The following schematic shows the Simple FM Signal Booster Circuit Diagram. This circuit design utilizing a common-emitter tuned RF preamplifier wired round VHF/UHF transistor 2SC2570. You can adjust input/output trimmers (VC1/VC2) for maximum gain. The input coil L1 consists of four turns of 20SWG enameled copper wire over 5mm diameter former.
FM Signal Booster Circuit Parts List:
| C1 __ 5.6P C2 __ 5.6P C3 __ 1n C4 __ 10P C5 __ 10P C6 __ 0.1u L1 __ (3+1) T |
R1 __ 27K R2 __ 270Ohm R3 __ 1K VC1 __ 22P trimmer VC2 __ 22P trimmer T1 __ C2570 |
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