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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
186
Summarizing
H
ZZ Z
Z
ZZ
Z
ZZ ZZ
||
1
12 3
2
23
2
23
23
[]
=
+
+
++
EX
ERC
I
SE 10
Ca
lculate the elements of the admittance matrix
Y
[]
relative to the
T-network represented in Figure 5.18.
ANSWER
Let’s recall the denitions of the
y
11
and
y
21
parameters
y
i
v
v
11
1
1
20
def
=
y
i
v
v
21
2
1
20
def
=
and take into account the equations
iyvyv
iyvyv
1111 12 2
2211 22
2
=+
=+
To calculate the unknown parameters we refer to the scheme of Figure
5.19, with v
2
0
=
.
It is easy to obtain
y
ZZ Z
Z
ZZ
ZZ
ZZ
ZZ ZZ ZZ
1
||
1
11
12 3
1
23
23
23
12 13
23
=
+
=
+
+
=
+
++
Referring to Figure 5.18, the voltage
vZi
x
=−
32
i
v
Z
x
2
3
=−
and (voltage divider’s rule)
y
21
y
11
K18911_Book.indb 186 27/12/13 ...
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Publisher Resources

ISBN: 9781466582026