In the last video I demonstrated a Universal Active Filter that I could adjust with a dual-gang potentiometer, here I replace the potentiometer with a processor controlled solid-state potentiometer.

Designers and procurement engineers requiring a finely tuned analog output controlled by a digital input have two options: digital potentiometers and digital-to-analog converters (DACs). Both use ...

In many system applications, it becomes necessary to adjust a switched-mode power supply (SMPS) output voltage within narrow limits in order to remove tolerances and drops in the power path, verify ...