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I need some help solving this: I found the measured resistance to be R1=980, R2=982 and R3=490. I need to use these values to calculate the reference current and the output current of the widlar current source. I know the formula for the reference current is: (V-Vbe)/R1 Im not sure what the formula for output current is nor how to solve for it. How would I go about solving this and is my reference current formula correct?

I need some help solving this: I found the measured resistance to be R1=980, R2=982 and R3=490. I need to use these values to calculate the reference current and the output current of the widlar current source. I know the formula for the reference current is: (V-Vbe)/R1 Im not sure what the formula for output current is nor how to solve for it. How would I go about solving this and is my reference current formula correct?

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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I need some help solving this:

I found the measured resistance to be R1=980, R2=982 and R3=490. I need to use these values to calculate the reference current and the output current of the widlar current source. I know the formula for the reference current is:

(V-Vbe)/R1

Im not sure what the formula for output current is nor how to solve for it. How would I go about solving this and is my reference current formula correct?

+5V 1+ 1- Tin | Rik R₁ ↓ 1K GND I out R3 500 +5V R₂ 1K Q₂ 2+ 2-
Transcribed Image Text:+5V 1+ 1- Tin | Rik R₁ ↓ 1K GND I out R3 500 +5V R₂ 1K Q₂ 2+ 2-
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