Operating in class AB1, this high-fidelity amplifier was found in the 1961 RCA tube manual. The circuit has high input impedance and good gain.
Indicated for vinyl media recovery, this circuit is from the 80's, having been found in an...
We found this circuit in a 1969 General Electric documentation. The circuit uses transistors of the...
This touch switch appears elsewhere on this site from various documentation. This is from an 80's...