**2.120 Consider an inverting summer with two inputs, V1 and V2, designed so that an ideal op amp provides Vo = −(V1 + 2V2). If the op amp has a finite gain A, show that
**2.120 Consider an inverting summer with two inputs, V1 and V2, designed so that an ideal op amp provides Vo = −(V1 + 2V2). If the op amp has a finite gain A, show that
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