This circuit was found in an 80's Electronic Engineering. The circuit uses operatives of the time that are not common today. The power supply must be symmetrical.
This circuit was obtained from an Electronic Design from 1964. The components used are from the...
This circuit has the intensity of the signals controlled by the light that falls on the sensor....
May 2017 - These new Digital to Analog converters from Texas Instruments, available from Mouser...