Posted on Thursday, May 15, 2014 • Category: FM Transmitters
This is a 1 Watt FM Transmitter amplifier with a good design that can be used to amplify a RF signal 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 transistor 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 an output power of 0.4W maximum. 8W PLL Stereo Transmitter with LCD 1.5V FM Broadcast Transmitter MC145151 PLL FM Transmitter BA1404 Transmitter with UPC1651RF Amplifier Simple FM Transmitter iPod FM Transmitter Mini FM Transmitter FM Transmitter Bug 2-5 Km Long Range FM Transmitter 1W 87-110MHz FM Transmitter with 2N3886 Amplifier
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