2.73 (a) Consider the instrumentation amplifier circuit of Fig. 2.20(a). If the op amps are ideal except that their outputs saturate at ±12 V, in the manner shown in Fig. 1.14, find the maximum allowed input common-mode signal for the case R 1 = 1 k and R2 = 100 k. (b) Repeat (a) for the circuit in Fig. 2.20(b), and comment on the difference between the two circuits

73 - 2.73 (a) Consider the instrumentation amplifier circuit of Fig. 2.20(a). If the op amps are ideal except that their outputs saturate at ±12 V, in the manner shown in Fig. 1.14, find the maximum allowed input common-mode signal for the case R 1 = 1 k and R2 = 100 k. (b) Repeat (a) for the circuit in Fig. 2.20(b), and comment on the difference between the two circuits

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images - 2.73 (a) Consider the instrumentation amplifier circuit of Fig. 2.20(a). If the op amps are ideal except that their outputs saturate at ±12 V, in the manner shown in Fig. 1.14, find the maximum allowed input common-mode signal for the case R 1 = 1 k and R2 = 100 k. (b) Repeat (a) for the circuit in Fig. 2.20(b), and comment on the difference between the two circuits

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