![]() The power supply relies upon two differential amplifiers made out of Transistors T1 to T6. But in this circuit, the differential amplifiers have a negative power supply rail at (-3V), which can pull the output down to exactly zero. Most simple power supplies cant get the output to come down to exactly 0V or 0A. To cater that I have designed an adjustable 50V / 5A power supply with a variable output from 0V to 50V and adjustable current limiting from 0A to 5A. Batteries, DC adapters can do fine job but as demand grows and project gets bigger a professional and adjustable power supply becomes a necessity. Out of all I would say power supply is most important since it powers up the projects. Every lab needs to be equipped with essential equipment. ![]()
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December 2022
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