This circuit is from a 1968 documentation using one of the first integrated circuits available at the time, the TAA370. The circuit is powered by 1.3 V using a 200 ohm handset.
This circuit controls loads powered by the power grid, remembering that it is a half wave...
The critical point in this project is the adjustment of the optical system, mainly to avoid...
Found in a 1968 American documentation, this circuit generates sawtooth signals whose rise and...