Equal-length coupled-serial-shunted lines band-pass filters with suppression of the second harmonic

In this letter, a new configuration consisting of parallel coupled lines and nonuniform transmission lines is used to study band‐pass filters. Using a combination of the wavy‐edge coupled‐lines and ring resonators of the harmonic pass‐band of the parallel‐coupled line filter is rejected more effecti...

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Bibliographic Details
Published in:Microwave and optical technology letters 2011-09, Vol.53 (9), p.2068-2072
Main Authors: Tsai, Lin-Chuan, Fang, Han-Sheng
Format: Article
Language:English
Subjects:
Bandpass filters
Chebyshev approximation
Harmonics
Joining
Microwaves
Nonuniform
On-line systems
ring resonators
Simulation
wavy-edge coupling
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Summary:In this letter, a new configuration consisting of parallel coupled lines and nonuniform transmission lines is used to study band‐pass filters. Using a combination of the wavy‐edge coupled‐lines and ring resonators of the harmonic pass‐band of the parallel‐coupled line filter is rejected more effectively. A synthesis method is presented for Chebyshev Type II band‐pass filters in the microwave frequency range. To validate the proposed methodology, measured, and simulation, Chebyshev Type II band‐pass filters were implemented to validate this new configuration correct by measuring. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26218
ISSN:0895-2477
1098-2760
1098-2760
DOI:10.1002/mop.26218