We found this circuit in a 1966 documentation. The circuit is intended for a door opening system by the headlight of a car. The sensor is a photo-FET, an uncommon component today.
This circuit, found in a 1964 US documentation, consists of a selective amplifier that lets only...
The circuit shown in the figure has elements for maximum gain at maximum speed. By setting the...
Alongside the diagram of this control, which we find in a 1980s documentation are the component...