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Principles of Analog Electronics
book

Principles of Analog Electronics

by Giovanni Saggio
January 2014
Intermediate to advanced content levelIntermediate to advanced
567 pages
23h 13m
English
CRC Press
Content preview from Principles of Analog Electronics
Principles of Analog Electronics
308
Ohmic or triode, or linear region
conditionv Vv
current iKvV
vv
: 0
: 2
GS th DS
DS nGSthD
SD
S
2
()
−> >
=−
Saturation region
:0
: 1
2
conditionvVv
current iKvV v
GS th DS
DS nGSt
hD
S
()
()
<−<
=−
.
The blue line in Figure 8.58 for which
vVv
GS th DS
−=
separates ohmic and satura-
tion regions.
Observation
The λ parameter is very often ignored due to its low value, which depends on
the channel length and is typically
10
10 1/v
31
≤λ≤[]
−−
.
The following is a MATLAB
®
routine to graph an example of the I–V characteristic
of a MOSFET (Figure 8.59), neglecting the overall contribution of λ, and assuming
=[
]
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Publisher Resources

ISBN: 9781466582026