Presentation 2004/4/8
Improved design approach of microstrip filters
Yuki Higashide, Yoshio Kobayashi,
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Abstract(in English) Microstrip lumped element bandpass filters (BPF) have been designed on the basis of an equivalent circuit derived from K-inverter. In this case, the filers are designed with only couplings between C-elements. But it was found that the result of frequency characteristics calculated for this designed filters does not satisfy the design specification. This paper verifies that a direct coupled resonator method considering both couplings between C-elements and L-elements is useful. In addition, the influence of crosscouplings between the resonators and between input and output microstrip lines is discussed by using an electromagnetic simulator for a 6-pole Chebyshev bandpass filter designed with the center frequency 2.15GHz and 3dB-bandwidth 21.5MHz.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Microstrip line / Bandpass filter / Design approach
Paper # SCE2004-16,MW2004-16
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Conference Information
Committee SCE
Conference Date 2004/4/8(1days)
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Paper Information
Registration To Superconductive Electronics (SCE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Improved design approach of microstrip filters
Sub Title (in English)
Keyword(1) Microstrip line
Keyword(2) Bandpass filter
Keyword(3) Design approach
1st Author's Name Yuki Higashide
1st Author's Affiliation Department of Electrical and Electronic Systems, Saitama University()
2nd Author's Name Yoshio Kobayashi
2nd Author's Affiliation Department of Electrical and Electronic Systems, Saitama University
Date 2004/4/8
Paper # SCE2004-16,MW2004-16
Volume (vol) vol.104
Number (no) 10
Page pp.pp.-
#Pages 6
Date of Issue