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.
This circuit can be installed inside a toy space gun to produce a “Phaser” effect. The circuit is from...
This circuit was found in a 1988 publication. The circuit is an alarm with interrupt sensors that...
The frequency in this circuit is adjusted by P1 and given by C1. Short pulses, as the ones...