Schematic Diagrams

Useful schematic and wiring diagrams. ✔ ✔ Enjoy electronic circuits, let your idea comes to hardware

High current low voltage power supply

Power Supply with PCB

The power supply circuit is what importance for various electronic projects. My website have big size grow up every day, Some time you may look for difficult the circuit. So I collect circuit of interest especially with the PCB circuit and easy to build and low price for beginner and all electronic user is happy […]

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High current 12V 30A,25A,20A,15A ham radio power supply

Essential for those who want to use the radio transmitters from a car to use in your home is you need a ham radio power supply DC-12V or DC-13.8V with enough power out of 5A to 30A. According to size of the a transmitter. I highly recommend this high-current power supply circuit. Because good performance, […]

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1.2V-25V at 3Amp Adjustable Regulators using LM350T

This is a 3A adjustable regulators using IC-LM350T that look like In My first Variable DC Power Supply, but this high current higher than 3-Amp. Therefore they cause you can supply more any load circuit. Which we can buy this IC at many store but expensive than LM317. How does it works In Figure 1 […]

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10A DC Supply FIX Regulated by IC 78XX and MJ15004

Today a friend of me visits at a house. He leads old equipment come to give very plentiful and tell beg for DC power supply 10A circuit. That be simple please , when I sees the equipment that him has had already. Then take this circuit see use 78XX integrated circuits. Have many the number […]

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Easy 5V 10A switching regulator by L4970A

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Amplifier power supply using High Current Transformer

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High Current Variable Voltage Regulator 2-36V 10A

Yesterday I no enhance the circuit in my blog. Today lead High Current power supply 10A and Can Adjustable Voltage or Variable Voltage Regulator 2V to 36V. By the prominent point of this circuit. Be there is the a little equipment and is simple have VR1 for control Volt output. For the equipment must use […]

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High power supply regulater 0-30V 20A by LM338

High power DC regulator 4-20 volts 20 amps by LM338 This is High current and Adjustable Volt 0 to 30V 20A. It easy circuit and nice circuit, Because use IC LM338 and IC 741. Volt Output adj by VR1-1K. IC LM338 to hold heat-sink. Transformer is 20A up. I find this circuit, for an electronic […]

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1-20V 10A adjustable dc power supply by LM338

1.2V-20V 10A adjustable dc power supply by LM338 A friend of me side radio amateur office. He wants Variable Regulate Power Supply high current about 10A go up. I then advise this circuit , because build easy. Use IC LM338 and IC LM107 again normal IC LM338 have current about 5A then must use 2 […]

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12V 20Amp Power Supply by IC 7912 + 2N3055

Here is 12 volt power supply 20A , USE LM7912 and 2N3055 . It easy circuit , Low cost. see detail more in image. This power supply is the result of the use of components at hand (junk box). The core of the project is a number of 2N3055 transistors and a transformer with a […]

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