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Novel quadruple-mode, dual-mode and ...

Memarian, Mohammad.

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Novel quadruple-mode, dual-mode and dual-band dielectric resonator filters and multiplexers.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Novel quadruple-mode, dual-mode and dual-band dielectric resonator filters and multiplexers./
作者:	Memarian, Mohammad.
面頁冊數:	100 p.
附註:	Source: Masters Abstracts International, Volume: 48-03, page: 1769.
Contained By:	Masters Abstracts International48-03.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR56101
ISBN:	9780494561010

Novel quadruple-mode, dual-mode and dual-band dielectric resonator filters and multiplexers.
Memarian, Mohammad.

Novel quadruple-mode, dual-mode and dual-band dielectric resonator filters and multiplexers. - 100 p.

Source: Masters Abstracts International, Volume: 48-03, page: 1769.

Thesis (M.A.Sc.)--University of Waterloo (Canada), 2009.

Dielectric resonators offer high-Q (low loss) characteristics which make them ideal for filters with narrow bandwidth and low insertion loss specifications. They are mainly used in satellite and wireless system applications. Such applications desire the highest performance filters with the lowest amount of size and mass, which has been the main motivation for size reduction techniques invented over the past three decades for these filters. In addition with the emergence of different communication system technologies, several bands are now required to be supported by a single front-end, calling for emergence and development of dual-band and multi-band filters. To date few work has been done in the area of dual-band dielectric resonator filters. Dielectric resonators filters are important components in many communication systems, when a group of such filters are brought together to perform multiplexing of RF channels. These multiplexer systems tend to be fairly complex and bulky in design, and there is strong desire to reduce their size and mass to the maximum extent possible.

ISBN: 9780494561010Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Novel quadruple-mode, dual-mode and dual-band dielectric resonator filters and multiplexers.
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100 1 $a Memarian, Mohammad. $3 1669477
245 1 0 $a Novel quadruple-mode, dual-mode and dual-band dielectric resonator filters and multiplexers.
300 $a 100 p.
500 $a Source: Masters Abstracts International, Volume: 48-03, page: 1769.
502 $a Thesis (M.A.Sc.)--University of Waterloo (Canada), 2009.
520 $a Dielectric resonators offer high-Q (low loss) characteristics which make them ideal for filters with narrow bandwidth and low insertion loss specifications. They are mainly used in satellite and wireless system applications. Such applications desire the highest performance filters with the lowest amount of size and mass, which has been the main motivation for size reduction techniques invented over the past three decades for these filters. In addition with the emergence of different communication system technologies, several bands are now required to be supported by a single front-end, calling for emergence and development of dual-band and multi-band filters. To date few work has been done in the area of dual-band dielectric resonator filters. Dielectric resonators filters are important components in many communication systems, when a group of such filters are brought together to perform multiplexing of RF channels. These multiplexer systems tend to be fairly complex and bulky in design, and there is strong desire to reduce their size and mass to the maximum extent possible.
520 $a Novel quadruple-mode, dual-mode, and dual-band filters as well multiplexers are presented in this thesis. The first ever quadruple-mode dielectric resonator filter using the simple cylinder structure is reported in this work. A cylindrical dielectric resonator sized appropriately in terms of its diameter and height is shown to operate as a quadruple-mode resonator, which is achieved by having two mode pairs of the structure resonate at the same frequency. Single-cavity, quad-mode filters and higher order 4n-pole filters are realizable using this quad-mode cylindrical resonator, offering significant size reduction for dielectric resonator filter applications. The structure of the quad-mode cylinder is then simplified by cutting lengthwise along the central axis of the cylinder, to produce a half-cut cylinder suitable for operation in a dual-mode regime. Novel dual-mode, 2n-pole filters are realizable using this half-cut cylinder, by making the two resonances equal in frequency. The dualmode half-cut filter is shown to be a strong contender for replacing existing dual-mode filters used in satellite and wireless applications, as it offers superior size and mass characteristics.
520 $a By making the resonances unequal in frequency, novel dual-band filters and multiplexers are further realizable, by carrying separate frequency bands on different resonant modes of the structure. The first true orthogonal mode dual-band dielectric resonator is presented in this work, using the half-cut structure. Multiplexers are also derived from these dual-band resonators, which greatly reduce size and mass of many-channel multiplexers at the system level, as each two channels are overloaded in one physical branch.
590 $a School code: 1141.
650 4 $a Engineering, Electronics and Electrical. $3 626636
690 $a 0544
710 2 $a University of Waterloo (Canada). $3 1017669
773 0 $t Masters Abstracts International $g 48-03.
790 $a 1141
791 $a M.A.Sc.
792 $a 2009
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR56101