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Electric Circuits and Networks, Ist Edition by Pearson
book

Electric Circuits and Networks, Ist Edition by Pearson

by K. S. Suresh Kumar
May 2024
Intermediate to advanced content levelIntermediate to advanced
840 pages
45h 20m
English
Pearson India
Content preview from Electric Circuits and Networks, Ist Edition by Pearson
‘Constant-k’ implies that the product of underlying impedances Z
1
and Z
2
must be a
constant independent of frequency.
Therefore, L
1
C
1
has to be equal to L
2
C
2
if the filter is to be of a constant-k type. This
constraint is imposed on band-pass filter design.
∴=
=
LC LC
L
C
11 2 2
2
1
by design.
Then, Z Z
This product is define
12
dd as of the filter.
o
o
R
RZZ
L
C
L
C
LC LC
2
12
2
1
1
2
11 2 2
∴= = = =()
ZjL
jC
j
LC
C
ZjL
jC
j
L
LC
11
1
2
11
1
22
2
2
2
22
1
1
1
1
=+ =−
()
==
()
ω
ω
ω
ω
ω
ω
ω
ω
//
∴=
()
×
()
()
ZZ
LC
C
L
LC
L
C
LC
LC
12
2
11
1
2
2
22
2
1
2
11
2
22
1
1
1
1
ω
ω
ω
ω
ω
ω
(()
725
16.14 CONSTANT-k BAND-PASS FILTER
16.14 CONSTANT-k BAND-PASS FILTER
Constant-k T-section and Π-section band-pass filters are shown in Fig. 16.14-1.
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Publisher Resources

ISBN: 9781299447028