This 1967 General Electric circuit makes use of an array of 3 (integrated) transistors for an amplifier stage. The circuit has a 500 mV output.
We found this circuit for guitar training in an English documentation from 1989. The components are from...
This circuit produces a voltage drop in the first pulse, turning off the relay. On the second...
Readers who like sound or sound effects cannot fail to examine this interesting circuit. What we...