This circuit is from the September 1985 issue of Radio Electronics magazine. The circuit has an LED charge indicator and is based on CMOS logic. The MOSFET must be equipped with a heat sink.
This circuit operates with input voltages from 50 to 140 V providing an output of 12 V under...
This circuit provides a 5 V negative output with a maximum current of 1 A. The circuit is from the...
We found this range of LEDs with the UAA180 in the 1976 Siemens Integrated Circuits manual. The...