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27. For the collector-feedback configuration of Fig. 4.129, determine: a. IB. b. Ic. с. Vс. +16 V 3.6 k2 270 k2 ovc Ic IB B = 120 1.2 k2 FIG. 4.129 Problems 27, 28, 74, and 78.

27. For the collector-feedback configuration of Fig. 4.129, determine: a. IB. b. Ic. с. Vс. +16 V 3.6 k2 270 k2 ovc Ic IB B = 120 1.2 k2 FIG. 4.129 Problems 27, 28, 74, and 78.

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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27. For the collector-feedback configuration of Fig. 4.129, determine: a. IB. b. Ic. c. Vc. +16 V 3.6 kN 270 k2 Vc Ic B = 120 1.2 k2 FIG. 4.129 Problems 27, 28, 74, and 78. 28. For the network of problem 27 V' Vcc - VBE a. Determine Ic, using the equation Ico R Rc + RE b. Compare with the results of problem 27 for Ico. c. Compare R' to RF/B. d. Is the statement valid that the larger R' is compared with RF/B, the more accurate the equation Ico = V' -? Prove using a short derivation for the exact current Ico R' e. Repeat parts (a) and (b) for ß = 240 and comment on the new level of Ice:
Transcribed Image Text:27. For the collector-feedback configuration of Fig. 4.129, determine: a. IB. b. Ic. c. Vc. +16 V 3.6 kN 270 k2 Vc Ic B = 120 1.2 k2 FIG. 4.129 Problems 27, 28, 74, and 78. 28. For the network of problem 27 V' Vcc - VBE a. Determine Ic, using the equation Ico R Rc + RE b. Compare with the results of problem 27 for Ico. c. Compare R' to RF/B. d. Is the statement valid that the larger R' is compared with RF/B, the more accurate the equation Ico = V' -? Prove using a short derivation for the exact current Ico R' e. Repeat parts (a) and (b) for ß = 240 and comment on the new level of Ice:
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