 truetrue English The 7586 Nuvistor type, triode tube anode. author name string: Mister rf Wikimedia username: Mister rf...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

English 6Ф12 rare Soviet locktal RF triode (copy of Mullard EC-52) Russian 6Ф12 локтальный ВЧ триод, завод Тантал 1956 described at URL: http://www.155la3...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

English 1504 HF triode - a vibration-resistant "special purpose" variant of 6С5Д, unknown plant Russian 1504 - высокочастотный генераторный триод, вибропрочный...

English 1564 - "special purpose" version of 6С3Б triode Russian 1564 - спецвариант сверхминиатюрного триода 6С3Б, МЭЛЗ determination method or standard:...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

Ediswan V1505 - a power triode for audio or RF amplifier use up to 1.5 MHz. 1619 435 330 531 2560 1920 Soviet 6C33C power triode 294 6 861 528 2560 1920...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

Regenerative detector triode 814 170 64 124 1598 582 First audio amplifier triode 958 178 70 124 1598 582 Second audio amplifier triode 502 270 116 96 1598...

English An experimental hybrid device, blending a coaxial RF triode and a reverse-biased silicon power diode Russian Опытная серия электронно-полупроводниковых...

publish it under the following license: English 6Н30П-ЕВ (6N30P-EV) double triode object of statement has role: photographer author name string: Retired electrician...

This image is a derivative work of the following images: Image:Triode_vacuum_tube.png licensed with GFDL 2006-10-14T03:04:40Z Mako098765 382x396 (22574...

DescriptionLampes électroniques (51256664052) Miniwatt ECH3 triode-hexode.jpg English: ECH3 Philips/Mullard Triode-Hexode from the 1930s. Date 19 June 2021, 10:36...

English 6Ф12 rare Soviet locktal RF triode (copy of Mullard EC-52) Russian 6Ф12 локтальный ВЧ триод, завод Тантал 1956 described at URL: http://www.155la3...

Zusammenstellung von Elektronenröhren.<br> Von links nach rechts:<br> 5676 (Mini-Triode)<br> EAA91 (Doppel-Diode)<br> 1T4 / DF91 (Pentode)<br> ECC82 (Doppel-Pentode)<br>...

hereby publish it under the following license: English 8T-92 Water-cooled triode made by the NEC Corporation, Japan URL: https://commons.wikimedia.org/wiki/user:Yoit...

English 6Ф12 rare Soviet locktal RF triode (copy of Mullard EC-52) Russian 6Ф12 локтальный ВЧ триод, завод Тантал 1956 described at URL: http://www.155la3...

DescriptionHitachi 7586 Nuvistor triode tube.jpg English: The 7586 Nuvistor type, manufactured by Hitachi.The 7586 is a medium mu triode. The Nuvistor was the final...

Description7586 Nuvistor triode tube.jpg English: The 7586 Nuvistor type, manufactured by Philips in USA. RCA introduced the Nuvistor in 1959 as a miniature...

DescriptionTehranVilla Triode - panoramio.jpg English: Sattar Khan Street (bottom) and Tehran Villa Street (top) Date Taken on 27 January 2016 Source https://web...

publish it under the following license: English 6Н30П-ЕВ (6N30P-EV) double triode author name string: Retired electrician Wikimedia username: Retired electrician...

2009-04-07 13:26 Globe Collector 587×1381× (66549 bytes) R.C.A. Type 885 Triode Thyratron, 64.9KB. Created: 7th April 2009. Author: Andrew Kevin Pullen...

publish it under the following license: English Eimac 750TL 750 Watt power triode author name string: Douglas W. Jones Wikimedia username: Douglas W. Jones...

English 6Ф12 rare Soviet locktal RF triode (copy of Mullard EC-52) Russian 6Ф12 локтальный ВЧ триод, завод Тантал 1956 described at URL: http://www.155la3...

English 6Ф12 rare Soviet locktal RF triode (copy of Mullard EC-52) Russian 6Ф12 локтальный ВЧ триод, завод Тантал 1956 described at URL: http://www.155la3...

13:44 Globe Collector 1646×1225× (192770 bytes) 955 R.C.A. Acorn V.H.F. triode thermionic valve/electron tube, with coin and TO-72 transistor for comparison...

publish it under the following license: English 6Н30П-ЕВ (6N30P-EV) double triode author name string: Retired electrician Wikimedia username: Retired electrician...

publish it under the following license: English 6Н30П-ЕВ (6N30P-EV) double triode author name string: Retired electrician Wikimedia username: Retired electrician...

hereby publish it under the following license: English 9T-71 Water-cooled triode for high-power broadcasting, NEC Corporation, 1957 object of statement has...

publish it under the following license: English 6С62Н-В (6S62N-V) nuvistor triode, made by Vostok, 1972 author name string: Retired electrician Wikimedia...

publish it under the following license: English 6С62Н-В (6S62N-V) nuvistor triode, made by Vostok, 1972 author name string: Retired electrician Wikimedia...

Commons Attribution-Share Alike 4.0 truetrue English Triple Diode-Triode (double diode+triode + independent diode) author name string: Mister rf Wikimedia...

publish it under the following license: English 6С62Н-В (6S62N-V) nuvistor triode, made by Vostok, 1972 author name string: Retired electrician Wikimedia...

DescriptionTriode-russian-text.svg Русский: Электровакуумный триод с косвенным подогревом катода Date 30 November 2019 Source File:Triode-english-text...

Highlanders Wikimedia username: TriodeFollower URL: https://commons.wikimedia.org/wiki/user:TriodeFollower author name string: TriodeFollower determination method...

Commons Attribution 4.0 truetrue English Electron tube: Orchestron ULTRA, two Triode system author name string: Sven Wikimedia username: Sven URL: https://commons...

DescriptionTriodes-vs.jpg English: Triodes for serial voltage stabilization circuits (6S33S, 6N13S, EC360, 6S19P). Polski: Triody do szeregowych stabilizatorów...

Commons Attribution 4.0 truetrue English Electron tube: Orchestron ULTRA, two Triode system author name string: Sven Wikimedia username: Sven URL: https://commons...

English: The Eimac 3-500C, a high power RF triode vacuum tube used as a radio frequency amplifier in radio transmitters. It has maximum ratings of 500...

Commons Attribution 4.0 truetrue English Electron tube: Orchestron ULTRA, two Triode system author name string: Sven Wikimedia username: Sven URL: https://commons...

(180318 bytes) {{Information |Beschreibung = Foto eine ECC86er-Röhre. (Zwei [[Triode]]n, Anodenspannung: Für Röhren -sehr- niedrig, sie funktioniert mit ca....

0 Creative Commons Attribution-Share Alike 4.0 truetrue English PCL805 triode - beam tetrode author name string: Mister rf Wikimedia username: Mister...

222 657 332 3rd tuned radio frequency (TRF) stage 291 39 44 42 657 332 Triode vacuum tube 265 94 43 62 657 332 Interstage coupling transformer 248 184...

0 Creative Commons Attribution-Share Alike 4.0 truetrue English PCL805 triode - beam tetrode author name string: Mister rf Wikimedia username: Mister...

0 Creative Commons Attribution-Share Alike 4.0 truetrue English PCL805 triode - beam tetrode author name string: Mister rf Wikimedia username: Mister...

Commons Attribution-Share Alike 4.0 truetrue English 12C3C very low noise triode. author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

holder of this work, hereby publish it under the following license: English Triodes object of statement has role: photographer author name string: Noroi Wikimedia...

Attribution-Share Alike 4.0 truetrue English 12C3C - dissection of a HF oscillation triode author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

  This file has been superseded by Freqtripliermade of triodes.png. It is recommended to use the other file. Please note that deleting superseded images...

Commons Attribution-Share Alike 4.0 truetrue English 12C3C very low noise triode. author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

  This file has been superseded by Freqdoublermade using triodes.png. It is recommended to use the other file. Please note that deleting superseded images...

0 Creative Commons Attribution-Share Alike 4.0 truetrue English PCL805 triode - beam tetrode author name string: Mister rf Wikimedia username: Mister...

Attribution-Share Alike 4.0 truetrue English 12C3C - dissection of a HF oscillation triode author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

Commons Attribution-Share Alike 4.0 truetrue English 12AU7 is a double triode with separate cathodes author name string: Mister rf Wikimedia username:...

Creative Commons Attribution-Share Alike 4.0 truetrue English Heavily used triode-pentode vacuum tube author name string: Mister rf Wikimedia username: Mister...

Attribution-Share Alike 4.0 truetrue English 12C3C - dissection of a HF oscillation triode author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

DescriptionDouble triodes ECC85.jpg English: Double triodes ECC85 Source Own work Author RJB1...

Commons Attribution-Share Alike 4.0 truetrue English 12C3C very low noise triode. author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

DescriptionFour 6n2p vacuum triodes.jpg English: I made this image myself, from the tubes in my collection on March 5, 2006. Date 18 March 2006 (original...

Attribution-Share Alike 4.0 truetrue English 12C3C - dissection of a HF oscillation triode object of statement has role: photographer author name string: Mister rf...

Creative Commons Attribution-Share Alike 4.0 truetrue English 7586 Nuvistor triode tube author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Triode+Beam-Output-Tetrode vacuum tube author name string: Mister rf Wikimedia...

Creative Commons Attribution-Share Alike 4.0 truetrue English Nuvistor triode 6С52Н. Full (right), without case (left). USSR, 1970s. Russian Нувистор...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English ECH81 triode heptode vacuum tube author name string: Mister rf Wikimedia username: Mister...

supplys removed Date 16 February 2006 Source w:Image:Freqtripliermade_of_triodes.jpg Author wikipedia:en:user:Cadmium Permission (Reusing this file) Public...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English PCL82 triode pentode vacuum tube used in television receivers audio output stages. author...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tube. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Commons Attribution-Share Alike 4.0 truetrue English Heavily used ECH81 triode heptode vacuum tube author name string: Mister rf Wikimedia username: Mister...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

supplys removed Date 16 February 2006 Source w:Image:Freqdoublermade_using_triodes.jpg Author wikipedia:en:user:Cadmium Permission (Reusing this file) Public...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

DescriptionTriode-dt-text.svg Deutsch: Schnittzeichnung durch eine Elektronenröhe. Dargestellt ist eine Triode, welche drei Elektroden besitzt: Anode...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tube. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

described at URL: https://www.flickr.com/photos/noeffred/3557007508/ operator: Flickr URL: https://live.staticflickr.com/3554/3557007508_9de5e924ab_o.jpg...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Mullard-Philips tube designation OCxx. "O" signals a cold cathode tue. "C" signals a triode tube. But the component is a transistor. "xx" is a number. author name string:...

Attribution-Share Alike 4.0 truetrue English Medium gain pre-amplifying double triode author name string: Mister rf Wikimedia username: Mister rf URL: https://commons...

truetrue You may select the license of your choice. English GP-5 power triode, manufactured in 1986 by Svetlana Russian Радиолампа ГП-5 производственного...

com/photos/noeffred/3556195465/ operator: Flickr URL: https://live.staticflickr.com/3633/3556195465_4a5268e51e_o.jpg determination method or standard: SHA-1...

DescriptionRCA ’808’ Power Vacuum Tube.jpg Deutsch: RCA '808' Elektronenröhre English: RCA ’808’ Power Vacuum Tube Français : Tube électronique '808'...

dual triode vacuum tube 773 1228 595 361 5692 4269 Siemens relay 873 1645 456 467 5692 4269 Valvo ECC 81 (12AT7) - miniature medium-gain dual triode vacuum...

DescriptionTriode-english-text.svg Català: Dibuix seccionat que mostra l'estructura d'un triode de baixa potència en un tub de buit. El tríode, inventat...

DescriptionTriode-romanian-text.svg English: Triode, romanian text Date 26 June 2016 Source File:Triode-english-text.svg Author Svjo Permission (Reusing...

com/photos/noeffred/3557093676/ operator: Flickr URL: https://live.staticflickr.com/3590/3557093676_0181dae06e_o.jpg determination method or standard: SHA-1...

com/photos/51764518@N02/19868977309/ operator: Flickr URL: https://live.staticflickr.com/517/19868977309_37a33c47ee_o.jpg determination method or standard: SHA-1...

com/photos/51764518@N02/10536664334/ operator: Flickr URL: https://live.staticflickr.com/2859/10536664334_dc3dfd6b68_o.jpg determination method or standard: SHA-1...

org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Graetz DG 5 - Valvo ECC 83 - high-gain double triode...

com/photos/51764518@N02/26574381408/ operator: Flickr URL: https://live.staticflickr.com/4695/26574381408_40d26e1f2a_o.jpg determination method or standard: SHA-1...

com/photos/51764518@N02/36229884105/ operator: Flickr URL: https://live.staticflickr.com/4328/36229884105_71eea2cf21_o.jpg determination method or standard: SHA-1...

Description6L6 triode anode characteristics.jpg English: 6L6 triode anode characteristics Date 1955 Source https://archive.org/details/RcaTubeHandbookHb-3Vol...

org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Graetz DG 5 - Valvo ECC 83 - high-gain double triode...

org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Graetz DG 5 - Valvo ECC 83 - high-gain double triode...

Alike 4.0 truetrue English Graetz DG 5 - Valvo ECC 81 (12AT7) - miniature medium-gain dual triode vacuum tube determination method or standard: SHA-1...

Montage Hartley avec deux lampes triodes à montage symétrique (Adam, Dictionnaire de radiotechnique, 1948, p265).jpg...

DescriptionEarly triode vacuum tube collection.jpg English: Collection of early triode vacuum tubes belonging to American inventor Lee De Forest, the...

Alike 4.0 truetrue English Graetz DG 5 - Valvo ECC 81 (12AT7) - miniature medium-gain dual triode vacuum tube determination method or standard: SHA-1...

Alike 4.0 truetrue English Graetz DG 5 - Valvo ECC 81 (12AT7) - miniature medium-gain dual triode vacuum tube determination method or standard: SHA-1...

com/photos/51764518@N02/36364001731/ operator: Flickr URL: https://live.staticflickr.com/4395/36364001731_d621e925ac_o.jpg determination method or standard: SHA-1...

Title Photograph of an early triode valve. This is one of many clones of the French TM triode, introduced in late 1915 and manufactured in the UK, US,...

288 1200 854 EC81 (first production 1949) English Different designs of triodes author name string: RJB1 URL: https://commons.wikimedia.org/wiki/user:RJB1...

DescriptionWestern Electric VT-1 Triode Vacuum Tube.jpg English: Western Electric VT-1 Triode Receiver During World War I, the US. made considerable advances...

Description7586 Nuvistor triode tube - the cathode.jpg English: The 7586 Nuvistor type, manufactured by Philips in USA. RCA introduced the Nuvistor in...

DescriptionWestern Electric VT-2 Triode Transmitter Vacuum Tube.jpg English: Picture of a Western Electric VT-2 Triode Transmitter Vacuum Tube. The U.S...

Description7586 Nuvistor triode tube - the heater.jpg English: The 7586 Nuvistor type, manufactured by Philips in USA. RCA introduced the Nuvistor in 1959...

DescriptionTriodo.png Diagram of Vacuum-Tube Triode Date 9 May 2006 Source http://en.wikipedia.org/wiki/Image:Triode.jpg Author Stevan White Permission (Reusing...

at URL: https://www.flickr.com/photos/51764518@N02/34577535762/ operator: Flickr URL: https://live.staticflickr.com/4169/34577535762_d96d45aa7b_o.jpg...

Description7586 Nuvistor triode tube - bottom view.jpg English: The 7586 Nuvistor type, manufactured by Philips in USA. RCA introduced the Nuvistor in...

DescriptionTriodes-IMG 7000.jpg Triodes. On display at the Musée Bolo, EPFL, Lausanne. Date Taken on 9 February 2013, 11:06 (according to Exif data) Source...

Description7586 Nuvistor triode tube- internal bottom view.jpg English: The 7586 Nuvistor type, manufactured by Philips in USA. RCA introduced the Nuvistor...

Description7586 Nuvistor triode tube - internal top view.jpg English: The 7586 Nuvistor type, manufactured by Philips in USA. RCA introduced the Nuvistor...

DescriptionTriodes-IMG 7002.jpg Triodes. On display at the Musée Bolo, EPFL, Lausanne. Date Taken on 9 February 2013, 11:08 (according to Exif data) Source...

DescriptionVintage Premier Triode Vacuum Tube, Type X-201A, Made In USA, Circa 1920s (35548894413).jpg Vintage Premier Triode Vacuum Tube, Type X-201A,...

DescriptionTriodes-IMG 7001.jpg Triodes. On display at the Musée Bolo, EPFL, Lausanne. Date Taken on 9 February 2013, 11:07 (according to Exif data) Source...

DescriptionTriodes-IMG 7004.jpg Triodes. On display at the Musée Bolo, EPFL, Lausanne. Date Taken on 9 February 2013, 11:11 (according to Exif data) Source...

DescriptionVintage Philips E424N Triode Vacuum Tube With 4-Pin Base, Made In Netherlands (34739369305).jpg Auction Item 54A -- Cledis Estes Auctions II...

DescriptionTriodes-IMG 6999.jpg Triodes. On display at the Musée Bolo, EPFL, Lausanne. Date Taken on 9 February 2013, 11:02 (according to Exif data) Source...

DescriptionLaila Amezian Triode WOMEX 13 Showcase Festival Friday (by Jacob Crawfurd) (10491394406).jpg Laila_Amezian_Triode_WOMEX_13_Showcase_Festiv...

DescriptionHomemade push-pull 809 triode CW amateur radio transmitter 1937.jpg English: A homemade vacuum tube shortwave radiotelegraph amateur radio transmitter...

DescriptionLaila Amezian Triode WOMEX 13 Showcase Festival Friday (by Eric van Nieuwland) (10496031555).jpg Laila_Amezian_Triode_WOMEX_13_Showcase_Fest...

DescriptionVT1 Detector-Amplifier Triode, Western Electric, c. 1917 - National Electronics Museum - DSC00110.JPG English: Exhibit in the National Electronics...

DescriptionPair Of Sylvania Type 2A3 Power Triode Vacuum Tubes, Made In USA (36588040035).jpg Pair Of Sylvania Type 2A3 Power Triode Vacuum Tubes, Made In USA Date...

Description833A Power Transmitting Triode, RCA, 1940 - National Electronics Museum - DSC00157.JPG English: Exhibit in the National Electronics Museum,...

DescriptionGL-862A Broadcast Transmitting Triode, water cooled, General Electric, c. 1930 - National Electronics Museum - DSC00179.JPG English: Exhibit in the National...

DescriptionTriodes immatures sharing lunch.jpg English: Troides aeacus immatures on host Aristolochia sp., taken in NTHU, Hsinchu Date 6 July 2025, 10:26:40...

C-401 Triode Globe Vacuum Tubes, Same Tube Also Branded As Cardon, Made In USA, Circa 1920s (35781180473).jpg Pair Of Vintage Sparton Type C-401 Triode Globe...

Birdwing(Triodes minos) (37493717291).jpg Pupa of Southern Birdwing(Triodes minos) Date 29 September 2017, 12:22 Source Pupa of Southern Birdwing(Triodes minos)...

bookimages/14568478428/ operator: Flickr URL: https://live.staticflickr.com/2933/14568478428_d8f5873c89_o.jpg determination method or standard: SHA-1...

Birdwing(Triodes minos) ഇന്ത്യയിലെ ഏറ്റവും വലിയ ശലഭമായ ഗരുഡശലഭത്തിന്റെ ജീവിതാവസ്ഥകൾ (37462500202).jpg Life cycle of Southern Birdwing(Triodes minos) ഇന്ത്യയിലെ...

bookimages/14569601979/ operator: Flickr URL: https://live.staticflickr.com/3837/14569601979_e935f03c5f_o.jpg determination method or standard: SHA-1...

bookimages/14569601589/ operator: Flickr URL: https://live.staticflickr.com/5593/14569601589_fd8565398b_o.jpg determination method or standard: SHA-1...

com/photos/zigazou76/51256664052/ operator: Flickr URL: https://live.staticflickr.com/65535/51256664052_9243840f10_o.jpg determination method or standard: SHA-1...

com/photos/smithsonian/2551575666/ operator: Flickr URL: https://live.staticflickr.com/3116/2551575666_4ba5e6987a_o.jpg determination method or standard: SHA-1...

bookimages/14571468869/ operator: Flickr URL: https://live.staticflickr.com/5570/14571468869_41377a3a8c_o.jpg determination method or standard: SHA-1...

com/photos/ylearkisto/29225530980/ operator: Flickr URL: https://live.staticflickr.com/8489/29225530980_7fcca17952_o.jpg determination method or standard: SHA-1...

at URL: https://www.flickr.com/photos/hammershaug/22931545713/ operator: Flickr URL: https://live.staticflickr.com/5737/22931545713_83bcb07ee0_o.jpg...

at URL: https://www.flickr.com/photos/hammershaug/23450053682/ operator: Flickr URL: https://live.staticflickr.com/5673/23450053682_0bb3dbc48c_o.jpg...

described at URL: https://www.flickr.com/photos/hammershaug/23476157801/ operator: Flickr URL: https://live.staticflickr.com/761/23476157801_ed84d0466b_o.jpg...

at URL: https://www.flickr.com/photos/hammershaug/22931532793/ operator: Flickr URL: https://live.staticflickr.com/5833/22931532793_de27c13e46_o.jpg...

com/photos/vonlohmann/7052317787/ operator: Flickr URL: https://live.staticflickr.com/7271/7052317787_ca5ca70d29_o.jpg determination method or standard: SHA-1...

DescriptionMontage Hartley avec deux lampes triodes à montage symétrique (Adam, Dictionnaire de radiotechnique, 1948, p265).jpg This file has no description, and...

com/photos/felipe_brandalise/29439138234/ operator: Flickr URL: https://live.staticflickr.com/7538/29439138234_e5f2625897_o.jpg determination method or standard: SHA-1...

at URL: https://www.flickr.com/photos/51764518@N02/40238744802/ operator: Flickr URL: https://live.staticflickr.com/4677/40238744802_213a2f3921_o.jpg...

DescriptionACH1-Telefunken.jpg Čeština: ACH1 Telefunken triode-hexode Date 26 December 2019 Source Own work Author Foxiest...

DescriptionA409.jpg Français : caractéristiques d'une triode A409 Date 1 May 2006 Source Own work Author Jhl...

DescriptionTUBE RADIO.jpg Français : Tube radio enveloppe de verre enlevée. English: Internal structure of a 1950-s triode-pentode combination tube in...

Description3CX1500A7 Inside.JPG English: Amateur radio transmitter power amplifier with 3CX1500A7 triode vacuum tube inside circular heat sink, center...

1915.jpg Français : Loupiote. Brevet français n°452657, octobre 1915. Triode militaire TM, douille en cuivre. English: Early French military triode vacuum...

DescriptionE438.JPG English: Triode E438. Polski: Trioda E438. Source Own work Author OTLamp...

at the output frequency. Inside the cavity is a high frequency coaxial triode vacuum tube (ST) which functions as an oscillator to generate the microwaves...

DescriptionRCA 6GH8A tube.jpg English: An RCA brand 6GH8A tube (Triode-Pentode). Date 4 September 2020 Source Own work Author Jaywillce...

DescriptionECC89.JPG English: Two double triodes ECC89. Designed for VHF Amplification, but I tested for audio and has worked Español: Dos triodos dobles...

DescriptionUCH81; WF 1954.jpg Deutsch: Triode-Heptode UCH 81 für regelbare Mischstufen, hergestellt im Werk für Fernmeldewesen (später Werk für Fernsehelektronik...

Ward packaging (7298974546).jpg Vacuum tube in Montgomery Ward packaging. The GX201A is an ancient directly-heated triode, introduced in 1925 // LWYang...

DescriptionTelefunken re144 1937.jpg English: Telefunken Triode RE144 Made in 1937 The RE144 was mid 1920ies telefunken triode which was produced until the...

DescriptionHTG101; WF 1964.jpg Deutsch: Triodenoszillator, bestehend aus einer UHF-Triode und einem fest abgestimmten Schwingkreis (1782MHz), insbesondere...

DescriptionGu 5a.jpg Russian generator triode GU-5A (ГУ-5А). Date 2007 Source Own work Author ScAvenger...

DescriptionUABC80; WF 1954.jpg Deutsch: Dreifachdiode-Triode UABC 80 (Diode mit grossem Innenwiderstand für AM-Bereiche, Duodiode mit kleinem Innenwiderstand...

English: Cutaway drawing showing the construction of a low power triode vacuum tube. The triode, invented in 1906 by Lee De Forest, was the first device which...

DescriptionRCA 211 tube.jpg English: RCA 211 direct heat triode tube Русский: RCA 211 прямонакальная радиолампа триод Source foto Author I...

DescriptionUABC80; WF 1957.jpg Deutsch: Dreifachdiode-Triode UABC 80 (Diode mit grossem Innenwiderstand für AM-Bereiche, Duodiode mit kleinem Innenwiderstand...

DescriptionECL81.jpg English: ECL81 triode-pentode Polski: Trioda-pentoda ECL81 Source Own work Author RJB1...

Description6C10.JPG English: Triple triode 6C10. Polski: Potrójna trioda 6C10. Source Own work Author OTLamp...

DescriptionECL80.jpg English: ECL80 triode-pentode Polski: Trioda-pentoda ECL80 Source Own work Author RJB1...

DescriptionTube6n15p.jpg English: Russian Dual Triode 6N15P (6Н15П) Polski: Rosyjska podwójna trioda 6N15P (6Н15П) Date 18 October 2010 Source Own work...

DescriptionVT126.JPG English: Double triode VT126 Polski: Podwójna trioda VT126. Source Own work Author OTLamp...

triode / 1954 / made by NEC), same left (7F-31R / forced air-cooled quadrupole tube / 1960 / made by NEC), same right (TR-1519 / Medium-sized triode /...

DescriptionCX345.JPG English: Power triode CX345. Polski: Trioda mocy CX345. Source Own work Author OTLamp...

DescriptionVT127A 1.JPG Español: Triodo de potencia de radiofrecuencia. English: High power triode vacuum tube, used in radio transmitters Date 10 April...

DescriptionMSN EC92.jpg Deutsch: Triode EC92, hergestellt im Röhrenwerk "Anna Seghers" Neuhaus am Rennweg (später MSN - Mikroelektronik "Anna Seghers"...

DescriptionRelais-eimax hg.jpg English: Power triode vacuum tube used in radio transmitters. The cylindrical sheet metal structure is a heat sink attached...

DescriptionCBC1.JPG English: Double signal diode and triode CBC1. Polski: Duodioda detekcyjna, trioda sygnałowa CBC1. Source Own work Author OTLamp...

DescriptionVRS351; WF 1957.jpg Deutsch: Strahlungsgekühlte Triode für Stromregelzwecke (200mA0 Originalbeschreibung: Senderöhre VRS 351 mit Maßstab zum...

Description3CX1500A7.jpg English: The Eimac 3CX1500A7, a popular high power transmitting triode vacuum tube used in radio and television transmitters....

DescriptionTDD4.JPG English: Double signal diode and triode TDD4. Polski: Duodioda sygnałowa i trioda TDD4. Source Own work Author OTLamp...

DescriptionEBC3.JPG English: Double signal diode and triode EBC3. Polski: Duodioda detekcyjna i trioda EBC3. Source Own work Author OTLamp...

Telephones and Cables Ltd 4212d (8891086607).jpg Standard Telephones and Cables Ltd 4212d. The 4212D is a power triode with an anode dissipation of 200 Watts...

DescriptionEC360; WF 1957.jpg Deutsch: Triode EC 360 Originalbeschreibung: Empfängerröhre EC360 mit Maßstab zum Größenvergleich. Besteller: Bock. Bock...

2016-02-02 080.JPG English: Wikitrip to MAI museum 2016-02-02. The tubes, top to bottom: Ediswan V1505 power triode, 6C33C power triode (right center)...

Telephones and Cables Ltd 4212d (8891707752).jpg Standard Telephones and Cables Ltd 4212d. The 4212D is a power triode with an anode dissipation of 200 Watts...

The single tube, according to [1], was either a VT139 triple-triode or VT126 double-triode (note all American military tube designation). According to...

Description6g2 1961.jpg Russian diode plus triode (metallic body) 6G2 (6Г2). Manufactured in 1961. Date 2007 Source Own work Author ScAvenger...

Нижегородской радиолаборатории. English: The first soviet vacuum tube - triode, made at Tver. The exhibition of Nizhny Novgorod Radiolaboratory Museum...

DescriptionGS-9B.JPG English: Russian metalloceramic triode (generator tube) GS-9B (ГС-9Б), a vacuum tube used in high power, high frequency radio transmitters...

Description2015-03-07 - Thinktank - Sasha Taylor - 77.JPG English: British Type R triodes (copies of the French TM tube introduced in November 1915) installed...

DescriptionEm 4 1967.jpg English: Russian electrometric triode EM-4 (ЭМ4). Manufactured in 1967. Deutsch: Sowjetische Elektrometerröhre EM-4 (ЭМ4), hergestellt...

Description6G1 atveerta.jpg Russian diode plus triode 6G1 (6Г1). Metallic balloon opened. Date 2007 Source Own work Author ScAvenger...

Description2015-03-07 - Thinktank - Sasha Taylor - 67.JPG English: British Type R triodes (copies of the French TM tube introduced in November 1915) installed...

Description2015-03-07 - Thinktank - Sasha Taylor - 74.JPG English: British Type R triodes (copies of the French TM tube introduced in November 1915) installed...

DescriptionTen 2C53.JPG English: Ten 2C53 vacuum tube - high-voltage triode for shunt-type voltage regulators. TEN was a trademark of Kobe Kogyo Corporation...

„Leuchtturmröhre“ English: A so-called "lighthouse tube", a high frequency triode vacuum tube used as an amplifier or oscillator at UHF frequencies up to...

50.JPG English: British Aircraft Tuner Receiver Mk. III made by Wireless Telegraphy Factory, War Department; Soho. 1917 model with two Type R triodes (copies...

DescriptionSovtek 6922.jpg Sovtek 6922 touble triode. Date 1 June 2006 Source Own work Author Adamantios Permission (Reusing this file) GFDL,CC-BY-SA...

DescriptionJan philips 5687.jpg JAN Philips 5687 touble triode. Date 1 June 2006 Source Own work Author Adamantios Permission (Reusing this file) GFDL...

Electric in 1922, showing radio pioneer Guglielmo Marconi (right) a new 20 kW triode vacuum tube GE has developed for radio transmitters. Langmuir, a pioneer...

DescriptionWikitrip to MAI museum 2016-02-02 084.JPG English: Wikitrip to MAI museum 2016-02-02. Lighthouse-type VHF triode Русский: Вики-экскурсия в музей МАИ 2016-02-02...

DescriptionGerman Museum of Technology, Berlin 2017 017.jpg English: German Museum of Technology, Berlin, Germany. Triode E.V.N. 94. Telefunken, Berlin 1914 Date 4...

indirectly-heated vacuum tube 1925.jpg English: One of the first vacuum tubes with an indirectly-heated cathode, a triode manufactured by the McCulloch Co...

to MAI museum 2016-02-02 081.JPG English: Wikitrip to MAI museum 2016-02-02. AEI EDISWAN V1505 Radiation Cooled Triode. Type V1505 was first introduced...

Lieben and Eugen Reisz beginning in 1906 and a competitor to the Audion (triode) invented by Lee De Forest for the earliest amplifying vacuum tube. About...

DescriptionMarconi Carnarvon transmitter valves.jpg English: Triode vacuum tubes (valves) that powered the 40 kHz, 100 kilowatt longwave telegraph transmitter...

DescriptionLeeFig6 Pierce Patent.jpg English: oscilator9 Date 24 November 2009 Source Own work Author Radomir Sebek...

designed by their chief engineer, Henry J. Round in 1914. It used a prototype triode vacuum tube designed by Round. It was designed for shipboard use. The large...

Williamson design, however, the output tubes are pentode-connected (not triode-connected as in the Williamson). Date 15 September 2009 Source Own work...

DescriptionTRF Schematic.jpg English: Schematic of a Typical TRF Radio Six Tube Design using Triode Tubes – Two Radio Frequency Amplifiers, One Grid-Leak...

DescriptionScheib2a.jpg Deutsch: Scheibentriode (Sowjetunion, ca. 1978), vermutlich für UKW-Bordfunk English: Small high frequency triode vacuum tube (Soviet...

DescriptionScheib1.jpg Deutsch: Kleine Scheibentriode sowjetischer Fertigung (09/1977), mittlerer Ring: Gitteranschluss English: Small high frequency triode vacuum...

connecting wires. In this circuit, to address this problem, the type 801 triode tube (bottom) is mounted upside down with the grid and plate terminals connected...

tuned radio frequency (TRF) receiver which neutralized feedback in the triode vacuum tube, preventing oscillations which caused howling and squealing...

DescriptionRadio homebrewed1.jpg Deutsch: MW - Röhrenradio mit einer LCF802 (Triode/Pentode), Selbstbau English: Tuberadio with LCF802 (triode pentode), broadcast...

DescriptionEcl82.jpg English: Phillips ECL82 dual audio triode-pentode vacuum tube, 20 mm diameter by 68 mm high, viewed by the light of it's filament...

base.jpg English: 12C3C (12S3S) HF oscillation triode. Equivalent to the LD1 tube used by the German Luftwaffe in WWII. 12C3C is very low noise triode. Uf...

removed.jpg English: 12C3C (12S3S) HF oscillation triode. Equivalent to the LD1 tube used by the German Luftwaffe in WWII. 12C3C is very low noise triode. Uf...

part integrated components, how resistors and condensators. Triode: contact inside to triode A/S: contact outside to antenna and selection of stations P:...

Invented by Irving Langmuir in 1915, the Pliotron is the first true vacuum triode (a three electrode vacuum tube). Date 13 June 2007 Collection Science History...

DescriptionPower Amp (3436708369).jpg from left to right: C3G (triode mode) as driver EL84 (triode mode, 1.2 W max) for power. high efficiency speakers...

DescriptionGocetrajkoski1.jpg English: Single-ended triode Date 15 September 2009 Source Own work Author Trajkoski Goce...

wassergekühlter Sendetriode.JPG Deutsch: Moosbrunn, Teil des TSW2100D-Kurzwellensenders: 100 kW-Endestufe mit wassergekühlter Senderöhre (Triode) English: Part of...

Description6N1P.jpg English: Russian Dual Triode 6N1P Русский: 6Н1П Date 27 March 2006, 23:21 Source http://en.wikipedia.org/wiki/Image:6N1P.jpg Author Tvezymer...

wassergekühlter Senderöhre.JPG Deutsch: Moosbrunn, Telefunken Endstufe des 500 kW-Senders mit wassergekühlter Senderöhre (Triode) Date 30 May 2015 Source...

amplifying devices—the klystron, the traveling-wave tube,and the ordinary triode modified inform. The klystron has found con-siderable use in communication...

Description7586 RCA Nuvistor.jpg Čeština: 7586 RCA Nuvistor triode Date 3 January 2020 Source Own work Author Foxiest...

between 900 m (330 kHz) and 1500 m (200 kHz). It uses VT-1 triodes for receiving and VT-2 triodes for transmitting, and has a range of about 100 miles with...

tubes 02.JPG Six microminiature vacuum tubes. Left to right: rod-type pentode (diameter=5mm), two conventional pentodes (d=8mm), two dual triodes (d=8mm)...

because of electrode capacitance and inductance. This oscillator uses a triode vacuum tube with two coupled shorted Lecher lines (parallel transmission...

in 1933. Amplifying hearing aids, made possible by the invention of the triode vacuum tube by Lee De Forest in 1906, had just come on the market a few...

jpg English: A tuned RF amplifier module for a radio transmitter, from an advertisement in a 1938 radio magazine. This consists of two power triode tubes...

Audion telephone repeaters.jpg English: Some of the earliest vacuum tube telephone repeaters in 1919, using the Audion triode which Western Electric had...

DescriptionMoorhead electron relay tube.jpg English: An early triode, the Moorhead electron relay, was manufactured by Otis Moorhead beginning in 1916...

Description12ax7 cutaway view.jpg English: Here's a cutaway view of a classic 12AX7 vacuum tube triode. Part of the plate has been removed to reveal the...

Simple detector radio employing the 3NF vacuum tube. The 3NF contained a triode and associated resistors and capacitors inside a common glass tube. Date...

DescriptionVÁLVILA TRIODO.JPG válvula triodo Date 26 August 2007 Source Dibujo de mi autoría Author Think Tank Permission (Reusing this file) Dominio...

Description直熱管和膀熱管.jpg 直熱管和膀熱管 Date 21 July 2007 Source 自行製作 Author Sany Fu...

DescriptionIBM 700 logic module.jpg English: A module from a IBM 700 series computer, with eight 5965A/12AV7 dual triode vacuum tubes. Date 23 April 2014...

DescriptionAmp classe A.jpg Català: Esquema d'una etapa de potencia usant un tríode. Date 7 February 2012 Source Own work Author DaMag...

De Forest in 1906, was the first device that could amplify and the first triode, consisting of a partially evacuated glass bulb containing three electrodes:...

DescriptionNew DIY Tube Amplifier (3240314993).jpg PL519 / PCL82 Single Ended Triode Mode Date 30 January 2009, 20:33 Source New DIY Tube Amplifier Author...

connecting wires. In this circuit, to address this problem, the type 801 triode tube (bottom) is mounted upside down with the grid and plate terminals connected...

Description6n1p 1960.jpg Double triode 6N1P (6Н1П in russian). Manufactured in Soviet Union, 1960. Date 2008 Source Own work Author ScAvenger...

DescriptionSRW317; WF.jpg Deutsch: Wassergekühlte Sendetriode SRW317, hergestellt im Werk für Fernsehelektronik Berlin, im Deutschen Technikmuseum Berlin...

in a 1915 trade journal. It was a one-tube radio that used the Audion (triode), the first amplifiying vacuum tube, invented by Lee De Forest in 1906,...

DescriptionDubulttriode darbiibaa.jpg Working double triode TUNGSRAM ECC83. Date 2007 Source Own work Author ScAvenger...

DescriptionECL82.jpg English: ECL82 triode-pentode Polski: Trioda-pentoda ECL82 Source Own work Author RJB1...

Description12AX7 nine pin tube.jpg English: 12AX7 nine pin tube Date 1 October 2011 Source Uploaded by user John Bessa Author . Original uploader was...

DescriptionPcl200.JPG English: Triode pentode PCL200. Polski: Trioda pentoda PCL200. Source Own work Author OTLamp...

Description6DJ8.JPG I made this image myself, by taking a picture of tubes in my collection. A ECC88, Philips JAN 6922, 6DJ8, and 6N23P. Date 20 March...

Description2A3 vacuum tube by C.K.Tse 02.jpg 2A3 directly-heated triode, 1934 (cropped) Date 6 April 2009, 00:48 Source 2A3 tested 1934 Author C.K. Tse...

with triode RF amp Date 25 August 2008 Source Self created using Inkscape. Drawing is based on the now deleted image Leacherlinewithtriodes.jpg Author...

triode zh.svg is a vector version of this file. It should be used in place of this JPG file when not inferior. File:真空三極管之原理.jpg → File:Vacuum triode...

Description2A3 vacuum tube by C.K.Tse 01.jpg 2A3 directly-heated triode, 1934 Date 6 April 2009, 00:48 Source 2A3 tested 1934 Author C.K. Tse Other versions...

лампах - но, как видно, и обычными пальчиковыми не пренебрегал. English: Triode plus pentode 6F1P (=ECF80) Date 30 October 2012, 01:40:40 Source Own work...

Description6N8S PL.jpg English: Octal double triode 6N8S (ZWLE, Poland) Polski: Oktalowa podwójna trioda 6N8S (produkcji ZWLE) Date 6 February 2011 Source...

DescriptionPre-Amp (3436708979).jpg from right to left: CCA (E88CC, 6922) for 1st Phono Stage D3a or E280F (triode mode) for 2nd Phono Stage CCA for doubel...

Description Westinghouse El. & Mfg. Co. WL-203A - transmitting (not receiving!) triode with Jumbo 4-pin bayonet base. It was big - 191 mm tall and 51 mm wide,...

broadcasts by the British Broadcasting Corporation (BBC). The four early power triode valves (vacuum tubes) used in parallel look similar to 4 kW Marconi MT1...

LM 218ia tube amplifier (23450172172).jpg My new amp from Line Magnetic. 22 watts per channel, Single Ended Triode design, Pure Class A with 845 output...

which could produce power at UHF frequencies. It used specially designed triode tubes, the 852 (left) in which the electrons, instead of moving from cathode...

DescriptionPCF802 Tesla.jpg English: PCF802 Tesla Date 19 March 2024, 15:55:23 Source Own work Author Drahtlos...

Description6n1p ev os 1981.jpg Double triode 6N1P-EV-OS (6Н1П-ЕВ-ОС in russian). Manufactured in Soviet Union, 1981. Date 2008 Source Own work Author...

DescriptionABC1.JPG English: Double signal diode and triode ABC1. Polski: Podwójna dioda detekcyjna i trioda typu ABC1. Source Own work Author OTLamp...

which could produce power at UHF frequencies. It used a specially designed triode tube in which the electrons, instead of moving from cathode to plate, oscillated...

Radio Tel. & Tel. Co." A one-tube radio receiver that used the Audion (triode) vacuum tube invented by Lee De Forest in 1906. The amplifying ability of...

LM 218ia tube amplifier (23558667625).jpg My new amp from Line Magnetic. 22 watts per channel, Single Ended Triode design, Pure Class A with 845 output...

amplifier. Glowing 845 (23450159602).jpg My new amp from Line Magnetic. 22 watts per channel, Single Ended Triode design, Pure Class A with 845 output...

LM 218ia tube amplifier (22930395894).jpg My new amp from Line Magnetic. 22 watts per channel, Single Ended Triode design, Pure Class A with 845 output...

DescriptionUltraudion tube.jpg English: An Audion tube, the first vacuum tube that could amplify. The first triode, it consists of a partially evacuated...

hearing aid.jpg English: An early hearing aid made with vacuum tubes from a 1933 electronics magazine. The invention of the amplifying Audion (triode) vacuum...

Signal Corps in France during World War 1. This example was built with early triode vacuum tubes. It consists of a mixer and local oscillator section (left)...

Afrikaans • Afrikaans .png: English • English español • Spanish svenska • Swedish српски (ћирилица) • Serbian (Cyrillic script) .jpg: Nederlands • Dutch...

DescriptionStrahltriode.jpg Deutsch: Strahltriode (beam triode), hohle Anode rechts (cylindrical hollow anode), Gitter und Kathode links hinter dem Loch...

DescriptionPCL85 TELAM.jpg English: PCL85 TELAM Date 19 March 2024, 15:44:39 Source Own work Author Drahtlos...

EL34 tubes from Psvane. (22930429544).jpg My new amp from Line Magnetic. 22 watts per channel, Single Ended Triode design, Pure Class A with 845 output...

General Electric in the United States, the smaller, an ECC-83/12AX7 dual triode, was made by Telefunken in West Germany. The smaller tube is 1-3/4 inch...

die Antenne, rechts die 100 kW-Endestufe mit wassergekühlter Senderöhre (Triode). Unten rechts die Stromversorgung für die Kathodenheizung der Senderöhre...

DescriptionKR Audio Kronzilla amplifier, KR T1610 tubes (3556422517).jpg The Kronzilla amplifier is built around a pair of KR Audio T1610 tubes, each...

In the background, parts of processor registers, each bit with a double triode as storage and a glow lamp as display; in the centre foreground power pentodes...

DescriptionRCA 6EU7.jpg English: RCA brand 6EU7 Date 5 April 2016 Source Own work Author Nonsuchpro...

DescriptionKR Audio Kronzilla amplifier, KR T1610 tubes (3557234680).jpg The Kronzilla amplifier is built around a pair of KR Audio T1610 tubes, each...

of the triode vacuum tube, serving as a volume control; (right) tuning capacitor. Date 28 March 2008 Source English WP w:en:File:S7300059.JPG Author Ozguy89...

Description1926-Loewe-Audion-OE333-P1020682-1.JPG Deutsch: „Audion“ aus dem Jahre 1926, Loewe OE 333 mit Dreifach-Triode 3NF und mit einem Lautsprecher aus dem...

10 or 20 meter band (15 or 30 MHz) using two type 100TH triode vacuum tubes. The two triodes were operated in push-pull, driving the resonant tank circuit...

bottom the RCA plugs. The tube on the left part of the PCB is a double triode (one for each channel) for the preamplification stage. Above and below it...

Description2C26A radiavalve pic1.JPG Vacuum tube. Date 24 December 2017, 17:20:20 Source Own work Author Alf van Beem...

a singe-tube separate module in a square box. It used the RCA UV200 gas triode for demodulation, and was intended for operating together with similar modules...

The antenna is connected to the left of the electron tube (ECC85 dual-triode). At the topmost right is the channel dial, that is connected to two mechanically...

DescriptionWikitrip to MAI museum 2016-02-02 082.JPG English: Wikitrip to MAI museum 2016-02-02. Soviet 6C33C power triode Русский: Вики-экскурсия в музей МАИ 2016-02-02...

Audion receiver 1914.jpg English: A homemade Audion radio receiver constructed by an amateur radio hobbyist 1914. The Audion (triode), the first amplifying...

with cover removed. Inside the cavity is visible the top of the GS13-1 triode vacuum tube which generates the microwaves. It uses high frequency "lighthouse...

jpg English: A Lecher line consisting of copper tubing mounted on standoff insulators. It is excited by a loop of wire coupled to a a 200 MHz triode oscillator...

DescriptionБСЭ1. Беспроволочная связь 8.jpg English: Figure from Беспроволочная связь article of Great Soviet Encyclopedia, 1st edition Русский: Иллюстрация...

DescriptionLee De Forest with Audion tubes.jpg English: American electrical engineer Lee De Forest, the inventor of the triode vacuum tube, with two of his tubes...

Forest and Audion transmitter.jpg English: American electrical engineer Lee De Forest, inventor of the Audion (triode) vacuum tube, and one of the first...

DescriptionSendetriode 1kW strahlungsgekühlt.JPG Deutsch: Strahlungsgekühlte Sendetriode für Kurzwellensender Leistung: 1 kW Maximale Anodenspannung:...

Invented in 1906 by American engineer Lee De Forest, the Audion was the first triode, containing three electrodes; a filament, a plate, and between them a grid...

DescriptionPapillions Diurne Asie-1115.jpg Français : Papilionidae (Triodes sp), Insectes, XXe siècle, Muséum Requien, Achat, 2015, Fondation Calvet, Collection...

DescriptionTesla ECF82.jpg Deutsch: Verbundröhre ECF82, hergestellt von Tesla, Tschechoslovakei Date 17 March 2019, 11:50:47 Source Own work Author Drahtlos...

grid triode RF amp stage, like the tuned grid drawing the decoupling and neut. are not shown Date 26 December 2005 Source w:Image:Groundedgrid.jpg Author...

DescriptionБСЭ1. Беспроволочная связь 6.jpg English: Figure from Беспроволочная связь article of Great Soviet Encyclopedia, 1st edition Русский: Иллюстрация...

DescriptionPC88 Detail.jpg Deutsch: Detailansicht einer geheizten PC88 Date 8 April 2007 Source Own work (Original caption: " Selbst fotografiert ") Author...

Description2C26A radiavalve pic2.JPG Vacuum tube. Date 24 December 2017, 17:20:34 Source Own work Author Alf van Beem...

DescriptionБСЭ1. Беспроволочная связь 5.jpg English: Figure from Беспроволочная связь article of Great Soviet Encyclopedia, 1st edition Русский: Иллюстрация...

had only existed for a few years, made possible by the development of the triode vacuum tube during World War 1. Date 1926 Source Retrieved from Archie Frederick...

Museum of Technology, Berlin 2017 016.jpg English: German Museum of Technology, Berlin, Germany. Triple triode. 3NF. Loewe, Berlin 1926. Date 4 April...

DescriptionLinea Gotica Tolè abc7.jpg Italiano: "Linea Gotica Tolè" mostra permanente nella scuola di Tolè, Vergato (BO) Date 1 April 2023, 14:42:15 Source...

DescriptionRs2041 siedegekuehlt.jpg Deutsch: Siedegekühlte Senderöhre English: Water-cooled transmitting vacuum tube. Date 21 February 2008 Source Self-photographed...

it was the first Francophone radio station in North America. The early triode output tubes were the size of footballs to dissipate the waste heat. Date...

DescriptionHT711; WF 1963.jpg Deutsch: Mikrowellentriode HT 711 (auch als EC 563 bezeichnet) bis 7GHz - Ausgangsleistung 4,1W (4GHz), 1,8W (6GHz) Originalbeschreibung:...

DescriptionAudion-sterling-blue.jpg Audion Sterling ETSE (Extended Triode Single Ended Stereo) tube amplifier. Date 25 January 2006 Source Own work Author...

DescriptionБСЭ1. Беспроволочная связь 7.jpg English: Figure from Беспроволочная связь article of Great Soviet Encyclopedia, 1st edition Русский: Иллюстрация...

DescriptionBrimar PCC89 valve 0001.jpg English: Brimar PCC89 valve Date 13 July 2018, 19:35:45 Source Own work Author A. Carty...

coil would be the secondary, connected to the input grid circuit of the triode vacuum tube. One of the outside coils would be connected to the antenna...

DescriptionHT351; WF 1965.jpg Deutsch: Luftgekühlte UHF-Leistungstriode - maximale Frequenz 1,73GHz (Dauerstrich), 3,75GHz (Impuls), Ausgangsleistung...

late 1910s-1920s - National Electronics Museum - DSC00106.JPG English: Late Audion (triode) vacuum tube, made by Lee De Forest, who invented the Audion...

dutube à vide audion , Lee De Forest , vers 1914. L'audion, la première triode , fut le premier tube électronique capable d' amplifier . Bien qu'inventé...

DescriptionSRV355; WF 1962.jpg Deutsch: Verdampfungsgekühlte Sendetriode SRV 355 - Ausgangsleistung 75kW (30MHz) Originalbeschreibung: Gesamtansicht der...

Empfaenger mit Verstärkerroehre-1.jpg English: Simple detector radio employing the 3NF vacuum tube. The 3NF contained a triode and associated resistors and...

voice 36 km (24 mi) from Berlin to Nauen, Germany. It used a mercury vapor triode vacuum tube (large tube visible) developed beginning in 1906 (approximately...

Forest's 500 watt transmitter using two of his new high power "Oscillion" triode vacuum tubes (visible center) at a plate potential of 1500 volts. In the...

DescriptionSendetriode 120kW siedegekühlt.JPG Deutsch: Siedegekühlte Sendetriode Type Siemens RS826 für Kurzwelle mit entfernten Gehäuse Leistung: 120 kW...

DescriptionTeslaprod.jpg English: electronic parts made by TESLA; transistors manufactured Feb 1986 (date code U2) and Mar 1989 (date code X3) Deutsch:...

jpg English: A vacuum tube RF final amplifier for a radiotelegraphy shortwave amateur radio transmitter from 1938. It uses two T200 or HF300 triode tubes...

in receivers built by the Marconi Co. until about 1920, when the Audion (triode) replaced it. Date July 1943 Source Retrieved December 30, 2015 from Gerald...

DescriptionEC84; WF 1957.jpg Deutsch: Empfängerröhre EC 84 Originalbeschreibung: Empfängerröhre EC84 mit Maßstab zum Größenvergleich. Besteller: Schmidt...

DescriptionSRL355; WF 1961.jpg English: Luftgekühlte Sendetriode SRL 355 bis 100MHz - Ausgangsleistug 25kW (Radio und Fernsehen 5/1955, S. 134) Originalbeschreibung:...

DescriptionSRL353; WF 1960.jpg Deutsch: Luftgekühlte UKW-Sendetriode SRL 353 bis 220MHz - Ausgangsleistug 12kW (88MHz) Originalbeschreibung: Senderöhre...

DescriptionPhilips Miniwatt EC90.JPG English: Philips Miniwatt EC90 vacuum tube Date 15 November 2012, 00:05:07 Source Own work Author Olli Niemitalo...

DescriptionVacuum electronic device 1.jpg Русский: Вакуумный электронный прибор. Экспонат политехнического музея. Москва. English: Vacuum electronic device...

English: Vacuum tube widely used in the 1960s. Possibly 12AX7/ECC83 (double triode). Labelled "1969" with a General Electric dot code below. Date 13 July 2005...

DescriptionHitachi 12BH7A.JPG English: Hitachi 12BH7A vacuum tube Date 14 November 2012, 23:50:38 Source Own work Author Olli Niemitalo...

DescriptionHT301; WF 1973; 6S5D.jpg Deutsch: UHF-Scheibentrioden HT 301 (Werk für Fernsehelektronik; auch als EC560 bezeichnet) und 6S5D (Sowjetunion)...

DescriptionHeadphone amp 6922.jpg English: A Musical Fidelity X-Cans headphone amp using two Philips JAN 6922 vacuum tubes Source Own work Author Jud...

DescriptionKurzwellensendeanlage Wertachtal (28).jpg Deutsch: Kurzwellensendeanlage Wertachtal - Rückbau im April 2015, Russische Senderröhre GI-9B (ГИ-19Б)...

DescriptionHT321; WF 1965.jpg Deutsch: Luftgekühlte UHF-Leistungstriode - maximale Frequenz 3,75GHz, Ausgangsleistung 40W (1,666GHz), 15W (3,3GHz) Originalbeschreibung:...

DescriptionSRL355; WF 1957.jpg Deutsch: Luftgekühlte Sendetriode SRL 355 bis 100MHz - Ausgangsleistug 25kW (Radio und Fernsehen 5/1955, S. 134) Originalbeschreibung:...

DescriptionSRW359; WF 1960.jpg Deutsch: Wassergekühlte Sendetriode SRW 359 Originalbeschreibung: Senderöhre SRW 359. Besteller: Junge, Abteilung: TER1...

DescriptionSRS362; WF 1960.jpg Deutsch: Strahlungsgekühlte Sendetriode SRS 362 bis 100MHz - Ausgangsleistung 1050W (100MHz) Originalbeschreibung: Senderöhre...

high voltage to the patient's body. On the right are some of the first triode W:vacuum tubes used in shortwave diathermy units that replaced the longwave...

DescriptionSRS361; WF 1962.jpg Deutsch: Strahlungsgekühlte Sendetriode SRS 361 - Ausgangsleistung 410W (100MHz) Originalbeschreibung: Gesamtansicht der...

DescriptionSRL W314; WF 1962.jpg Deutsch: Luft- oder wassergekühlte Sendetriode SRL/W 314 bis 30MHz - Ausgangsleistung 13kW (luftgekühlt), 28kW (wassergekühlt)...

DescriptionKurzwellensendeanlage Wertachtal (29).jpg Deutsch: Kurzwellensendeanlage Wertachtal - Rückbau im April 2015, Russische Senderröhre GI-9B (ГИ-19Б)...

had only been in use for about 6 years, since World War 1 when amplifying triode vacuum tubes were developed, and they were still somewhat of a novelty....

companies used to amplify telephone signals before the adoption of the Audion (triode) vacuum tube in 1913, and is notable chiefly as an amplifier tube that predated...

DescriptionSRL364; WF 1961.jpg Deutsch: Luftgekühlte UKW-Sendetriode SRL 364 bis 220MHz - Ausgangsleistug 14kW (175MHz) Originalbeschreibung: Senderöhren-SRL364...

DescriptionTW501D.jpg 日本語: 水冷3極管 TW501D 1950年日本電気株式会社製 東京工業大学博物館・百年記念館（2階：電気〜光/通信の先端研究史）所蔵 Date 21 March 2016, 14:19:22 Source Own work Author Yoit...

DescriptionSRL351; WF 1960.jpg Deutsch: Luftgekühlte UKW-Sendetriode bis 300MHz - Ausgangsleistug 1,2kW (88MHz) Originalbeschreibung: Senderöhre SRW351"WF"...

DescriptionSRW354; WF 1957.jpg Deutsch: Wassergekühlte UKW-Sendetriode SRW 354 bis 220MHz - Ausgangsleistung 20kW Originalbeschreibung: Senderöhre SRW354...