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Power supplies and high voltage - list of circuit diagrams

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LM317 Regulator Circuit circuit diagram
Circuit has many uses and the voltage can easily be adjusted by the use of a potentiometer. The voltage regulator is an LM317T, and should accept up to about 14 volts without problems

author: Matthew Hewson
visits: 583
Universal DC-DC Convertor circuit diagram
This circuit will generate a smaller DC output voltage from a larger DC input voltage

author: Andy Collinson
visits: 576
Logic PSU with Overvoltage Protection circuit diagram
A simple 5 Volt regulated PSU featuring overvoltage protection

author: Andy Collinson
visits: 566
Variable Power Supply Using Fixed Regulator circuit diagram
This is a similar power supply that I used to power my FM Transmitter

author: David Kwaku Celestin - Ghana, West Africa
visits: 554
Small Variable Power Supply circuit diagram
This is a simple but reliable device based one of the oldest integrated voltage regulators of them all - the LM723

author: Miroslav Adzic - Serbia
visits: 543
Overvoltage Protection for the LM317 circuit diagram
This is an add-on Over Voltage Circuit for the LM317 Regulator Circuit submitted by Matthew Hewson

author: Adam
visits: 519
Universal PSU circuit diagram
A Universal Power supply based on the L200 regulator

author: Volker Jeschkeit
visits: 495
Supply Voltage Indicator circuit diagram
A novel supply voltage monitor which uses a LED to show the status of a power supply

author: Miroslav Adzic - Serbia
visits: 491
Variable Voltage Regulation circuit diagram
Simple Variable Voltage Regulation Circuit

author: Ron J
visits: 439
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