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9.26 For the differential amplifier of Fig. 9.15(a) let I = 0.4 mA, Vec=V =2.5 V, VCM=-1 V, Rc=5 k2, and ß = 100. Assume that the BJTS have vE =0.7 V at ic=1 mA. Find the voltage at the emitters and at the outputs.

9.26 For the differential amplifier of Fig. 9.15(a) let I = 0.4 mA, Vec=V =2.5 V, VCM=-1 V, Rc=5 k2, and ß = 100. Assume that the BJTS have vE =0.7 V at ic=1 mA. Find the voltage at the emitters and at the outputs.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Hi, I need your help on question 9.26 and 9.27

9.26 For the differential amplifier of Fig. 9.15(a) let I = 0.4 mA, Vcc=VEE=2.5 V, VcM=-1V, Rc=5 k2, and B = 100. Assume that the BJTS have vBE =0.7 V at ic=1 mA. Find the voltage at the emitters and at the outputs. 9.27 An npn differential amplifier with I = 0.4 mA, Vc = VEr = 2.5 V, and R. = 5 k2 utilizes BJTS with B = 100 and VBE = 0.7 V at ic = 1 mA. If V = 0, find V;, Vc1, and Vc2 obtained with v =+0.5 V, and with v =-0.5 V. Assume that the current source requires a minimum of 0.3 V for proper operation.
Transcribed Image Text:9.26 For the differential amplifier of Fig. 9.15(a) let I = 0.4 mA, Vcc=VEE=2.5 V, VcM=-1V, Rc=5 k2, and B = 100. Assume that the BJTS have vBE =0.7 V at ic=1 mA. Find the voltage at the emitters and at the outputs. 9.27 An npn differential amplifier with I = 0.4 mA, Vc = VEr = 2.5 V, and R. = 5 k2 utilizes BJTS with B = 100 and VBE = 0.7 V at ic = 1 mA. If V = 0, find V;, Vc1, and Vc2 obtained with v =+0.5 V, and with v =-0.5 V. Assume that the current source requires a minimum of 0.3 V for proper operation.
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