Novel Miniaturized Self-Packaged Filters Based on Metasubstrate in SISL Platform

Ding, Yu; Ma, Kaixue; Wang, Yongqiang; Yan, Ningning; Wu, Yi; Feng, Feng

doi:10.1109/tcsii.2023.3251739

Cited by 4 publications

(3 citation statements)

References 20 publications

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“…Its wider cross-section, when compared to a microstrip or coplanar line, results in lower current densities in the circuits and lower electric-field strength in the dielectric, thereby achieving low losses. In recent years, the SISL technique has been widely proposed and used for the design of microwave circuits with enhanced performance [1][2][3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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Self‐packaged MISL‐based miniaturized high Q factor bandpass filter

Ma,

Lin,

2024

Electronics Letters

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This paper proposes a technique named self‐packaged metal integrated suspended line (MISL) to design a high Q factor bandpass filter (BPF). This unique construction simplifies the traditional suspended stripline and substrate integrated suspended line configuration and creates a loss‐reduced structure, allowing for the implementation of high Q‐factor circuits. To demonstrate the advantages of the MISL platform, the shorted 3D metal stepped impedance resonators are first investigated using a miniaturized prototype based on this novel platform. Subsequently, a third‐order BPF based on MISL technology is designed, fabricated, and characterized. The fabricated BPF exhibits a minimum insertion loss (IL) of 0.31 dB, with centre frequencies of 5.88 GHz and 3‐dB fractional bandwidths of 19.8%, respectively.

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Section: Introductionmentioning

confidence: 99%

“…The measured results demonstrate less than 1 dB attenuation in the wide frequency range. In [5], the concept of meta-substrate is proposed to develop tiny self-packaged hairpin BPFs. In [6], based on SISL technology, a compact dual-band BPF with a configurable multimode resonator is built and implemented.…”

Section: Introductionmentioning

confidence: 99%

Self‐packaged MISL‐based miniaturized high Q factor bandpass filter

Ma,

Lin,

2024

Electronics Letters

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“…In the experiments and practical system application, the RF device made of a microstrip line needs to be packaged with the metal box, and the loss of the packaged microstrip line device increases. To overcome these shortcomings, many efficient SISL devices are proposed [20,21,22,23,24,25,26,27]. By using SISL, the electromagnetic shielding performance of RF devices is achieved.…”

Section: Introductionmentioning

confidence: 99%

A wideband and self-packaged D-CRLH diplexer based on substrate-integrated suspended line

Yan

2023

IEICE Electron. Express

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This letter presents a new microstrip diplexer with selfpackaged and wide bandwidth based on substrate-integrated suspended line (SISL) technology. Diplexer consists of D-CRLH filters which include mixed coupling. The electromagnetic interaction is canceled out in the filter, generating two transmission zeros and giving the filter good stopband suppression. Diplexer utilizes a T-junction to make filters work in parallel. Each channel filter can be individually controlled. To validate the proposal, a diplexer operating at 1.88 GHz and 2.64GHz with fractional bandwidth (FBW) of 14.6% and 19.1% is designed and fabricated. A good agreement is perceived between measured and simulated.

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Analysis and design of compact dual-mode bandpass filter based on modified CSRR with wide stopband for 5G sub-6 GHz mobile communications

Boufouss,

Najid

2024

Eng. Res. Express

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In this paper, a dual-mode bandpass filter with a wide stopbandbased on modified complementary split-ring resonators for 5G sub-6 GHz mobilecommunications is presented. The non-magnetic resonant particle known as acomplimentary split ring resonator is used with a host microstrip line with a series gapin order to obtain a bandpass response. Since a complementary split-ring resonatorprovides a narrow passband, a T-slot has been introduced in the middle of thisresonator to obtain dual-mode behavior with controllable bandwidth. Moreover, apair of stubs are added to the host microstrip line in order to achieve a wide stopbandwith good out-of-band rejection. The proposed resonator is analyzed, and a bandpassfilter is designed to operate at 3.6 GHz to cover the 5G band from 3.4 to 3.8 GHz.The results show that the filter has a low insertion loss, good return loss, and a widestopband up to 9 GHz with a compact size since its resonator offers a size of 0.1 λg × 0.14 λg where λg is the guided wavelength at 3.6 GHz.

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Novel Miniaturized Self-Packaged Filters Based on Metasubstrate in SISL Platform

Cited by 4 publications

References 20 publications

Self‐packaged MISL‐based miniaturized high Q factor bandpass filter

Self‐packaged MISL‐based miniaturized high Q factor bandpass filter

A wideband and self-packaged D-CRLH diplexer based on substrate-integrated suspended line

Analysis and design of compact dual-mode bandpass filter based on modified CSRR with wide stopband for 5G sub-6 GHz mobile communications

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