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VSWR Sensitivity to a Power Amplifier - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


Michael
Post subject: VSWR Sensitivity to a Power Amplifier
Unread postPosted: Fri Jun 24, 2005 4:02 pm

Good day.

The power amplifier is using 2 HFETs (WJ FP31QF). The input signal is split using a 3 dB Quadrature Hybrid (Anaren 1E1304-3), fed to the transistors and then combined with another 3 dB Quadrature Hybrid (same hybrid). My question is what effect would a mismatch have on the transistors? Would they see the mismatch or would there be some isolation?

Thank you for your time and help
Michael



Posted  11/12/2012

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