D 13.49 For the circuit in Fig. 13.17, let VCC = 3V, VBIAS = 0.7 V, and IC6 = 40 µA. Find RC that results in a differential gain of 14 V/V. What is the input common-mode range and the input differential resistance? Ignore base currents except when calculating Rid. If Rid is to be increased by a factor of 4 while the gain and VICM remain unchanged, what must I and RC be changed to?
D 13.49 For the circuit in Fig. 13.17, let VCC = 3V, VBIAS = 0.7 V, and IC6 = 40 µA. Find RC that results in a differential gain of 14 V/V. What is the input common-mode range and the input differential resistance? Ignore base currents except when calculating Rid. If Rid is to be increased by a factor of 4 while the gain and VICM remain unchanged, what must I and RC be changed to?
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