(c) Your friend Lynn Year looks at this circuit and says this can be modeled as a voltage controlled current source. Since you are learning about this in 10A she comes to you for help in figuring it out. You model the circuit as shown in figure 9. You learned that to find g you need to incrementally move Vin and measure Ie (tastes like a derivative!). So what is the transconductance g, at the operating point? Hint: Think orders of magnitude and what you can ignore to make your life easier.

(c) Your friend Lynn Year looks at this circuit and says this can be modeled as a voltage controlled current source. Since you are learning about this in 10A she comes to you for help in figuring it out. You model the circuit as shown in figure 9. You learned that to find g you need to incrementally move Vin and measure Ie (tastes like a derivative!). So what is the transconductance g, at the operating point? Hint: Think orders of magnitude and what you can ignore to make your life easier.

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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Question

(c)
Your friend Lynn Year looks at this circuit and says this can be modeled
as a voltage controlled current source. Since you are learning about this in 10A she
comes to you for help in figuring it out. You model the circuit as shown in figure
9. You learned that to find g you need to incrementally move Vin and measure
Ie (tastes like a derivative!). So what is the transconductance g, at the operating
point? Hint: Think orders of magnitude and what you can ignore to make your life
easier.
3
in
i. =0
in
i
out
g.Vin
Figure 9: Nonlinear Circuit
out

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