Tuesday 15 February 2011

Linear Amplifier used in 7MHz SSB Ham Radio Transceiver

 

The linear amplifier consists of 2N2222, SL100 and BD139. Heat sink should be provided for SL100 and BD139. All coils are wound on balun core. Some of the DC voltages measured are given below. These voltages are measured with out any input using digital multimeter.

Linear Amplifier used in 7MHz SSB Ham Radio Transceiver using 2N2222A, SL100B and BD139.

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