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Coplanar Stripline Structures for Balanced Microwave Filters with Intrinsic Common-Mode Suppression.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Coplanar Stripline Structures for Balanced Microwave Filters with Intrinsic Common-Mode Suppression.
Author:	Ouyang, Zhaoan.
Published:	Ann Arbor : ProQuest Dissertations & Theses, 2022
Description:	188 p.
Notes:	Source: Dissertations Abstracts International, Volume: 84-01, Section: B.
Notes:	Advisor: Zhu, Lei.
Contained By:	Dissertations Abstracts International84-01B.
Subject:	Electrical engineering.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29255401
ISBN:	9798834028666

Coplanar Stripline Structures for Balanced Microwave Filters with Intrinsic Common-Mode Suppression.
Ouyang, Zhaoan.

Coplanar Stripline Structures for Balanced Microwave Filters with Intrinsic Common-Mode Suppression. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 188 p.

Source: Dissertations Abstracts International, Volume: 84-01, Section: B.

Thesis (Ph.D.)--University of Macau, 2022.

This item must not be sold to any third party vendors.

Fully-balanced trend has become popular and drawn more and more extensive attention, mainly attributed to its enhanced immunity to the environmental noises/crosstalk. Balanced filters with improved functionalities are always highly desirable, particularly those with the intrinsic common-mode (CM) suppression which is extremely convenient for independent designing of differential-mode (DM) bandpass filter (BPF), e.g., as described as the proposed coplanar stripline (CPS) - based ones in this thesis. Therefore, the objective of this thesis is to propose and to develop a series of advanced CPS-based structures and further investigate their applications in microwave balanced modules/circuits with intrinsic CM suppression. Firstly, a kind of quasi-lumped CPS-based series resonators has been proposed with its inherent resonant characteristic. Its enlarged inductance and capacitance could be intuitively constructed by means of several variants. A second-order balanced filter is finally designed, confirming the quasi-lumped models and intrinsic CM suppression.  Secondly, two types of CPS series-stub structures have been validated by a singleor a pair of dual-stub loading. Their desired resonant performances are satisfactorily achieved against the conventional dual-series-stub counterparts. Consequently, several wideband BPFs are in proper synthesis design, offering enhanced CPS-resonant robustness, reduced radiation loss, and flexible operating bandwidths.  Thirdly, two CPS-based double-sided shunt stub structures have been put forward to prevent the enforced utilization of widen strips/gaps or extra air bridges. Circuit models for these shunt-stub structures are in detail investigated, so that one fifth- and one seventh-order balanced filters are successfully formed up with wideband DM filtering and intrinsic CM suppression, simultaneously. Fourthly, a class of wideband balanced-to-balanced microstrip-to-CPS transitions have been proposed with intrinsic CM suppression. With an effective experimental deem bedding approach, one third- and two distinctive fifth-order transitions are numerically extracted as a single component rather than an entire back-to-back one. These transitions are well characterized with their wideband balanced-type topologies, efficient synthesis design, and well-verified experimental de-embedding. At last, two CPS-based multiple-mode resonators along with their broadside coupling sections have been studied mutually in duality. Furthermore, the constituted balanced filters are theoretically and experimentally verified with the help of the above-described transitions, firmly demonstrating that they indeed feature in multiple mode DM resonance and intrinsic CM suppression.

ISBN: 9798834028666Subjects--Topical Terms:

454503
Electrical engineering.
Subjects--Index Terms:

Microwave filters

Coplanar Stripline Structures for Balanced Microwave Filters with Intrinsic Common-Mode Suppression.
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500 $a Source: Dissertations Abstracts International, Volume: 84-01, Section: B.
500 $a Advisor: Zhu, Lei.
502 $a Thesis (Ph.D.)--University of Macau, 2022.
506 $a This item must not be sold to any third party vendors.
520 $a Fully-balanced trend has become popular and drawn more and more extensive attention, mainly attributed to its enhanced immunity to the environmental noises/crosstalk. Balanced filters with improved functionalities are always highly desirable, particularly those with the intrinsic common-mode (CM) suppression which is extremely convenient for independent designing of differential-mode (DM) bandpass filter (BPF), e.g., as described as the proposed coplanar stripline (CPS) - based ones in this thesis. Therefore, the objective of this thesis is to propose and to develop a series of advanced CPS-based structures and further investigate their applications in microwave balanced modules/circuits with intrinsic CM suppression. Firstly, a kind of quasi-lumped CPS-based series resonators has been proposed with its inherent resonant characteristic. Its enlarged inductance and capacitance could be intuitively constructed by means of several variants. A second-order balanced filter is finally designed, confirming the quasi-lumped models and intrinsic CM suppression.  Secondly, two types of CPS series-stub structures have been validated by a singleor a pair of dual-stub loading. Their desired resonant performances are satisfactorily achieved against the conventional dual-series-stub counterparts. Consequently, several wideband BPFs are in proper synthesis design, offering enhanced CPS-resonant robustness, reduced radiation loss, and flexible operating bandwidths.  Thirdly, two CPS-based double-sided shunt stub structures have been put forward to prevent the enforced utilization of widen strips/gaps or extra air bridges. Circuit models for these shunt-stub structures are in detail investigated, so that one fifth- and one seventh-order balanced filters are successfully formed up with wideband DM filtering and intrinsic CM suppression, simultaneously. Fourthly, a class of wideband balanced-to-balanced microstrip-to-CPS transitions have been proposed with intrinsic CM suppression. With an effective experimental deem bedding approach, one third- and two distinctive fifth-order transitions are numerically extracted as a single component rather than an entire back-to-back one. These transitions are well characterized with their wideband balanced-type topologies, efficient synthesis design, and well-verified experimental de-embedding. At last, two CPS-based multiple-mode resonators along with their broadside coupling sections have been studied mutually in duality. Furthermore, the constituted balanced filters are theoretically and experimentally verified with the help of the above-described transitions, firmly demonstrating that they indeed feature in multiple mode DM resonance and intrinsic CM suppression.
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653 $a Common-mode suppression
653 $a Coplanar stripline structures
653 $a Circuit models
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710 2 $a University of Macau. $b Electrical and Computer Engineering. $3 942480
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