Dual-Band Substrate Integrated Waveguide Filters With Perturbed Circular Cavity

Yang, Xian‐Long; Zhu, Xiao‐Wei; Wang, Xiang

doi:10.1109/lmwc.2021.3125098

Cited by 21 publications

(11 citation statements)

References 10 publications

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“…As the electric field distributions of multiple resonant modes illustrated in Fig. 14, single-ended or balanced SIW dual-band BPFs [121], [122], [123], [124] were successfully developed based on merely one perturbed SIW square [121] or circular [122], [123], [124] cavity by grouping those modes into two clusters. Two perturbed quintuple-mode SIW circular cavities were also cascaded in [123] to produce a high-performance dualband BPF, and its coupling topology is shown in Fig.…”

Section: F Activities Based On Single Multimode-resonator Schemementioning

confidence: 99%

Substrate Integrated Waveguide Multiband Bandpass Filters and Multiplexers: Current Status and Future Outlook

Zhou

2023

IEEE J. Microw.

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Multiband bandpass filters (BPFs) and multiplexers are essential front-end modules in the development of multifunction, multistandard, and multiband wireless communication, sensing, and positioning systems that are required in current and future intelligent electronics applications. In this paper, numerous implementation schemes and topologies of multiband BPFs and multiplexers, which have been proposed, studied, and developed so far, are holistically summarized and elaborated in terms of their merits and drawbacks. Subsequently, various technical approaches and diverse design methodologies based on substrate integrated waveguide (SIW) technology are thoroughly examined and reviewed with respect to technical features, electrical performances, and practical applications. Finally, future research and development directions and prospects of SIW multiband BPFs and multiplexers are briefly unraveled.

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Section: F Activities Based On Single Multimode-resonator Schemementioning

confidence: 99%

Substrate Integrated Waveguide Multiband Bandpass Filters and Multiplexers: Current Status and Future Outlook

Zhou

2023

IEEE J. Microw.

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“…A comparison of filters reported in references and in this work is summarized in Table 1. The SIW filters in Yang et al 7 and Zhu et al 8 suffer from high loss even with large bandwidth. Excellent performances are observed in dual‐mode filters in Zhou et al, 9 Bastioli et al, 10 and Tomassoni et al, 11 but the assembly errors in Bastioli et al 10 and Tomassoni et al 11 are a major problem in millimeter‐wave applications.…”

Section: Filter Design and Fabricationmentioning

confidence: 99%

“…A great many microstrips and SIW multimode/band filters are studied to realize the flexible response due to the structural flexibility 6,7 . Research on traditional metallic waveguide multimode/band filters is also conducted to achieve the desired performance 8–11 .…”

Section: Introductionmentioning

confidence: 99%

“…A great many microstrips and SIW multimode/band filters are studied to realize the flexible response due to the structural flexibility. 6,7 Research on traditional metallic waveguide multimode/band filters is also conducted to achieve the desired performance. [8][9][10][11] However, the technology in these papers is difficult to be applied in aircraft and spacecraft millimeter-wave systems, not only because of the cost and weight issues mentioned earlier but also because of the potential assembly errors of the waveguide blocks.…”

Section: Introductionmentioning

confidence: 99%

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Compact filters based on dual‐mode gap waveguide cavities and 3D printing technology

Shu

Yang

et al. 2022

Micro & Optical Tech Letters

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The design of compact dual‐mode/band filters based on gap waveguide and 3D printing technology is presented in this paper. The spatial power divider is designed to arrange the external coupling. And the multi‐slot middle plate is devised to manage the coupling between the dual‐mode cavities, introducing the non‐resonating modes to produce additional transmission zeros and improving the selectivity. Moreover, the dual‐mode/band filters structure are built up and optimized for 3D printing technology. Finally, the fabricated filters are measured to verify the design.

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“…[6] negative coupling is achieved by using TE 102 mode, but the volume is doubled. One of present hotspots is design and synthesize dual-mode or multi-mode substrate integrated waveguide (SIW) filters in square cavities, 7,8 or circular cavities 9 by employing via perturbation for compactness. However it is difficult to control coupling coefficient by cascading two dual-mode 7,[10][11][12] or multi-mode 9 SIW cavities, which leads to great challenges in filter synthesis and design.…”

mentioning

confidence: 99%

A sixth‐order SIW bandpass filter based on combining single‐ and dual‐mode cavities with high selectivity at Ka‐band

Zhang

Zhu

Yang

et al. 2022

Int J RF Mic Comp-Aid Eng

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In this paper, a novel substrate integrated waveguide quasi‐elliptic bandpass filter is proposed by combining single‐ and dual‐mode cavities. Two single‐mode cavities with TE101 mode are directly coupled to the dual‐mode resonance cavity which employs a pair of disturbing metallic via‐holes to make the resonant points of TE101 and TE102 mode in one passband. Based on the conventional box‐like topology, two additional single cavities are used to achieve wider bandwidth and simplify the design difficulty. In addition to two transmission zeros (TZs) realized by the cross‐coupling technology, nonreasoning node will generate an additional TZ at a higher frequency to improve the upper stopband performance. Finally, a sixth‐order filter, having the passband frequency of 24.25–27.5 GHz for 5G application, with three TZs, is simulated, fabricated and measured to demonstrate and verify the proposed structure. The test results show the insertion loss is 1.7 and 3 dB bandwidth is 3.37 GHz. The three TZs improve out of band rejection of the filter.

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Dual-Band Substrate Integrated Waveguide Filters With Perturbed Circular Cavity

Cited by 21 publications

References 10 publications

Substrate Integrated Waveguide Multiband Bandpass Filters and Multiplexers: Current Status and Future Outlook

Substrate Integrated Waveguide Multiband Bandpass Filters and Multiplexers: Current Status and Future Outlook

Compact filters based on dual‐mode gap waveguide cavities and 3D printing technology

A sixth‐order SIW bandpass filter based on combining single‐ and dual‐mode cavities with high selectivity at Ka‐band

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