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2011-03-05

A New Frequency Selective Window for Constructing Waveguide Bandpass Filters with Multiple Attenuation Poles

By Mikio Tsuji, Hiroyuki Deguchi, and Masataka Ohira
Progress In Electromagnetics Research C, Vol. 20, 139-153, 2011
doi:10.2528/PIERC11012202

Abstract

This paper presents a novel frequency selective window for waveguide filters. It has a resonant characteristic with two attenuation poles on both sides of a passband, that is, a dual-behavior resonance. Such frequency selective windows make it possible to construct a compact bandpass filter having multiple attenuation poles without any additional coupling structures. As design examples, we show 3-pole Chebyshev waveguide filters with six attenuation poles in both the microwave and the millimeter-wave regions. The validity of the present filters is proven by the comparison of the frequency characteristics between the calculated and the measured results.

Citation


Mikio Tsuji, Hiroyuki Deguchi, and Masataka Ohira, "A New Frequency Selective Window for Constructing Waveguide Bandpass Filters with Multiple Attenuation Poles," Progress In Electromagnetics Research C, Vol. 20, 139-153, 2011.
doi:10.2528/PIERC11012202
http://jpier.org/PIERC/pier.php?paper=11012202

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