This circuit was found in an American documentation from the 90's. What it does is provide at the output a voltage that is the average of the voltages set for the inputs.
The circuit presented is from a 1972 RCA technical documentation. The integrated circuit consists of a...
This circuit is from a 1967 publication. The configuration holds true for modern transistors having...
This proximity relay circuit was found in the July 1990 Radio Electronics magazine. The supply...