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Circuit diagrams for radio amateurs
Antenna
Shortwave antenna
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Solar-Powered High Efficiency Battery Charger
Power supplies
Display #
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All
Articles
Title
Hits
Low Cost Battery Condition Indicator
455
Low Cost Universal Battery Charger Schematic
517
Low Forward-Drop Rectifier
495
Low Power 12V Transformerless Power Supply
487
Low Voltage Alarm
466
Low Voltage Step-Down Converter
480
Low-Cost Dual Power Supply
453
Low-Drop 5V Regulator
461
Low-Loss Step Down Converter
486
Low-Power Car/Bike USB Charger
809
Low-power switching power supply
538
Low-power switching power supply, 220/9-10.5 volts 45 milliamps
629
Low-Power Voltage Reference
428
Low-Voltage Cutout For 12V SLA Batteries
382
Mains Frequency Monitor
478
Mains Manager
535
Mains Pulser
441
Mains Slave Switcher
619
Mains Slave Switcher II
582
Mains Voltage Monitor
513
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Связанные материалы
Three lock phone
Three options improvised Anti-ANI
Telephone amplifier with inductive sensor
Telephone microprocessor switch 1x5
Telephone informant