Op amp practice problems
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Read the op-amp class notes.

For the circuit shown,

• R₁ = 39 kΩ
• R₂ = 470 kΩ
• R_f = 180 kΩ
• v_i1 = -60 mV
• v_i2 = 0.4 V

What is the output voltage v_o?

Answer