This circuit is from 1994, from a technical documentation from National Semiconductor, but can be adapted to work with more modern components.
We found this circuit in the June 1988 Radio Electronics magazine. The power supply must be...
This circuit is based on the voltage reference that is uncommon today MC1403. Equivalents can be...
May 2016 - It can be obtained from Mouser Electronics new connectors Ultra-Fit ™ series from Nikex for...