Schmitt Trigger 7400 (CB22419E)

This low hysteresis circuit was obtained from old documentation. The circuit must be powered by a voltage of 5 V.

Dimmer with filter (CB25027E)
The figure shows how to implement a filter against interference caused by the switching of a...
Stepper motor control (CB12763E)
The pulses applied to input C of the SAA1027 integrated circuit determine the engine speed. Each...
30 W Transistor Amplifier (CB23659E)
This circuit was obtained from an old publication from 1974 but can still be assembled with some...