This circuit for music effects and synthesizers was found in a Radio Electronics issue from June 1974. The circuit also consists of a pulse width modulator.
The transistors of this circuit may be general purpose and the power supply comes from the TTL...
We found this circuit with the CMOS4046 in the August 1994 Electronics Now magazine. The circuit is...
This setting appears with variations at various points on this site. This is from a Motorola...