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.
Found in a 90s Popular Electronics, this circuit fires an old flash of xenon from the pulse of...
Other operational amplifiers can be used on this unit gain amplifier. The circuit is from the 1993...
This circuit was found in Motorola documentation from 1966. The lamps are according to power and...