National Changhua University of Education Institutional Repository : Item 987654321/10285

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NCUEIR > College of Engineering > eedept > Periodical Articles > Item 987654321/10285

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10285

Title:	Design of Compact CPW Bandpass Filters with Wide Stopband
Authors:	Lin, Li-Jing;Ho, Min-Hua;Xu, Wei-Qin
Contributors:	電子工程學系
Keywords:	CPW;lumped element;compact design;wide stopband
Date:	2007-04
Issue Date:	2012-05-22T06:26:47Z
Publisher:	Wiley
Abstract:	Two compact bandpass filters composed of the lumped elements in various coplanar waveguide (CPW) forms have been presented in this study. The filters were designed to operate at the frequency of 2.45 GHz. The behaviors of these filters can be simulated by the equivalent lumped-element circuit models with each element realized by the corresponding CPW discontinuity. Simulation and measurements were found to be in good agreement. Most attractive of all, the improved-design filter has achieved about a 363% (9.04 GHz) stopband bandwidth under a 20 dB out-of-band rejection, and the measured passband's minimum insertion loss is around −1.24 dB with 10.84% 3-dB bandwidth.
Relation:	Microwave and Optical Technology Lett., 49(4): 973-976
Appears in Collections:	[eedept] Periodical Articles

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