Monostable 4098 (CIR25124E)

This CMOS circuit is re-triggerable. It was found in the April 1988 issue of Radio Electronics magazine;

Wiper Water Sensor (CB4968E)
The purpose of this circuit is to sense the water level in the windshield wiper reservoir. The circuit...
Voltage to frequency converter with potentiometer (CB6995E)
This application circuit for the AD6521C was found in Radio Electronics from the 90's. The circuit...
Common Emitter Stage (CB25635E)
This general-purpose transistor amplifier stage was found in the November 1993 issue of...