Member Blog Posts: fm
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Regenerative FM Receiver Using One Transistor
Posted Feb 08, 2012 By Circuit ProjectsThe VHF super regenerative receiver has been trimmed down to a single transistor without compromising its tremendous sensitivity and…
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FM Transmitter with Wireless Feature
Posted Jan 27, 2012 By Circuit ProjectsThe wireless FM transmitter project enables a user to speak into the transmitter using a microphone where the voice can be heard on any FM…
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Voice Transmitter Via FM Band 2 VHF by Hartley Oscillator
Posted Jan 25, 2012 By Circuit ProjectsThe circuit was designed to operate a frequency modulation voice transmitter over the FM band 2 frequency range of VHF.
- Transmitter –…
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Miniature FM Transmitter with High Sensitivity
Posted Jan 25, 2012 By Circuit ProjectsThe project produces a sensitive FM transmitter that can transmit the signal up to 45 yards and can pick up the signal up to 100 yards from…
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VHF Center Frequency FM Transmitter
Posted Jan 25, 2012 By Circuit ProjectsThe circuit was designed to function on the middle of the FM band, 98 MHz, since the FM frequency ranges from 88 MHz to 108 MHz.
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88-108 MHz VHF FM Band Preamplifier by 2N3819 FETs
Posted Jan 25, 2012 By Circuit ProjectsThis circuit is a VHF (Very High Frequency) preamplifier for the band two spectrum tuning approx. 88 – 108 MHz.
The 2N3819 FETs are…
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FM Receiver with a Single Transistor
Posted Jan 25, 2012 By Circuit ProjectsThis project contains a very unique one transistor FM receiver accompanied by homemade air-core coils and a homemade fixed capacitor.
The…
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FM Transmitter with Wireless Feature
Posted Jan 24, 2012 By Circuit ProjectsThe wireless FM transmitter project enables a user to speak into the transmitter using a microphone where the voice can be heard on any FM…
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High Power FM Wireless Microphone
Posted Jan 21, 2012 By Circuit ProjectsThis one is a high power FM wireless microphone that provides very good frequency stability in about 1km range and very good microphone…
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FM Transmitter Circuit Providing 500mW Output
Posted Jan 17, 2012 By Circuit ProjectsThe circuit was designed to produce a 500mW output power transmitter whose signal modulated by FM using four transistors.
- Transmitter…
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3V FM Transmitter for Short Distance - 88MHz to 108MHz
Posted Jan 17, 2012 By Circuit ProjectsThe important part of the circuit is formed of the Colpitts type oscillator. C3,C4,C5,C6,CD1-CD2 and L1 determines the frequency….
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FM Crystal Radios
Posted Jan 17, 2012 By Circuit ProjectsThe possibility of producing FM crystal radio is shown in this project which can produce a sound with high fidelity that is as good as or…
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Transmitter Detector for FM Bug Surveillance
Posted Jan 17, 2012 By Circuit ProjectsThe circuit was constructed using a few components that is powered by a 9 V battery for sensing the presence of bugs transmitting within…
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