S-Parameter Design Tool
Education
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
From the author of "Microwave Active Circuit Analysis and Design" : A free S-parameter design tool for RF and microwave engineers.
The S-Parameter Design Tool is an S-parameter analysis tool for RF and microwave engineers. Just enter your transistor's S-parameters, choose the device configuration and feedback termination (if any) and the app will compute stability factors, simultaneous conjugate match points, and maximum available gain — all displayed on an interactive Smith chart.
Features:
• S-parameter entry in magnitude/angle, real/imaginary, or dB/angle format
• Common-emitter, common-base, and common-collector configuration conversion
• Series and shunt feedback analysis
• Stability analysis: Rollett K-factor, µ1/µ2, stability circles
• Smith chart and polar plot display
• Results export as CSV
This is a companion App to the website tool: https://www.clivepoole.com/s-parameter-design-tool/
All based on our Book: “Microwave Active Circuit Analysis and Design” by C. Poole and I Darwazeh, Elsevier 2015, ISBN 13: 9780124078239.
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The developer, Clive Poole, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
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Information
- Seller
- Clive Poole
- Size
- 590.8 KB
- Category
- Education
- Compatibility
Requires iOS 26.5 or later.
- iPhone
Requires iOS 26.5 or later. - Mac
Requires macOS 26.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.5 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Clive Poole 2026