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Inverting Amplifier Gain

Gain of an inverting op-amp.

Formula

Av=−RfRinA_v = -\frac{R_f}{R_{in}}

Variables

R_fFeedback resistor
R_{in}Input resistor

Did You Know?

The op-amp, born in analog computers, became the versatile workhorse behind countless amplifiers and filters.

op-ampgainamplifier