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What is LM317 Variable Power Supply Circuit about?
This document describes the construction of a variable DC power supply circuit using an LM317 adjustable voltage regulator IC. The circuit can supply an output voltage of 1.2V to 30V at up to 1A of current. It uses a transformer, rectifier diode bridge, and filtering capacitors to produce an unregulated DC voltage, then regulates this with the LM317 IC. Additional components like heat sinks, protection diodes, and potentiometers are included to properly operate the regulator IC and allow adjustment of the o
- Author
- ferdinand
- Language
- EN