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Suppose Vcc=10V, the transistors are matched with Is=33fA and B=200, and the resistors have the following values: R₁ =R₂=5k2 and R3-R4-292. Let VBE = VEB = 0.7V and V₁= 26mV a. Find the collector current in each of the four transistors for V₁= 5V and R₁ = 1000 VIO 2₁ -Vcc Q₂ R₂ +Vcc +Vcc Q₁ R3 R₁ RL 111 Ovo -Vcc Figure 12.17 A class AB output stage with an input buffer. In addition to providing a high input resistance, the buffer transistors Q, and Q₂ bias the output transistors Q, and Q₂.

Suppose Vcc=10V, the transistors are matched with Is=33fA and B=200, and the resistors have the following values: R₁ =R₂=5k2 and R3-R4-292. Let VBE = VEB = 0.7V and V₁= 26mV a. Find the collector current in each of the four transistors for V₁= 5V and R₁ = 1000 VIO 2₁ -Vcc Q₂ R₂ +Vcc +Vcc Q₁ R3 R₁ RL 111 Ovo -Vcc Figure 12.17 A class AB output stage with an input buffer. In addition to providing a high input resistance, the buffer transistors Q, and Q₂ bias the output transistors Q, and Q₂.

Introductory Circuit Analysis (13th Edition)
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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Output Stages: Class AB Output Stage

Suppose Vcc=10V, the transistors are matched with Is=33fA and B=200, and the resistors have the following values: R₁=R₂=5k and R3=R4=29. Let VBE = VEB = 0.7V and V₁ = 26mV a. Find the collector current in each of the four transistors for V₁= 5V and R₁ = 1000 VIO R₁ 2₁ R₂ -Vcc 2₂ +Vcc +Vcc Q3 R3 R4 24 ww|11 RL VO -Vcc Figure 12.17 A class AB output stage with an input buffer. In addition to providing a high input resistance, the buffer transistors Q, and Q₂ bias the output transistors Q3 and Q4.
Transcribed Image Text:Suppose Vcc=10V, the transistors are matched with Is=33fA and B=200, and the resistors have the following values: R₁=R₂=5k and R3=R4=29. Let VBE = VEB = 0.7V and V₁ = 26mV a. Find the collector current in each of the four transistors for V₁= 5V and R₁ = 1000 VIO R₁ 2₁ R₂ -Vcc 2₂ +Vcc +Vcc Q3 R3 R4 24 ww|11 RL VO -Vcc Figure 12.17 A class AB output stage with an input buffer. In addition to providing a high input resistance, the buffer transistors Q, and Q₂ bias the output transistors Q3 and Q4.
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