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 FET in the common source with source degeneration amplifier is shown here with the following properties:

Kn' = 100 microAmp / V2, Vt = 0.7 V, and lambda = 0.04 V-1.  It is biased at ID = 1 mA.

a) What is the width W of the FET required to make ID = 1 mA?

b) What is gm?  Use W = 100 micrometers if you cannot find W in part a).

c) Draw the small-signal model for the circuit.

d) What is gain Av = vo / vi?

e) What is the overall gain Gv = vo / vs?

20K
200K
2.2V
10 V
HỖ.
4K
1mA
Vo
M1
W
1K
μ
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Transcribed Image Text:20K 200K 2.2V 10 V HỖ. 4K 1mA Vo M1 W 1K μ
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