iPod FM Transmitter

  
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Building your own ipod FM radio transmitter. It works quite easy, there is a power switch on the bottom to turn it on and tune your radio and transmitter to the right frequency. For the antenna you can use a copper wire of 70 cm. The range of this FM transmitter is about 100 to 150 meters (500 feet). With R5 you can adjus
iPod FM Transmitter - schematic

t the input signal and with C6 you can tune your frequency. Transmitter is supplied by 9V battery. iPod FM Transmitter parts list: Transistor: T3. 2N2219a Capacitor: C3. 1 F/16 V C4, C5. 1 nF ker. C6 trimmer capacitor. 4-40 pF C7. 10 pF ker. Resistor: R5 Trimmer. 10 k © R6. 10 k © R7. 2, 7 k © R8. 1 k © Spool L1: Use a 10 cm long Silver wire. The diameter inside the spool should be 3 mm. 7 winds total Length of the spool should be 15 mm (f-g) The antenna is connected to the spool at 3mm from f a: + 9volt b: ground c: audio in Ground your audio input to b For the antenna you can use a copper wire (70 cm) With R5 you can adjust the input signal and with C6 you can tune your frequency.



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