The purpose of this circuit found in the September 1977 issue of Radio Electronics magazine is to produce the vibrato effect. It is a phase shift circuit working with common operating systems.
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...