This circuit is from Radio Electronics from March 1985. The circuit uses common components at the time and LEDs as indicators. The power supply is 9V.
The reference voltage determines the output voltage on this circuit which has a maximum current of 5 A....
This filter of two transistors has the cutoff frequency determined by the formulas next to the...
July 2017 - Ricoh's new 200mA R1524x voltage regulators are available from Mouser Electronics with...