Radio Circuits & Schematics

Radio (Transmitters, Receivers) Circuits
For School and Hobby

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C = Circuit / Schematic

Transmitters

A One Transistor FM Radio C

2 Transistor FM Transmitter C

4 Transistor Transmitter C

FM Transmitter with Opamp C

FM Stereo Transmitter (BA1404) C

Long range FM transmitter C

FM Transmitter (Colpitts Oscillator) C

FM Transmitter (hartley oscillator) C

Powerful AM transmitter C

AM transmitter C

Surveillance Transmitter Detector C

VHF band TV transmitter C

Receivers

The Modern Armstrong Regenerative Receiver C

SW Regenereative Receiver C

Bipolar Regenerative Receiver C

Band 2 Preamplifier C

ZN414 Portable Receiver C

SW Receiver Using ZN414 C

R5000 Receiver Computer Interface C

AM Receiver (three transistor, regenerative receiver) C

40 meter Direct Conversion AM / SSB Receiver C

AM Receiver in two parts C C

FM receivers basics C C

A high-performance FM receiver for audio and digital applicatons C

Short Wave Receiver C

Antennas

Antenna Tuning Unit C

Medium Wave Active Antenna C

The ATL-3 Loop Antenna C

Q- Multiplying Loop Antenna C

Miscellany

Test a LF quartz crystal C

Automatic Repeater C

UHF TV Preamplifier C

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