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 published in an article in Radio Electronics magazine in October 1988. It uses...
This circuit was obtained in an old English magazine (TSI) 1998 and consists of a Schmitt trigger...
The circuit in the figure causes two lamps to flash alternately at a frequency that can be...