Figure 12 shows the circuit diagram of an adjustable power supply that has three output power supplies – V1, V2 and V3 – that share a common ground GND. Figure 12: Adjustable power supply which has ...

An adjustable three-pin voltage regulator chip LM317T (IC1) is used here to provide the required voltages. The LM317T regulator, in TO-220 pack, can handle current of up to 1 amp in practice. Desktop ...