5w 150mhz rf amplifier circuit


Posted on Feb 4, 2014

This is a 5W -150MHz RF amplifier circuit. It applies the MRF123 TMOSFET. The MRF123 is a very high gain FET which potentially unstable at both VHF and UHF frequencies, so the 68 Ohm input loading resistor has been used to enhance the stability. This RF amplifier has a gain of 14 dB and a drain effeciency of 55%.


5w 150mhz rf amplifier circuit
Click here to download the full size of the above Circuit.




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