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Submission declined on 6 January 2026 by Theroadislong (talk). This draft's references do not show that the subject meets Wikipedia's criteria for inclusion. The draft requires multiple published secondary sources that: provide significant coverage: discuss the subject in detail, not just brief mentions or routine announcements; are reliable: from reputable outlets with editorial oversight; are independent: not connected to the subject, such as interviews, press releases, the subject's own website, or sponsored content. Please add references that meet all three of these criteria. If none exist, the subject is not yet suitable for Wikipedia. This draft reads like an advertisement. Wikipedia is an encyclopedia, not a platform for promotion or marketing. Drafts that are exclusively promotional may be deleted without notice. Wikipedia articles must be written neutrally in a formal, impersonal, and dispassionate way. They should not read like a blog post, advertisement, or fan page. Rewrite the draft to remove: promotional language: see Words to watch; personal commentary: opinions or direct addresses to the reader; informal language. Instead, only summarize in your own words a range of independent, reliable, published sources that discuss the subject. If you have a conflict of interest (e.g. you are the subject, an employee, or a relative) or are being paid to edit, you must disclose this to comply with Wikipedia's Terms of Use. Declined by Theroadislong 7 months ago.

QSPICE® is a SPICE-based analog and mixed-signal electronic circuit simulator developed by Mike Engelhardt, who previously authored LTspice. QSPICE is produced by Qorvo, a semiconductor manufacturer headquartered in North Carolina. The software is designed to provide circuit simulation capabilities for analog, power, and mixed-signal design applications. It is distributed without usage restrictions, including for use with components produced by companies other than Qorvo. The program includes an embedded component library containing models from Qorvo and other manufacturers.

Overview

SPICE (Simulation Program with Integrated Circuit Emphasis) originated in the early 1970s as a student project at the Electronics Research Laboratory of the University of California, Berkeley. SPICE1 was released in 1973 as an open-source analog electronic circuit simulator and became the foundation for numerous subsequent circuit simulation tools.

In 1999, Linear Technology (later acquired by Analog Devices) released LTspice, a free SPICE-based simulator developed by Mike Engelhardt. Although LTspice was widely adopted, its end-user license agreement restricted use with integrated circuits produced by other manufacturers.

Following his tenure at Linear Technology, Engelhardt worked as an independent consultant and proposed the development of a new circuit simulation platform to Qorvo. The resulting software, QSPICE, was designed to incorporate updated SPICE fundamentals, expanded modeling capabilities, and enhanced simulation and graphical performance.^[1] QSPICE supports mixed-signal simulation and is intended for use in analog and power electronics design workflows.^[2]

Features

QSPICE supports schematic capture and includes a built-in library of semiconductor device models. It is positioned as a general-purpose circuit simulation tool and does not restrict the use of third-party component models.^[3]

Industry Recognition

QSPICE has received recognition within the electronics industry. In 2023, it was named Design Tool and Development Software Product of the Year at The Elektra Awards.^{[4] [5]} In 2024, it received the Électrons d'Or Trophy from Electroniques magazine in the CAD / Measurement / Tools category, citing advances in circuit simulation performance and accuracy.^[6]