This circuit was found in the March 1995 issue of Electronics Now magazine. The circuit requires a symmetrical power supply, and the FET is a common general-purpose type.
This circuit was found the Optoelectronics Sourcebook by Texas Instruments. Any phototransistor...
Applying an operational of the time, this circuit of an old documentation can be elaborated with modern...
This circuit appears on the site in several variations depending on the source. This is from a...