This circuit was obtained from 1967 documentation. It uses a sensor to determine the trigger point. The components are of the time, difficulty to obtain these days.
This circuit was found in an old American documentation. It can operate with signals from 40 Hz to...
The circuit shown in the figure makes it possible to trigger a load after times that can extend up to 4...
This circuit has as a critical component the transformer that has low voltage windings for the...