Novel bandpass filter with wide stopband using double-sided parallel-strip line

Xiu-Yin Zhang,

Xiu-Yin Zhang

Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong

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Jia-Lin Li,

Jia-Lin Li

Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong

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Quan Xue,

Quan Xue

Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong

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Xiu-Yin Zhang,

Xiu-Yin Zhang

Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong

Search for more papers by this author

Jia-Lin Li,

Jia-Lin Li

Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong

Search for more papers by this author

Quan Xue,

Quan Xue

Department of Electronic Engineering, City University of Hong Kong, Kowloon, Hong Kong

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First published: 26 January 2007

https://doi.org/10.1002/mop.22244

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Abstract

A novel bandpass filter using double-sided parallel-strip line (DSPSL) is proposed in this paper. Based on the differential characteristics of DSPSL, the proposed filter has a wide stopband up to the third spurious resonance frequency. Also, this filter can achieve high power-handling capability because the linewidth of DSPSL is wider than that of microstrip with the same characteristic impedance. A demonstration filter was designed, fabricated, and measured. Theoretical and experimental results are presented and show good agreement. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 722–724, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22244

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Volume49, Issue3

March 2007

Pages 722-724

Novel bandpass filter with wide stopband using double-sided parallel-strip line

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Novel bandpass filter with wide stopband using double-sided parallel-strip line

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