This circuit was found in the December 1982 Radio Electronics magazine. The components are of types that are still commonly found. The power supply is not included.
This circuit was found in Linear Circuits Applications of Texas Instruments, originally using the...
This circuit with two operating modes was found in the September 1989 issue of Radio Electronics...
We found this circuit in the 1982 SGS Linear Integrated Circuits manual. The circuit is integrated is...