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...
This levitation circuit keeps a small globe floating in space under the action of a magnetic...
This frequency-corrected 1 kHz circuit has a nearly perfect rectangular signal. The circuit is...