This circuit was found in Radio Electronics from the 90s. Q3 must have a heatsink and R10 fixes the output voltage.
A very simple and useful type of power supply is one that does not use the transformer. Although this...
The integrated circuit used in this regulator is unusual, as are the transistors. The circuit is...
This voltage regulator circuit has 1 A of maximum current for a TIP32 and 500 mA for a BD136. The...