An AM transmitter is simple enough, in this case an oscillator and buffer driving a class C power amplifier. The modulation is applied by a transistor in series with the power amp, driven from an ...

[GreatScott] does exactly this in the video after the break, building both a transmitter and receiver ... distinguish a voice over a standard commercial AM/FM receiver. The next attempt was ...

If there's one thing our readers love, it's radio history — especially if that history is combined with a healthy dose of ...