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Circuit diagrams for radio amateurs
Antenna
Shortwave antenna
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Nodes of radio engineering
Generators, heterodynes
Quartz filters
Modulators
The signal limiter, compressor
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Filters and matching devices
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Main
Nodes of radio engineering
Quartz filters
Quartz filters
Display #
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All
Title
Hits
A good crystal filter for CW and AM
592
A simple crystal filter
531
Configuring quartz filters
545
Crystal filter for SSB
677
Crystal filter with switchable bandwidth
344
CW-SSB filter with electronic switching
428
Experiments with crystal filters
638
Monolithic crystal filter
308
Two-crystal filter for SSB
361
Menu
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
Service manuals
Service manuals
