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1M ~ 50MHZ 1W broadband power amplifier circuit diagram

2015-01-04 23:39  
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1M ~ 50MHZ 1W broadband power amplifier circuit diagram
The picture shows the 1W wide-broadband power amplifier with frequency in 1 ~ 50MHz and using 2SC1970; Input and output coils use broadband transformer composed of toroidal winding for impedance conversion. 2SC1970 is the 170MHz power transistor, so it can be used for the VHF band broadband amplifier. In the circuit , the coupling capacitor (CoupIingCapacitor) and Bypass Capacitor are connected with 2 to 3 0.01μF ceramic capacitor in parallel, the most important thingis to reduce the impedance (Impedance), at the same time, the current flows the channel is also wider.