This basic circuit was found in the March 1998 issue of Electronics Now magazine. The circuit is powered by 2V and uses a 28 MHz crystal or resonator.
This circuit was found in an American documentation from the 60's. The transistors are from the...
The dual operational used in this sound effect that separates the signal into two tracks is not...
The circuit shown was found in a 1967 RCA manual. Modern equivalent components can be used. The...