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Radio Circuits and Schematics
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C=Circuit Schematics
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Transmitters
1.5V Battery operated FM rebroadcast transmitter
[C]
AC mains powered FM transmitter with pre-emphasis, audio level control, and tuning control
[C]
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]
[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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Useful Links
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R=Resource
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Electronics Tutorials, Circuits and Resources
[R]
Electricity Basics
[R]
Electrical Safety
[R]
[R]
Electronics Projects Books
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