A New Class of Waveguide Dual-Mode Filters Using TM and Nonresonating Modes

Bastioli, Simone; Tomassoni, Cristiano; Sorrentino, R.

doi:10.1109/tmtt.2010.2086068

Cited by 108 publications

(67 citation statements)

References 14 publications

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“…The basic idea of folded SIW is to reduce the footprint by folding the structure around a metal septum [8]. This solution allows reducing the footprint of the structure by a factor two.…”

Section: Folded Siw Cavitymentioning

confidence: 99%

“…High performance components in terms of losses are usually realized by using waveguide technology. A lot of effort has been devoted to mass and weight reduction for this technology [8]- [11], even in combination with high dielectric materials [12], [13]. The main problems remain their integrability.…”

Section: Introductionmentioning

confidence: 99%

“…While using dielectric substrates with high permittivity allows reducing interconnect and cavity size, it has typically a detrimental effect on losses, and consequently it leads to poor quality factors. For this reason, several solutions have been proposed to reduce the size of SIW structures, including the substrate integrated folded waveguide [8] and the half-mode substrate integrated waveguide [15]. This paper presents an overview of recent achievements in the implementation of novel SIW cavity filters for IoT applications, with particular emphasis on the miniaturization and the use of new materials.…”

Section: Introductionmentioning

confidence: 99%

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Substrate Integrated Waveguide Cavity Filters: Miniaturization and New Materials for IoT Applications

Tomassoni¹,

Bozzi²

2017

RADIOENGINEERING

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“…The basic idea of folded SIW is to reduce the footprint by folding the structure around a metal septum [8]. This solution allows reducing the footprint of the structure by a factor two.…”

Section: Folded Siw Cavitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Substrate Integrated Waveguide Cavity Filters: Miniaturization and New Materials for IoT Applications

Tomassoni¹,

Bozzi²

2017

RADIOENGINEERING

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“…An efficient approach to achieve size reduction of waveguide filters came with successful implementations of dual-mode filters [1], which reduce the number of required resonators by half. Recent examples of these filters include [2] - [3] exploiting the use of TM modes instead of TE modes to reduce cavity lengths, and [4] introducing steps to suppress spurious modes in wider frequency ranges. Nevertheless, currently available dual mode filters have disadvantages in terms of high design complexity, as well as having time consuming and costly production.…”

Section: Introductionmentioning

confidence: 99%

Ultra Compact Inline <inline-formula> <tex-math notation="LaTeX">$E$ </tex-math> </inline-formula>-Plane Waveguide Bandpass Filters Using Cross Coupling

Mohottige

Glubokov

Jankovic

et al. 2016

IEEE Trans. Microwave Theory Techn.

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obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.The WestminsterResearch online digital archive at the University of Westminster aims to make the research output of the University available to a wider audience. Copyright and Moral Rights remain with the authors and/or copyright owners.Whilst further distribution of specific materials from within this archive is forbidden, you may freely distribute the URL of WestminsterResearch: ((http://westminsterresearch.wmin.ac.uk/).In case of abuse or copyright appearing without permission e-mail repository@westminster.ac.uk  Abstract-This paper presents novel ultra-compact waveguide bandpass filters that exhibit pseudo-elliptic responses with ability to place transmission zeros on both sides of the passband to form sharp roll-offs. The filters contain E-plane extracted pole sections cascaded with cross-coupled filtering blocks. Compactness is achieved by the use of evanescent mode sections and closer arranged resonators modified to shrink in size. The filters containing non-resonating nodes are designed by means of the generalized coupling coefficients (GCC) extraction procedure for the cross-coupled filtering blocks and extracted pole sections. We illustrate the performance of the proposed structures through the design examples of a third and a fourth order filters with center frequencies of 9.2 GHz and 10 GHz respectively. The sizes of the proposed structures suitable for fabricating using the low-cost E-plane waveguide technology are 38% smaller than ones of the E-plane extracted pole filter of the same order.

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“…Thus, the number of resonators required for a given degree of filter is reduced to half, resulting in a compact filter configuration. There are dual-mode filters based on waveguide or metal cavity with excellent performance [1,2]. However, the design suffers disadvantages such as being bulky, costly and difficult to fabricate, etc.…”

Section: Introductionmentioning

confidence: 99%

Miniaturized Substrate Integrated Waveguide Dual-Mode Filters Loaded by a Series of Cross-Slot Structures

Chen

Jiao²,

Zhang³

et al. 2012

PIER C

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Abstract-A family of miniaturized substrate integrated waveguide (SIW) dual-mode filters with a series of cross-slot structures etched on the waveguide surface are investigated and presented. By introducing the series of cross-slot structures: pure cross-slot, T-shaped loaded cross-slot and H-shaped loaded cross-slot in original dual-mode SIW filters, size reductions of 22.15%, 30.56% and 56.25% are achieved, respectively. Moreover, the proposed family of SIW dual-mode filters can produce two controllable transmission zeros. Compared with SIW dual-mode filters in references and original filter, proposed filters exhibit compact size while retain good performance of bandwidth and minimum insertion loss. To verify the presented design, three SIW dual-mode filters are fabricated on the standard printed circuit board process. The measured results are in good agreement with the simulation.

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A New Class of Waveguide Dual-Mode Filters Using TM and Nonresonating Modes

Cited by 108 publications

References 14 publications

Substrate Integrated Waveguide Cavity Filters: Miniaturization and New Materials for IoT Applications

Substrate Integrated Waveguide Cavity Filters: Miniaturization and New Materials for IoT Applications

Ultra Compact Inline <inline-formula> <tex-math notation="LaTeX">$E$ </tex-math> </inline-formula>-Plane Waveguide Bandpass Filters Using Cross Coupling

Miniaturized Substrate Integrated Waveguide Dual-Mode Filters Loaded by a Series of Cross-Slot Structures

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