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Radio devices - list of circuit diagrams
This is a nice performer and will tune from the 22 meter international broadcasting band down to the 11 meter band.
author: Ramón Vargas visits: 22 
A circuit that has been found to work at full satisfaction in the frequency range from 10 kHz to 500 kHz
author: Ramon Vargas - Lima, Peru visits: 22 
A small FM voice transmitter for Band 2 VHF
author: David Sayles visits: 21 
A radio frequency amplifier to boost SW reception. Frequency range approximately 5 to 20 MHz
author: Andy Collinson visits: 20 
This project has few components, can be made on veroboard and powered from a 9 volt battery for portability
author: Andy Collinson visits: 20 
This Field Strength Meter is simple and also quite sensitive. It uses an ordinary digital voltmeter to measure RF signal strength up to a few hundred MHz
author: Andy Collinson visits: 20 
This circuit is designed to work at UHF frequencies in the range 450-800MHz. It has a gain of around 10dB and is suitable for boosting weak TV signals
author: visits: 19 
This is a wide band signal strength meter circuit which responds to small changes in RF energy, designed to be used for the VHF spectrum and will respond to AM or FM modulation or just a plain carrier wave.
author: visits: 19 |
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