Tag Archives: FM Transmitter

Basically, this circuit is a radio frequency (RF) oscillator that operates around 100 MHz. The audio which is picked up and amplified by the electret microphone is fed into the audio amplifier stage built around the first transistor. Output from … Continue reading →

The FM transmitter circuit here works in the broadcast band 88 to 108MHz, and can be used to broadcast audio signals for remote listening.  The output power is around -21dBm, and the circuit operates with 3V power supply. Here is … Continue reading →