5W-150mhz-amplifier

  
This circuit utilizes the MRF123 TMOS power FET. The MRF134 is a very high gain FET that is potentially unstable at both VHF and UHF frequencies. Note that a 68-0 input loading resistor has been utilized to enhance stability.
5W-150mhz-amplifier - schematic

This amplifier has a gain of 14 dB and a drain efficiency of 55%.




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