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FM Booster Circuit Diagrams & Schematics

FM Transmitter & Boosters

Broadcast on the FM band and boost your signal with this collection of FM transmitters and FM signal booster circuits.

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
Photo: PCI Max 2004 - FM Transmitter (PCI Slot FM Transmitter) PCI Max 2004 - FM Transmitter (PCI Slot FM Transmitter)
This PCI-Slot Stereo FM Transmitter broadcasts MP3's and steams on the FM band from your PC. It is controlled via software and will broadcast anywhere on the FM band. Plugs into PCI - FM Transmitter
Photo: PCI FM Transmitter - PCI Max 2004 - FM Transmitter via. PCI Slot PCI FM Transmitter - PCI Max 2004 - FM Transmitter via. PCI Slot
Our PCI-Max 2004 is a Stereo PCI FM Transmitter that broadcasts MP3's and steams on FM from your PC (PCI slot). It is controlled via software and will broadcast anywhere on the FM band.
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
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: Sound Activated FM Transmitter Sound Activated FM Transmitter
Sound turns on the transmitter, which operates in the FM radio band. A neat way to catch a thief in another room or garage. The volume of sound needed to trigger the circuit is adjustable. The two stage transmitter has good range and the circuit powers do
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: AM/FM Radio Kit and Training Course AM/FM Radio Kit and Training Course
Training course of 56 pages is divided into 9 lessons; Audio Amplifier, AM Detector, AM IF, AM Amplifier, Amplifier, AM Mixer & Oscillator, FM Detector, 1st FM IF, 2nd FM IF, FM RF Stages. Superheterodyne receiver of standard AM (amplitude modulated) and
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.
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
Photo: 40 Watt FM Power Amplifier (1 Watt Input) 40 Watt FM Power Amplifier (1 Watt Input)
This 40 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 40 Watts.
Photo: 300 Watt FM Power Amplifier (1 Watt Input) 300 Watt FM Power Amplifier (1 Watt Input)
This 300 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 300 Watts.
Photo: 20 Watt FM Power Amplifier (1 Watt Input) 20 Watt FM Power Amplifier (1 Watt Input)
This 20 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 20 Watts.
Photo: 150 Watt FM Power Amplifier (1 Watt Input) 150 Watt FM Power Amplifier (1 Watt Input)
This 150 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 150 Watts.
5 Watt PLL FM Transmitter (Early Dutch Radio JukeBox)
1 Comment - in FM Transmitters
Interesting, hand-drawn schematic for a PLL FM Stereo Transmitter, with approximately 5 Watts RF output power.
40 Watts Wideband 88-108 MHz FM Amplifier
5 Comments - in RF Amplifiers
Circuit diagram and construction notes for a very nice 40 Watt FM Amplifier, with wide-band operational characteristics. Includes low pass filter design. Very good notes.
Photo: CTE TX500 Plus - Professional 500 Watt FM Transmitter CTE TX500 Plus - Professional 500 Watt FM Transmitter
This professional FM Transmitter offers a whopping 500 Watts output power in the 88 - 108 MHz band. The transmitter itself is digitally controlled and is extremely user friendly.
Photo: CTE TX1000 Plus - Professional 1000 Watt (1 kiloWatt) FM Transmitter CTE TX1000 Plus - Professional 1000 Watt (1 kiloWatt) FM Transmitter
This professional FM Transmitter offers an amazing 1000 watts RF output power in the 88 - 108 MHz band. The transmitter itself is digitally controlled and is extremely user friendly.
Photo: Decade MS-100S Hi-Fi FM Stereo Transmitter Decade MS-100S Hi-Fi FM Stereo Transmitter
This Decade MS-100S is a high quality low power Stereo FM transmitter which complies to FCC part 15 regulations.