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B. Let us consider the internal structure of a Darlington transistor (see figure 2): 1- Give the expression of Ic as a function of Ic₁ and Ic2. 2- Give the expression of Ic₁ as a function of B₁ and IB. 3- Give the expression of Ic2 as a function of B2 and I'g, then the expression of Icz as a function of ß2 and I'E. 4- Give the expression of I'E as a function of IB and Ic1. 5- Replace in this relation Ic1 by the expression of question 2. IB B₁ I'E Figure 2 Ici I'B 8- From this latter relation, deduce the expression of the relation Ic/IB. 9- If B₁ = ₂ = 100, calculate Ic/lg for a Darlington transistor and compare to the expression Ic/IB of a single transistor. Conclude. Is Icz B₂ IE 6- In the relation of la question 3, replace I'E by the relation of question 5. 7- In the relation of question 1, replace Ic₁ by the relation of question 6 and Ic2 by the relation of question 3.

B. Let us consider the internal structure of a Darlington transistor (see figure 2): 1- Give the expression of Ic as a function of Ic₁ and Ic2. 2- Give the expression of Ic₁ as a function of B₁ and IB. 3- Give the expression of Ic2 as a function of B2 and I'g, then the expression of Icz as a function of ß2 and I'E. 4- Give the expression of I'E as a function of IB and Ic1. 5- Replace in this relation Ic1 by the expression of question 2. IB B₁ I'E Figure 2 Ici I'B 8- From this latter relation, deduce the expression of the relation Ic/IB. 9- If B₁ = ₂ = 100, calculate Ic/lg for a Darlington transistor and compare to the expression Ic/IB of a single transistor. Conclude. Is Icz B₂ IE 6- In the relation of la question 3, replace I'E by the relation of question 5. 7- In the relation of question 1, replace Ic₁ by the relation of question 6 and Ic2 by the relation of question 3.

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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exo 2 b

 

Exercise 2 A. We consider the circuit given by figure 1 1. Determine the impedance matrix as well as the corresponding electrical model. 2. Determine the admittance matrix as well as the corresponding electrical model. B. Let us consider the internal structure of a Darlington transistor (see figure 2): 1- Give the expression of lc as a function of Ic₁ and Ic2. 2- Give the expression of Ic₁ as a function of B₁ and IB. 3- Give the expression of Ic2 as a function of ß2 and I'g, then the expression of Icz as a function of 2 and I'E. 4- Give the expression of IE as a function of IB and Ic1. 5- Replace in this relation Ic1 by the expression of question 2. Ve Figure 1 IB FMW B₁ I'E R Figure 2 Ici I's Vs 8- From this latter relation, deduce the expression of the relation Ic/IB. 9- If B₁ = ₂ = 100, calculate Ic/IB for a Darlington transistor and compare to the expression Ic/IB of a single transistor. Conclude. Is Icz B₂ IE 6- In the relation of la question 3, replace I'E by the relation of question 5. 7- In the relation of question 1, replace Ic₁ by the relation of question 6 and Ic₂ by the relation of question 3.
Transcribed Image Text:Exercise 2 A. We consider the circuit given by figure 1 1. Determine the impedance matrix as well as the corresponding electrical model. 2. Determine the admittance matrix as well as the corresponding electrical model. B. Let us consider the internal structure of a Darlington transistor (see figure 2): 1- Give the expression of lc as a function of Ic₁ and Ic2. 2- Give the expression of Ic₁ as a function of B₁ and IB. 3- Give the expression of Ic2 as a function of ß2 and I'g, then the expression of Icz as a function of 2 and I'E. 4- Give the expression of IE as a function of IB and Ic1. 5- Replace in this relation Ic1 by the expression of question 2. Ve Figure 1 IB FMW B₁ I'E R Figure 2 Ici I's Vs 8- From this latter relation, deduce the expression of the relation Ic/IB. 9- If B₁ = ₂ = 100, calculate Ic/IB for a Darlington transistor and compare to the expression Ic/IB of a single transistor. Conclude. Is Icz B₂ IE 6- In the relation of la question 3, replace I'E by the relation of question 5. 7- In the relation of question 1, replace Ic₁ by the relation of question 6 and Ic₂ by the relation of question 3.
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