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 is one of many that we have in our section. It was taken from the Electronics...
This is a bridge for the measurement of low value resistances and high values too. The circuit...
This circuit for the two-meter band of radio amateurs was found in 1980s documentation....