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New dual-band bandpass filter with resistance load

✍ Scribed by Xiao-Hua Wang; Quan Xue; Kim Fung Man

Book ID
102951982
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
797 KB
Volume
53
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A new dual‐band bandpass filter featuring flexible frequency choice is proposed.It consists of two resonators out of the two sides of the signal line with different sizes forming two passbands with desired frequency responses and bandwidths. For the resonator forming the lower passband, a shunt resistor is added at the center to make the even mode responses disappear. A wide stopband is obtained between the fundamental and higher odd mode response. So when a smaller resonator is put in the other side of signal line to produce the upper passband, a flexible frequency ratio of two passband can be gotten. The proposed filter is fabricated and measured. Good agreements are obtained between the simulations and measurements. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26030

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