dc.contributor.authorWong, Sai Waien_US
dc.date.accessioned2011-12-23T09:59:10Z
dc.date.accessioned2017-07-23T08:33:44Z
dc.date.available2011-12-23T09:59:10Z
dc.date.available2017-07-23T08:33:44Z
dc.date.copyright2009
dc.date.issued2009
dc.identifier.citationWong, S. W. (2009). Ultra-wideband planar bandpass filters with improved stopband performances. Doctoral thesis, Nanyang Technological University, Singapore.
dc.identifier.urihttp://hdl.handle.net/10356/46830
dc.description169 p.en_US
dc.description.abstractThe objective of this PhD thesis is to propose various structures of multi-mode resonator (MMR) for innovative exploration of ultra-wideband (UWB) bandpass filters with improved upper-stopband performances. All the UWB filters developed in this thesis can be primarily divided into the four categories: lowpass embedded UWB bandpass filter, electromagnetic bandgap (EBG) embedded MMR bandpass filter, shunt short-circuit loaded UWB bandpass filter and notch-band UWB bandpass filter. These UWB bandpass filters had been designed towards achieving the FCC-regulated UWB frequency spectrum which required good performance in the UWB passband and high/deep rejection in the out-ofband. In addition to the filter performance, size miniaturization is also the major goal of my research work. To evidently prove the theoretical results of those proposed UWB filters, all of those filters were designed and fabricated on the dielectric substrate, namely, RT/Duroid 6010 with substrate thickness 0.635 mm and loss tangent 0.0023. The measured results were all matched with the simulated results over a wide frequency range.en_US
dc.rightsNanyang Technological Universityen_US
dc.subjectDRNTU::Engineering::Electrical and electronic engineeringen_US
dc.titleUltra-wideband planar bandpass filters with improved stopband performancesen_US
dc.typeThesisen_US
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.contributor.supervisorZhu Leien_US
dc.description.degreeDOCTOR OF PHILOSOPHY (EEE)en_US


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