Assume ß >> 1, VBE(on) = 0.7 volts, all npn junction areas identical, and all pnp junction areas are identical. VCC = 12 volts. Also assume IREF = 0.5 mA and Circuit 3 current, I3 = 50 µA. Compute: (a) R1 = (b) 12 (c) R2 = (Think Widlar!!!)

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...
icon
Related questions
Question

1

Problem 1
BJT Current Mirror System
R2
CIRCUIT 1
Q5
IREF = 0.5 mA
Q4
R1
Q6
CIRCUIT 2
CIRCUIT 3
Vcc
Q1
Q2
Q3
12 Volts
12
13 = 50 UA
Assume B >> 1, VBE(on) = 0.7 volts, all npn junction areas identical, and all pnp junction areas are identical.
VCC
12 volts. Also assume IREF = 0.5 mA and Circuit 3 current, 13
50 μΑ.
Compute:
%|
%3D
(a)
R1
(b)
12
||
(c)
R2 =
_(Think Widlar!!!)
Transcribed Image Text:Problem 1 BJT Current Mirror System R2 CIRCUIT 1 Q5 IREF = 0.5 mA Q4 R1 Q6 CIRCUIT 2 CIRCUIT 3 Vcc Q1 Q2 Q3 12 Volts 12 13 = 50 UA Assume B >> 1, VBE(on) = 0.7 volts, all npn junction areas identical, and all pnp junction areas are identical. VCC 12 volts. Also assume IREF = 0.5 mA and Circuit 3 current, 13 50 μΑ. Compute: %| %3D (a) R1 (b) 12 || (c) R2 = _(Think Widlar!!!)
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
KVL and KCL
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,