National Changhua University of Education Institutional Repository : Item 987654321/10284

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NCUEIR > College of Engineering > eedept > Periodical Articles > Item 987654321/10284

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10284

Title:	The Design of a Compact Quasi-Elliptic Filter Using Stepped Impedance Resonators with Harmonic Suppression
Authors:	Chen, Yu-Wei;Ho, Min-Hua;Liu, Yen-Ju
Contributors:	電子工程學系
Keywords:	Quasi-elliptic;Compact design;Quarter-wavelength;Harmonic suppression
Date:	2007-04
Issue Date:	2012-05-22T06:26:45Z
Publisher:	Wiley
Abstract:	A bandpass filter is designed at 2.4 GHz using two end-connected quarter-wavelength stepped impedance resonators. The quarter-wavelength stepped impedance resonators having one end shorted are formed by a half-wavelength stepped impedance resonator with its middle shorting to ground. The modes that the shorted-end λ/4 stepped impedance resonator supports are the (1 + 2n)/4. An enhanced U-shape coupling feed is adopted in the filter design to reduce the insertion losses as well as to suppress the first higher harmonic. A dual-path design is implemented in the proposed filter to create a quasi-elliptic frequency response. The equivalent circuit model is developed and the experiments are conducted for circuit design verification.
Relation:	Microwave and Optical Technology Lett., 49(4): 800-804
Appears in Collections:	[eedept] Periodical Articles

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