Success story, making of my FM Transmitter.

I've tried to build (make) my own Fm transmitter from the very beginning of my boyhood but failed failed and failed. My first successful Fm transmitter was aired in 2001 when i was a student of class 12. After a long run of  4 years from class 9.

here i'll show you my recent 10 watt Fm transmitter testing circuit (battery powered exciter only due to security matter) and finally assembled cabinet (AC powered). 

 Transmitter after assambled

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Construction of Air Core Coil for FM transmitters

Just follow the steps as shown in the following pictures to make the air core coil for your Fm transmitter. 

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Simpliest 2 watt FM transmitter with PCB and details

 USE DIPOLE ANTENNA FOR MAXIMUM RANGE (COULD BE UP TO 10 KM IN GOOD WEATHER). TUNE BETWEEN 88-108 MHz WITH C5. BB-204 COULD BE REPLACED WITH CONVENTIONAL LED (BIG) WITH REVERSE BIAS (NO LIGHT GIVEN IN CORRECT POLARITY). 9V POWER FOR 2KM WITH GOOD SOUND QUALITY AND GRADUALLY UP TO 18V FOR 10 KM RANGE WITH POOR QUALITY OF SOUND.  BEST OF LUCK. 

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