This wide range timer was found in the July 1994 issue of Electronics Now magazine. The circuit drives a relay and is powered by the relay voltage.
This circuit is from the 80's, making use of components of the time. What the circuit does is...
We find this circuit in a 1994 technical documentation. The circuit has a 12 V input and a 33 V...
The circuit that gave rise to this configuration was found in a magazine of the 1980s with the...