We found this circuit in a Radio Electronics from October 1976. The components are still common, but the circuit applies to older car models with contact breaker ignition.
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...