This circuit applies to any common operational, the time constant for the given values being 22 ms. The circuit must be powered by a symmetrical source.
In this circuit the 555 is configured as an adjustable timer for long intervals. The capacitor C1 can be...
The circuit shown has a differential input and employs transistors of an array of matched types. The...
This circuit for common analog telephones was found in March 1982 Radio Electronics magazine. It...