Inverting Op-Amp Resistor Calculator

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Calculate the gain and output voltage of an inverting op-amp configuration.

Inputs

Input Resistor (R_in)

Feedback Resistor (R_f)

Input Voltage (V_in)

Results

Gain (Av)

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Output Voltage

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Gain (dB)

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Formula: Av = −Rf/Rin | Vout = −(Rf/Rin) × Vin
Output is inverted (180° phase shift).

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Inverting Op-Amp Resistor Calculator is a free online calculator tool. Use it to get instant, accurate results for your electronics calculations.