The gain of this amplifier is given by the components indicated in the formulas next to the diagram. The power supply must be symmetrical and equivalent operational amplifiers can be used.
Found in National Semiconductor documentation this circuit converts a rectangular signal into an...
This 6-input mixer circuit is from 2004 documentation. The power source must have excellent...
This circuit trips, changing state, when the input voltage exceeds a value determined by R1 and...