Problem

The resistors in the difference amplifier shown in Fig. 5.15 are Ra = 24 k Ω, Rb = 75 K...

The resistors in the difference amplifier shown in Fig. 5.15 are R_a = 24 k Ω, Rb = 75 K ? R_c = 130 K ? and R_d = 120 K ? The signal voltages v_a and v_b are 8 and 5 V, respectively, and V_cc =± 20 V.

a) Find v_o .

b) What is the resistance seen by the signal source v_a?

c) What is the resistance seen by the signal source v_b?

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Solutions For Problems in Chapter 5

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