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Consider a two-BJT configuration in Figure 1. You may assume that both transistors are the same with the same B, VBE,on = 0.7 V, and VcE,Eos = 0.3 V 오+ BO ´Q1 VCE VBE Q2 Figure 1 a. Determine the minimum voltage VBe that will turn ON both Q1 and Q2. b. Determine the minimum voltage VcE before either transistor operates in saturation. c. Derive the DC current gain A, = lc/lB in terms of ß for the two-transistor circuit. You may assume that Bis large.

Consider a two-BJT configuration in Figure 1. You may assume that both transistors are the same with the same B, VBE,on = 0.7 V, and VcE,Eos = 0.3 V 오+ BO ´Q1 VCE VBE Q2 Figure 1 a. Determine the minimum voltage VBe that will turn ON both Q1 and Q2. b. Determine the minimum voltage VcE before either transistor operates in saturation. c. Derive the DC current gain A, = lc/lB in terms of ß for the two-transistor circuit. You may assume that Bis large.

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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Consider a two-BJT configuration in Figure 1. You may assume that both transistors are the same with the same B, VBE,on = 0.7 V, and VcE,Eos = 0.3 V 오+ BO ´Q1 VCE VBE Q2 Figure 1 a. Determine the minimum voltage VBe that will turn ON both Q1 and Q2. b. Determine the minimum voltage VcE before either transistor operates in saturation. c. Derive the DC current gain A, = lc/lB in terms of ß for the two-transistor circuit. You may assume that Bis large.
Transcribed Image Text:Consider a two-BJT configuration in Figure 1. You may assume that both transistors are the same with the same B, VBE,on = 0.7 V, and VcE,Eos = 0.3 V 오+ BO ´Q1 VCE VBE Q2 Figure 1 a. Determine the minimum voltage VBe that will turn ON both Q1 and Q2. b. Determine the minimum voltage VcE before either transistor operates in saturation. c. Derive the DC current gain A, = lc/lB in terms of ß for the two-transistor circuit. You may assume that Bis large.
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