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4. (20 pts) Find the voltage across the 10 k2 resistor in the following op-amp circuit, where vs=5cos 1000001, R1= 300k2, and

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4 Given cisait is R = 300ku, R₂ = 20kr, c = 1nF 1/50 Vp Vo 3 loku Z VN lokas Vy ER2 Ciscuit in fsequency domain According toNow the voltage at loka is = Vai V = % 10K 10K+ R2 lok Va = 4.74 cos (10000t + 18:44) lokt 20k Val = 158 COS(10000t +1844°)

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