Posted on Tuesday, April 14, 2020 • Category: FM Transmitters
This is 1 Watt FM amplifier with a good design that can be used to amplify RF signal of low power FM Transmitters in the 88 – 108 MHz band. It is very sensitive if you use good RF power amplifier transistors, trimmers and coils. It has a power amplification factor of 9 to 12 dB (9 to 15 times). At an input power of 0.1W the output will be 1W. You must choose T1 depending on applied voltage. If you have a 12V power supply then use transistors like: 2N4427, KT920A, KT934A, KT904, BLX65, 2SC1970, BLY87. At 18 to 24V power supply you must use transistors like: 2N3866, 2N3553, KT922A, BLY91, BLX92A. You may use 2N2219 at 12V but you will get maximum output power of 0.4W. 1 Watt FM Amplifier 7W FM Transmitter Simple FM Transmitter Bug Single Transistor VCO FM Transmitter Long Range FM Transmitter Circuit Wireless Microphone FM Transmitter Stereo FM Transmitter with BA1404 VHF Audio Video Transmitter 3V FM Transmitter for 88MHz to 108MHz Simple FM Transmitter
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