Presentation 2008-02-29
Parallel-Coupled Microstrip Filters with Periodic Floating-Conductors on Coupled-Edges for Spurious Suppression
Tatsuya YAMAGUCHI, Takao FUJII, Tadashi KAWAI, Isao OHTA,
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Abstract(in English) This paper presents a new technique for suppressing the spurious response of parallel-coupled microstrip bandpass filters at twice the design frequency. Floating conductors loaded into periodic slots on the inner edges of each coupled section are employed to compensate the difference between even-and odd-mode phase velocities. This technique is marked by maintenance of planar structure and ease of design due to the symmetrical coupled line section. The designed filter has a satisfactory suppression level of about 40dB and a symmetrical frequency response of the pass band. The validity of the design concept is confirmed both numerically and experimentally.
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Keyword(in English) Microwave circuits / Filters / Parallel-coupled microstrip filters / Phase compensation
Paper # MW2007-173
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Committee MW
Conference Date 2008/2/22(1days)
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Registration To Microwaves (MW)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Parallel-Coupled Microstrip Filters with Periodic Floating-Conductors on Coupled-Edges for Spurious Suppression
Sub Title (in English)
Keyword(1) Microwave circuits
Keyword(2) Filters
Keyword(3) Parallel-coupled microstrip filters
Keyword(4) Phase compensation
1st Author's Name Tatsuya YAMAGUCHI
1st Author's Affiliation Graduate School of Engineering, University of Hyogo()
2nd Author's Name Takao FUJII
2nd Author's Affiliation Graduate School of Engineering, University of Hyogo
3rd Author's Name Tadashi KAWAI
3rd Author's Affiliation Graduate School of Engineering, University of Hyogo
4th Author's Name Isao OHTA
4th Author's Affiliation Graduate School of Engineering, University of Hyogo
Date 2008-02-29
Paper # MW2007-173
Volume (vol) vol.107
Number (no) 504
Page pp.pp.-
#Pages 4
Date of Issue