This circuit for cars of the time was found in a Popular Electronics magazine from the 90s. The circuit is based on CMOS logic that is common even today.
This circuit, which appears elsewhere in this section, was taken from McGRAW documentation from...
Found in documentation from the 90s, this circuit can employ other comparators in the series such as...
The purpose of this circuit is to reduce the ripple of a power supply. The circuit is from a Radio...