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 uses an 80's operational amplifier. The circuit is from an old RCA manual and can be...
This signal amplifier should be installed near the FM antenna to improve signal reception in...
This circuit, found in a publication of the year 1968, uses a transformer to drive two power...