This circuit has a maximum frequency of 10 kHz and a linearity better than 0.01%. The circuit is from an 80's documentation making use of integrated of the time.
We found this circuit in a publication of 1991. The audio amplifier is an operational that admits...
Found in an 80's Hands On Electronics, this circuit turns on a light when it gets dark and goes...
This circuit regulates the output voltage of a 78xx according to the light incident on the sensor....