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 ...

I love all about electronics, circuit diagrams and crazy projects that can help us achieve almost everything our mind can conceive. I created this website and I want to invite you to participate in ...

In the first three installments of this series, we discussed whether or not an old transmitter was even worth fixing, followed by some techniques I ve used to repair high-voltage power supplies, ...

Pulse Width Modulation (PWM) or Pulse Duration Modulation (PDM) is a technique of converting analog signals into rectangular waveforms. The width of the waveform varies in proportion with the ...

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