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Circuit diagrams for radio amateurs
Antenna
Shortwave antenna
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Power supplies
The power supply of antenna amplifier
Power supplies
Display #
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All
Articles
Title
Hits
Triple Power Supply
525
Two power supplies for portable equipment
739
Two transformerless power supply, 220/1,4 volt 1 milliampere
881
Two voltages from a single source
515
Ultra Low Drop Linear Voltage Regulator
625
Ultra Low-Power 5V Regulator
499
Uninterruptible Power Supply with PIC17C43 Microcontroller
558
Universal instrument to check the SMPS
958
Universal power supply 2-12 volt 1 amp
561
Universal power supply low voltage
607
Universal power supply, 2-300 of 0.9 volts amps (2-22 volts 6 amps)
679
Universal power supply, 220/3-20 volt 500 watt
808
UPS For Cordless Telephones
453
USB Power Booster for PC / Laptop
473
USB Powered Mobile Phone Battery Charger
427
Using the transformer from the TV
751
Variable / Adjustable DC Power Supply 1.2V – 25V using LM338K
2159
Variable DC Power Supply
575
Variable PSU
499
Variant of the power supply of antenna amplifier
567
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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