This automotive circuit was obtained from an 80's schematic from the integrated circuit factory itself. The voltage regulator is still common, but the operational amplifier is of the time.
Found in an 80's documentation this circuit uses an integrated from the uncommon era today. Other...
Powered by just 1.5 V this 80's amplifier uses an integrated circuit of the era. The circuit is...
This circuit works in the opposite form to the previous one and drives a relay as a load. The...