Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Question
The transistor in the circuit shown has VBEact = 0.7 V and ß = 100. Assume that VCEsat = 0 V and VBIAS = 1 V. (SOLVE ONLY D) a. What is the smallest value of vi that will not cause the transistor to go into cut-off. Hint: This should be a negative voltage. b. What is the largest value of vi that will not cause the transistor to go into saturation. Hint: This will be a positive voltage. c. If I want the magnitude of the answers in a and b to be the same, what should I adjust the value of VBIAS to? d. By what factor are changes in Vi amplified at Vo V BIAS HIHI 10K +10 V 1K %₂
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Transcribed Image Text:The transistor in the circuit shown has VBEact = 0.7 V and ß = 100. Assume that VCEsat = 0 V and VBIAS = 1 V. (SOLVE ONLY D) a. What is the smallest value of vi that will not cause the transistor to go into cut-off. Hint: This should be a negative voltage. b. What is the largest value of vi that will not cause the transistor to go into saturation. Hint: This will be a positive voltage. c. If I want the magnitude of the answers in a and b to be the same, what should I adjust the value of VBIAS to? d. By what factor are changes in Vi amplified at Vo V BIAS HIHI 10K +10 V 1K %₂
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Step 2: Calculation of small signal Emitter resistance
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Step 3: Calculation of output voltage
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