35 W Amplifier (T359E)

This class AB2 amplifier was obtained in a 1937 RCA tube manual. The circuit includes the dual high voltage power supply.

Simple Mixer (CB16722E)
This is one of many configurations with a 4-input mixer transistor that can be found on this...
DC Switched Dimmer (CB26191E)
This dimmer was found in the Electronics Experimenter Special projects of 1983. The circuit uses...
Bridge Balance Indicator (CB19470E)
The operational amplifier used is the 741, but the configuration is valid for other operational...