Circuit for ~200m range fm transmitter.
Note:
1. Replace microphone in place of current source used here.
2. Both Transisters are 2N3904.
3. Diode Used 1N4148.
4. Capacitor(3pF) connected parallel to 100nF is varicap(3-10pF).
5. The Earth Symbol connected at the node of varicap(3-10pF) and capacitor(4.7pF) is the antenna.
