This circuit was found in the August 1996 Electronics Now magazine. The circuit is based on an operational circuit whose type determines the gains and limits for the frequency.
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...
This circuit, already explored in other publications, uses the signal from a strong station to...
Signals of up to a few tens of kilohertz can be generated by this circuit found in a European...