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.
This circuit was found in February 1976, Radio Electronics magazine. The components are from the...
I found this circuit in a 1993 technical documentation. When we press the switch in parallel with...
This circuit provides two outputs of the same signal. One with the original phase and the other...