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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
Ampliers: Basic MOSFET Congurations
463
" "
R
v
i
def
oMOS
ds
d
Ropen
L
" "
R
v
i
def
o
ds
l
Ropen
L
" "
R
v
i
def
oMOS
ds
d
Ropen
L
With the condition of
v
s
0
!
=
, the current g
m
v
gs
= 0, so that the voltage
controlled current source (VCCS) results open. As a consequence,
R
oMOS
= r
o
"
"
R
v
i
def
o
ds
l
Ropen
L
The overall output resistance is easily determined as
||
RrR
oo D
=
The output resistance is typically large, so that a voltage buffer is necessary to
drive a low load resistor.
12.2.2.3
C
.S.: Voltage G
a
in
The voltage gain A
v
of the amplier in the mid-band frequency regime refers to
the ratio between the output voltage v
l
, across the load resistance, and the input
voltage v
s
of the ...
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Publisher Resources

ISBN: 9781466582026