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.

Sinusoidal Oscillator 555 (CB12509E)
In the figure we have a simple way to obtain (almost) sinusoidal signals from an integrated...
60 V Regulator (CB15131E)
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...
Active Filter with Logic Control (CB19695E)
This multi-function filter can be used as a shield controlled by TTL signals. At the high level it...