Suggested by Siliconix in documentation from the 90s, this amplifier has its gain digitally selected. The components are from that time, not easy to find today.
The purpose of this circuit is to disconnect the battery in case of an excessive charge current,...
This 1969 Electronics World power supply has 5 V to power digital circuits and a 170 V output for...
This traditional LED sequencer circuit was found in the February 1992 Radio Electronics magazine. The...