How to Build a 1W Long Range FM Transmitter Circuit Diagram. This is a simple1W Long Range FM Transmitter Circuit Diagram. This is a long range, very stable, harmonic free, FM transmitter circuit which can
be used for FM frequencies between 88 and 108 MHz. With good antenna
transmitter can cover 5km range.
1W Long Range FM Transmitter Circuit Diagram
It has a very stable oscillator because
it uses LM7809 voltage regulator which is a 9V stabilized power supply
for T1 transistor. Frequency adjustment is achieved by using the 10K
linear potentiometer. The output power of this long range RF transmitter
is around 1W but can be higher if you use transistors like KT920A,
BLX65, BLY81, 2N3553, 2SC1970 or 2SC1971.
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