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.
This circuit was found in a 90s Popular Electronics. It can be used to control a triac from the...
Originally designed for an incandescent lamp, this flasher or pulser can be adapted to operate with...
This circuit found in Popular Electronics from July 1974 consists of an oscillator that sends its...