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Circuit diagrams for radio amateurs
Antenna
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Articles
Title
Hits
Reversible circuitry in the transceiver
530
RF SPEECH processor
1390
Safe Oscillator For Watch Crystals
440
Scanning device
475
Scheme for MULTIVOX transceiver
504
Self-Powered Fast Battery Tester Schematic
455
Servo Tester Using A 4538
409
Simple Cat.5 Network Tester
721
Simple Logic Probe
470
Simple panoramic indicator
505
Stable high-frequency amplifier
523
Switchable Output Crystal Oscillator
406
The if amplifier based on the PBS
445
The input circuit of the transceiver
403
The manufacture of transformers
405
The use of helical resonators in Amateur VHF installations
468
The use of PIN diodes as elements of attenuation and switching
883
Three-State Continuity Tester
485
Thyristor Tester
486
Touch the manipulator of an electronic key
450
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