RF amplifier circuit diagram


Posted on Feb 6, 2014

By making this RF amplifier small power transmitters of 200 mW, can be transformed into a power transmitters reasonable, ranging between 2 and 3 W. The circuit is very simple. Network output filter suppresses noise by at least 55 dB. Amplifier is suitable for almost all types of transmissions, because of the possibility of adjusting the drain curr


RF amplifier circuit diagram
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ent of FET`s by P1. For linear applications (AM and BLU), drain current must be adjusted to 20 mA. If is used for FM-CW, P1 will be adjusted so that no current will not flow through the drain rest. For this case, the idle current is 200 mA and between 300 mA.




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