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Bücher Englische Bücher Wissen & Bildung Naturwissenschaft, Medizin, Informatik, Technik Technik Elektronik, Elektro- und Nachrichtentechnik Microwave Bandpass Filters for Wideband Communications
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Microwave Bandpass Filters for Wideband Communications
Lei Zhu (Gebundene Ausgabe, Englisch)
★★★★★
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Optischer Zustand
Beschreibung
This book will appeal to scientists and engineers who are concerned with the design of microwave wideband devices and systems. For advanced (ultra)-wideband wireless systems, the necessity and design methodology of wideband filters will be discussed with reference to the inherent limitation in fractional bandwidth of classical bandpass filters. Besides the detailed working principles, a large… number of design examples are demonstrated, which can be easily followed and modified by the readers to achieve their own desired specifications. Therefore, this book is of interest not only to students and researchers from academia, but also to design engineers in industry. With the help of complete design procedures and tabulated design parameters, even those with little filter design experience, will find this book to be a useful design guideline and reference, which can free them from tedious computer-aided full-wave electromagnetic simulations. Among different design proposals, wideband bandpass filters based on the multi-mode resonator have demonstrated many unparalleled attractive features, including a simple design methodology, compact size, low loss and good linearity in the wide passband, enhanced out-of-band rejection, and easy integration with other circuits/antennas. A conventional bandpass filter works under single dominant resonant modes of a few cascaded transmission line resonators and its operating bandwidth is widened via enhanced coupling between the adjacent resonators. However, this traditional approach needs an extremely high coupling degree of coupled-lines while producing a narrow upper stopband between the dominant and harmonic bands. As a sequence, the desired dominant passband is restricted to an extent less than 60% in fractional bandwidth. To circumvent these issues and break with the tradition, a filter based on the multiple resonant modes was initially introduced in 2000 by the first author of this book. Based on this novel concept, a new class of wideband filters with fractional bandwidths larger than 60% has been successfully developed so far. This book, presents and characterizes a variety of multi-mode resonators with stepped-impedance or loaded-stub configurations using the matured transmission line theory for development of advanced microwave wideband filters. Dieses Produkt haben wir gerade leider nicht auf Lager.
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Technische Daten
Erscheinungsdatum
09.03.2012
Sprache
Englisch
EAN
9780470876619
Herausgeber
John Wiley & Sons
Serien- oder Bandtitel
Wiley Series in Microwave and Optical Engineering
Sonderedition
Nein
Autor
Lei Zhu
Seitenanzahl
240
Einbandart
Gebundene Ausgabe
Autorenporträt
LEI ZHU, PhD, is Associate Professor at the School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore. Dr. Zhu was the first to introduce an MMR-based filter in 2000, which has since spurred the successful development of a new class of wideband filters with fractional bandwidths larger than 60 percent.
SHENG SUN, PhD, is Research Assistant Professor in the Department of Electrical and Electronic Engineering at The University of Hong Kong.
RUI LI, PhD, is a Research Fellow in the Interconnection and Advanced Packaging Program at Singapore's Institute of Microelectronics. She was the recipient of both the NTU Research and the Ministry of Education Scholarships in Singapore.
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