Found in a 90s Electronic Design, this circuit can be used as a shield in current projects. The circuit provides three levels of signals for triggering loads.
We found this circuit with a Q factor of 25 in the Linear Applications Handbook by National...
Found in a 1967 Electronics World, this preamplifier uses an integrated circuit from that time,...
This circuit uses a special 1950's RCA strobe tube. It can be built with equivalent components for the rest...