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Basic UPS Power Supply
This circuit is a simple form of the commercial UPS, the circuit provides a constant regulated 5 Volt output and an unregulated 12 Volt supply. In the event of electrical supply line failure the battery takes over, with no spikes on the regulated sup
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VARIABLE REGULATED POWER SUPPLY
A variable regulated power supply, also called a variable bench power supply, is one where you can continuously adjust the output voltage to you requirements. Varying the output of the power supply is the recommended way to test a project after havin
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