This circuit is from the Texas Instruments operating amplifier manual. Any operational can be used and the font need not be symmetrical. Rf and Rg determine the gain of the circuit.
The open output voltage on this circuit is approximately three times the peak value of the input...
We found these circuits in a 90s Radio Electronics. In them, we have the way to turn a load on and...
The purpose of this circuit is to turn off the power supplied by a battery when its voltage drops...