3) The differential amplifier in Figure 3 is biased with a three-transistor current source. The transistor parameters are ẞ= 100, VBE (on) = 0.7 V, and VA = ∞. a) Determine I1. Ic2, IC4, VCE2, and VCE4. b) Determine a new value of R1 such that VCE4 = 2.5V. what are the values of Ic4, Ic2, I1, and R₁? +5 V Q1 R₁ = 8.5 ΚΩ IC4 23 RC= • 2 ΚΩ + 24 VCE4 RC= 2 ΚΩ est Ic2 + Q2 VCE2 -5 V Figure 3
3) The differential amplifier in Figure 3 is biased with a three-transistor current source. The transistor parameters are ẞ= 100, VBE (on) = 0.7 V, and VA = ∞. a) Determine I1. Ic2, IC4, VCE2, and VCE4. b) Determine a new value of R1 such that VCE4 = 2.5V. what are the values of Ic4, Ic2, I1, and R₁? +5 V Q1 R₁ = 8.5 ΚΩ IC4 23 RC= • 2 ΚΩ + 24 VCE4 RC= 2 ΚΩ est Ic2 + Q2 VCE2 -5 V Figure 3
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:3) The differential amplifier in Figure 3 is biased with a three-transistor current
source. The transistor parameters are ẞ= 100, VBE (on) = 0.7 V, and VA = ∞.
a) Determine I1. Ic2, IC4, VCE2, and VCE4.
b) Determine a new value of R1 such that VCE4 = 2.5V. what are the values of Ic4,
Ic2, I1, and R₁?
+5 V
Q1
R₁ =
8.5 ΚΩ
IC4
23
RC=
• 2 ΚΩ
+
24 VCE4
RC=
2 ΚΩ
est
Ic2
+
Q2 VCE2
-5 V
Figure 3
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