A simple stereo tv decoder circuit build with MC1310P. Transistor Q1 is an audio amplifier and U1 is used as a 31.5KHz subcarrier which is similar to 38KHz FM MPX. Pilot frequency is 15.734KHz. Stereo ...

Connect the components as shown in the Simple FM transmitter circuit below. This is how this simple FM transmitter circuit looks on breadboard . The audio output signal from the microphone is usually ...