This is another sampling and holding circuit found in a factory manual from the 1980s. The circuit can be implemented with more modern components. The FET is not a common component today.
This VCO makes use of an RC4558 which is an operational amplifier with characteristics close to...
This circuit can operate with different voltages, depending on the zener used. We found it in a...
This circuit can be used in the car to control the windscreen wipper or with other appliances at...