September 2008
Beginner
834 pages
37h 13m
English
Content preview from Electric Circuits and Networks
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16.14 CONSTANT-k BAND-PASS FILTER
Constant-k T-section and Π-Section band-pass filters are shown in Fig. 16.14-1.
Fig. 16.14-1 (a) Constant-k T-Section Band-Pass Filter (b) Constant-k Π-Section Band-Pass Section
‘Constant-k’ implies that the product of underlying impedances Z1 and Z2 must be a constant independent of frequency.
Therefore, L1 C1 has to be equal to L2 C2 if the filter is to be of a constant-k type. This constraint is imposed on band-pass filter design.
This product is defined as Ro2 of the filter.
Note ...
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