Found in an Electronic Design from the 1990s, this circuit generates signals from 500 kHz to 1 MHz that are digitally synthesized to provide a sinusoidal output.
This is perhaps the first PIC project to appear in a publication. The article is from Radio...
From a 90s Popular Electronics, this circuit emits pulsating signals for different types of...
This circuit for effects on music synthesizers was found in the May 1983 issue of Radio...