Good sound FM transmitter

Good FM transmitter

Hi friends and electronics lovers,  Here is a simple good sounding FM transmitter circuit ( cct). The inductor is gauge 22 or 24 wound on 3mm inches mail about 7turns
NOTE:
you can replace the 2N2222 with Bc547 or c1815. The integrated circuit ( IC) is an audio amplifier which help the generator in of the tx to generate a good frequency modulation output.

How to test after building it
1. Put your radio ON
2. Put your transmitter ON
3.Bring them closer and tune your radio receiver to search station. (91.0- 71-5)

4. If you are having any interference or did not received the transmitter Chanel  you now adjust the fix inductor a little bit, as you are adjusting the inductor the frequency is move from 91.0 /71-5 to another freq.

CIRCUIT DIAGRAM :

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