1. For this circuit, assume all the npn transistors are identical with VBE(ON)=0.6V. Ignore the Early effect for now (VA=infinity). a. What are Icopy1 and Icopy2 if you ignore the base currents (that is if you assume Beta-infinity)? b. What are Icopy1 and Icopy2 if you assume Beta=50? c. What resistor should replace the IREF circle to get IREF=0.2mA if Vcc = 5V? Vcc IREF 0.2 mA I copy1 AE copy2 Q2 10 AE 4AE
1. For this circuit, assume all the npn transistors are identical with VBE(ON)=0.6V. Ignore the Early effect for now (VA=infinity). a. What are Icopy1 and Icopy2 if you ignore the base currents (that is if you assume Beta-infinity)? b. What are Icopy1 and Icopy2 if you assume Beta=50? c. What resistor should replace the IREF circle to get IREF=0.2mA if Vcc = 5V? Vcc IREF 0.2 mA I copy1 AE copy2 Q2 10 AE 4AE
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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![1. For this circuit, assume all the npn transistors are identical with VBE(ON)=0.6V. Ignore the Early
effect for now (VA=infinity).
a. What are Icopy1 and Icopy2 if you ignore the base currents (that is if you assume
Beta-infinity)?
b. What are Icopy1 and Icopy2 if you assume Beta=50?
c. What resistor should replace the IREF circle to get IREF=0.2mA if Vcc = 5V?
Vcc
IREF O 0.2 mA
I copy1
Q1
AE
I copy2
Q2
10 AE
4AE](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdb6e49c2-d01d-4438-a99a-92f670cec770%2F6739a8c7-7870-4b61-89cf-fe39ae8698ed%2F0qka9vc_processed.png&w=3840&q=75)
Transcribed Image Text:1. For this circuit, assume all the npn transistors are identical with VBE(ON)=0.6V. Ignore the Early
effect for now (VA=infinity).
a. What are Icopy1 and Icopy2 if you ignore the base currents (that is if you assume
Beta-infinity)?
b. What are Icopy1 and Icopy2 if you assume Beta=50?
c. What resistor should replace the IREF circle to get IREF=0.2mA if Vcc = 5V?
Vcc
IREF O 0.2 mA
I copy1
Q1
AE
I copy2
Q2
10 AE
4AE
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