FM Transmitter Tracker Circuit Electronic
Components List:
R1 = 10K
C1 = 100uF/10V
C2 = 10nF
C3 = 4-40pF trimmer capacitor
C4 = 4.7pF
IC1 = LM3909
Q1 = 2N3904 NPN transistor
LED1 = Red LED/or another color as you like
L1 = 0.1uH, 6 to 8 turns of 22 gauge hookup wire close wound around a 1/4″ diameter non conductive core, such as a pencil
Antenna = 10 to 12 inches of hookup wire