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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
Power supplies
Power supplies
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Articles
Title
Hits
0-30V Stabilized Variable Power Supply with Current Control
3197
0-50V 2A Bench power supply
1317
0-60V / 0-2A Variable Power Supply
1785
1 – 9V Variable Desktop Power Supply
1005
1.5 - 35 Volt DC Regulated Power Supply
1218
1.5V and 9V Battery Tester
1078
10 Amp 13.8 Volt Power Supply
2228
10-kilowatt pulsed power source for concert amplifier
9682
100V Regulators
1172
100W Inverter 12VDC to 220VAC
1326
100W Inverter Circuit Schematic
1091
12 Volt 30 Amp PSU
2048
12 Volt Battery Guardian Circuit
1286
12 Volt Car Battery Charger Circuit Schematic
1816
12 volts from the USB port
1397
120-volt power supply is 220 volts
1226
12V Car Battery Charger
1690
12V Flourescent Lamp Inverter
1261
12V Glow Plug Converter
1114
12V Lead Acid Battery Desulphator
1479
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