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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50020

Title: A coupled‐line coupling structure for the design of quasi‐elliptic bandpass filters
Authors: 陳志榮
Contributors: 國立臺灣海洋大學:通訊與導航工程系
Keywords: Bandpass filter (BPF)
coupling structure
parallel-coupled line
Date: 2017-12
Issue Date: 2018-09-07T06:44:52Z
Publisher: IEEE Transactions on Microwave Theory and Techniques
Abstract: Abstract: A coupled-line coupling structure is proposed for
the design of quasi-elliptic bandpass filters (BPFs). The coupledline
structure functions as the input coupling structure for a
BPF and introduces one pair of symmetrical transmission zeros
at around the cutoff frequencies. Equivalent circuit models play
an important role in the design of microwave filters. Accordingly,
this paper undertakes a major effort to develop the equivalent
circuit of the coupling structure. The equivalent circuit is in a
form that can be readily used in combination with a given directcoupled
filter. The coupling structure can serve as a basic building
block for the design of quasi-elliptic BPFs. As demonstrated
by the theoretical and experimental treatment, the coupling
structure can be used to transform a Chebyshev filter into a
quasi-elliptic filter.
Relation: 66(4)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50020
Appears in Collections:[通訊與導航工程學系] 期刊論文

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