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Circuit diagrams for radio amateurs
Antenna
Shortwave antenna
Antenna amplifiers
Television aerials
VHF antenna
Audio
Auto electronics
Batteries, chargers
Electric car scheme
Electronic devices
Electronic fuel injection
Ignition system
Security devices and alarm
Speedometers and tachometers
Power supplies
Radio transmitters
Telefonie
Consumer electronics
Bells and audio simulators
Clocks, timers, relays, load switches
House, garden land, hobby
Indicators, detectors
Metal detectors
Power controllers, thermometers, heat
Other
Field strength detector
Medicine
Lighting
Wireless microphones
Television and video
Nodes of radio engineering
Generators, heterodynes
Quartz filters
Modulators
The signal limiter, compressor
Mixers, frequency converters
Filters and matching devices
Other
Main
Nodes of radio engineering
Filters and matching devices
Filters and matching devices
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Articles
Title
Hits
A simplified calculation of the P-loop
826
Active filters field effect transistors
1279
Active low pass filter
931
Antenna filter for VHF radio
974
Attenuator transmitter power
776
Band bandpass filter
884
Band pass filters
1246
Band pass filters for HF bands
877
Bandpass filter on the CMOS inverters
1022
Baud Rate Generator
805
Calculation of LC filters
895
Calculation of microwave stripline filters
950
CC filter with the Telegraph
1032
Comparator Based Crystal Oscillator
620
Converter with UHF surfactants filter for narrow-band AM/FM
868
Crystal filter of the transceiver
12917
Filter KCC - squelch
901
Filter to power the electric motor
789
Harmonic filters for KB and CB radios
827
Harmonization of EMF
872
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