Non Inverting Op Amp Equation. For a non inverting amp the gain is. The output impedance of an op amp is expressed as z out z o 1 a ol β.
Gain 1 r2 r1 note that while the inverting amp can have a gain less than one for handy signal scaling the non inverting amp must have a gain of at least one. Therefore we can say that both input and output for the non inverting summing amplifier are in phase. R ground resistor.
V in input voltage.
It offers a higher input impedance than the inverting op amp circuit. R f feedback resistor. For a non inverting amp the gain is. It offers a higher input impedance than the inverting op amp circuit.
