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.
We have already presented this circuit elsewhere on our website. This version of an English...
With this circuit it is possible to obtain an intermediate voltage of 6 V from a 12 V battery with...
This 9 V battery eliminator was found in Radio Electronics magazine from June 1966. The transistor is of...