Wideband Microstrip Bandpass Filter Based on EBG Concept(<Special Section>Recent Technologies for Microwave and Millimeter-wave Passive Devices)

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概要

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• A periodically loaded ultra wideband (UWB) bandpass filter based on the electromagnetic band-gap (EBG) concept is presented. Compact wideband filters with steep transition bands can be designed easily using this novel methodology. Unit cells in the EBG circuit model are realized by capacitive and inductive parallel loading of a transmission line. These unit cells are cascaded to realize bandpass filters whose bandwidth depends on the reactive loading of unit cells. The number of unit cells determines the steepness of the band edges of the filter. The main advantage lies in the fact that the size of unit cells can be small because electrical length of transmission line segments in unit cells can be chosen arbitrarily, hence the final filter structure becomes small in size. A microstrip filter with 60% bandwidth is designed and the physical size is compared with a conventional wideband bandpass filter designed with quarter wavelength admittance inverters.

• 社団法人電子情報通信学会の論文
• 2007-12-01

著者

• Jayatilaka Himal

  Trlabs And The University Of Saskatchewan

• KLYMYSHYN David

  TRLabs and the University of Saskatchewan

• Klymyshyn David

  Trlabs And The Department Of Electrical Engineering University Of Saskatchewan

関連論文

• The LINT Modulator : Linear Modulation with Nonlinear Translation(Special Issue on Low-Distortion, High-Power, High-Efficiency Active Device and Circuit Technology)
• Wideband Microstrip Bandpass Filter Based on EBG Concept(Recent Technologies for Microwave and Millimeter-wave Passive Devices)
• An Ultra-Deep High-Q Microwave Cavity Resonator Fabricated Using Deep X-Ray Lithography(Recent Technologies for Microwave and Millimeter-wave Passive Devices)

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