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Op-Amp Summing Amplifier Calculator

Find Vout = -Rf·Σ(Vk/Rk) for a 3-input summing op-amp.

Ω
Ω
Ω
Ω
V
V
V

Output Voltage

-3.5000 V

Gain 1

1.0000 V/V

Gain 2

1.0000 V/V

Gain 3

1.0000 V/V