Radio circuit diagrams electronics projects

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scheme circuite electronice

Radio circuit diagrams electronics projects for radio transmitter, radio receiver circuit, rf amplifiers, rf boosters and some other related RF circuits like: fm antenna booster, microwave transmitter and wireless modules.

CB transmitter in 27MHz narrow band

A CB transmitter in 27MHz bandwidth can be built using this electronic scheme.

Circuit Diagram: 
CB transmitter circuit diagram using MC2833

Radio remote receiver circuit diagram

This radio remote receiver is a super reaction with RF amplifier, T1, and works in UHF-FM band.
Antenna signal is applied on inductance to the BNC jack input, K1. The input is tuned with C4.

Circuit Diagram: 
Radio remote receiver circuit diagram

Radio remote transmitter circuit diagram

This radio remote transmitter circuit works in UHF-FM radio band and can be used for shareholders different systems like garage doors, alarm systems, etc..

Circuit Diagram: 
Radio remote transmitter circuit diagram