This circuit was found in a 1980s Signetics documentation. The integrated circuit is from the era. The circuit enables coded matrix control via a toggle switch.
This circuit compensates for losses in pre-amplified audio or tone control stages. The circuit can use...
Found in the Encyclopedia of Electronic Circuits volume 5 from 1995, this circuit uses a...
This is a bridge for the measurement of low value resistances and high values too. The circuit...