500 mw

  1. guclusat

    500 mW VHF Video Transmitter

    Description Q1 (BC548C) is a modulated oscillator operating in the Commercial VHF Television Band and Q2 (BC548C or 2N4427) is an VHF RF Amplifier. Tuned circuits consist of C4, L1, C8, L3, and the two 15 pF trimmer capacitors across the collectors and emitters of both transistors. Other...