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FM Transmitters: The Simplest FM Transmitters

Here's some of the simplest FM transmitters

If you want to build a transmitter quickly, with as few electronic components as possible, here some recommendations for simple FM transmitters.

Photo: FM Transmitter and FM Radio Transmitters, 3 Volt FM Transmitter FM Transmitter and FM Radio Transmitters, 3 Volt FM Transmitter
The most powerful circuit we've seen that operates on such low voltage (just two AA cells). A range of 100 meters can be expected and, given a good antenna and FM receiver, 500 meters can be expected. An external power supply can be used up to 9 volts. Tr
1 Watt PLL FM Transmitter Circuit by Veronica Kits
1 Comment - in FM Transmitters
The Veronica 1 Watt PLL FM Transmitter is a pretty decent broadcast PLL exciter or transmitter that can be used alone or with an RF power amplifier for high power radio broadcast.
Very Basic and Simple 1.5V FM Transmitter - Rebroadcast Sound
1 Comment - in FM Transmitters
Dick Cappel's page illustrates an extremely basic small FM transmitter that rebroadcasts sounds using a 1.5 Volt battery. very simple circuit.
Small / Compact 1-Chip BA1404 3V FM Stereo Transmitter
0 Comments - in FM Transmitters
Very small Hi-Fi Stereo FM Transmitter circuit that uses only 1 chip (BA-1404), and is very easy to construct. Operates from 1.5-3 Volts DC (just 1 or 2 AA batteries).
150-300 milliWatt 88-108MHz FM Transmitter by Harry Lythall
1 Comment - in FM Transmitters
Harry Lythall shares his v7b FM transmitter circuit design. The transmitter outputs 150-300 milliWatts of RF power in the 88-108 MHz band.
Photo: * USB PLL FM Stereo Transmitter (FCC Approved) * USB PLL FM Stereo Transmitter (FCC Approved)
An excellent Stereo FM Transmitter which operates through the USB port of essentially any computer. FCC Compliant!
Photo: High Quality 9 Volt FM Transmitter Kit High Quality 9 Volt FM Transmitter Kit
The most powerful circuit we've seen that operates on such low voltage (just two AA cells). A range of 100 meters can be expected and, given a good antenna and FM receiver, 500 meters can be expected. An external power supply can be used up to 9 volts. Tr
4 Transistor 500mW FM Transmitter Circuit
0 Comments - in FM Transmitters
Simple 4-transistor transmitter electronic circuit that produces a Frequency Modulated (FM) signal at approximately 100MHz.
Portable 1 Watt PLL FM Transmitter (88-108 MHz) Circuit
5 Comments - in FM Transmitters
Schematics / circuit diagrams for a PLL 1 Watt FM radio transmitter that is enclosed in a casing. Oscillator, PLL circuits.
Photo: High Power FM Transmitter High Power FM Transmitter
A powerful little circuit with surprisingly good audio quality. Can transmit up to 1/2 mile in open spaces. This is one of the most powerful FM transmitters that you can legally purchase. An electret microphone is used to add sensitivity. The circuit come
Photo: FM Transmitter kit with microphone (Wireless Mic) FM Transmitter kit with microphone (Wireless Mic)
FM microphone kit. Build an actual FM station that transmits over 100ft. Learn about microphones, RF oscillators, and how FM radio works.
Photo: FM Stereo Transmitter FM Stereo Transmitter
This is a circuit that will broadcast CD quality sound to you FM Walkman, home stereo or automobile radio. It produces a strong signal that will generally cover the average home and yard. It is stable enough to use even with a digitally tuned FM receivers