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

For the circuit shown,

• R₁ = 2.2 kΩ
• R₂ = 3.3 kΩ
• R₃ = 56 kΩ
• R₄ = 68 kΩ
• R₅ = 1.8 kΩ
• R₆ = 2.7 kΩ
• R₇ = 4.7 kΩ

Find the expression for the output voltage in terms of v_x and v_y.

Answer