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.
This circuit was found in an American 1980s documentation. Equivalent operational amplifiers can be...
This circuit was found in RCA and General Electric documentation from the 1980s. The circuit has...
This circuit changes the wave shape of a square signal according the values of C1 and R1. Other...