Easy FM tracking transmitter project . The circuit designed by Tony van Roon, and here the FM tracking transmitter diagram: Components List: R1 = 10K C1 = 100uF/10V C2 = 10nF C3 = 4-40pF trimmer capacitor C4 = 4.7pF IC1 = LM3909 Q1 = 2N3904
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