What will be the output voltage of the circuit shown in Figure E7-3 if R1 is 1,000 ohms, RF is 10,000 ohms, and 0.23 volts DC is applied to the input?
Answer-2.3 volts
The inverting gain is -RF/R1 = -10, so a +0.23-volt input produces -2.3 volts.
Amateur Extra · FCC ELEMENT 4
E7G09
Amateur Extra · FCC Element 4 · answer reveals automatically