A Compact and Broadband Balun Based on Multilayer SIW

Jia, Mingran; Zhang, Jingwei; Dong, Yuandan

doi:10.1109/lmwc.2021.3118551

Cited by 8 publications

(3 citation statements)

References 21 publications

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“…T here has been very active research on substrate integrated waveguide solutions in recent years due to their manufacturing simplicity in printed circuit board (PCB) technology and low losses. Their applications span waveguiding structures [1], antennas [2], microwave circuits including power dividers [3,4], baluns [5,6], and filters [7]. There are also efforts to integrate them with electronics [8,9] for lower losses at higher frequencies.…”

Section: Introductionmentioning

confidence: 99%

A Simplified Extended Multilayer SIW Supporting TE<sub>01</sub> Mode Integrated with a Feeding Structure

Empliouk,

Kolitsidas,

Kyriacou

2024

PIER Letters

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In this letter, a TE01 operation of a multilayered Substrate Integrated Waveguide (SIW) is presented. To enable the propagation of this typically unsupported mode, the SIW is integrated with feeding layer and with an Electromagnetic Band Gap (EBG) structure, exciting and confining the field within the proposed waveguide structure. The EBG is simply stacked on top and bottom of the proposed structure, allowing for ease of manufacturing. The overall proposed structure is simulated and measured, and the results indicate very low insertion loss in the passband of the waveguide.

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Section: Introductionmentioning

confidence: 99%

A Simplified Extended Multilayer SIW Supporting TE<sub>01</sub> Mode Integrated with a Feeding Structure

Empliouk,

Kolitsidas,

Kyriacou

2024

PIER Letters

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“…Baluns are indispensable passive components in various wireless communication systems, allowing signal transformation between unbalanced and balanced ports [1,2,3]. Besides, diverse application scenarios often require baluns to cascade bandpass filters (BPFs) to select the wanted frequencies.…”

Section: Introductionmentioning

confidence: 99%

Design of compact and broadband filtering balun based on N-shaped spoof surface plasmon polaritons

Líu

2023

IEICE Electron. Express

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This paper presents a novel compact and broadband filtering balun using N-shaped spoof surface plasmon polaritons (SSPPs). The N-shaped SSPP unit cell's lateral size has a 48% reduction compared to the rectangle-shaped counterpart. The proposed filtering balun is constructed by periodically etching N-shaped and mode-matching SSPP unit cells into the slotline balun consisting of the microstrip-toslotline transition (MST) structures. The combination of the N-shaped SSPP unit cells and slotline balun realize the compactness and the broadband bandpass filtering response. Moreover, we can individually adjust the passband's lower and upper cut-off frequencies. Due to the larger phase constant of the N-shaped SSPP unit cell, the field-confined ability of the proposed filtering balun is enhanced. The proposed design is fabricated and measured. It has advantages in bandwidth, stopband performance, size, and degree of design freedom compared with existing SSPP filtering baluns.

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“…In recent years, coupled lines [3][4][5], stepped impedance resonators [6,7], hybrid cavity-microstrip [8], and other structures [9] have been used to design filtering balun. Based on this, double-sided parallel-strip lines [10,11], substrate-integrated defected ground structure [12], and some other structures [13] have been proposed to design the filtering balun with better performance. However, it is still a major challenge to design the filtering balun with excellent in-band performance, low radiation loss over a wide frequency range, compact size, and flexible integration.…”

Section: Introductionmentioning

confidence: 99%

Compact wideband filtering Balun Based on SISL Technology

Zhang

Zhou

Feng

et al. 2023

Int. J. Microw. Wireless Technol.

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A new compact wideband filtering balun based on substrate-integrated suspended line technology is presented in this brief. The proposed device is composed of a λg/4 suspended stripline open-circuited stub, a λg/2 suspended stripline resonator, and a λg/2 suspended slotline resonator. These striplines and slotline are encapsulated in an electromagnetic (EM) shielding box consisting of air cavity, surrounding substrate layers, and metal layers to achieve EM shielding performance. By properly exciting the suspended stripline and slotline resonators, three transmission poles are generated to achieve high frequency selectively. The intrinsic 180∘ phase difference between the two output ports can be obtained by using the electric field distribution caused by the perpendicular coupling between the suspension stripline and the slotline resonator. The wideband passband is achieved with magnitude balance and out-of-phase properties. To validate our proposal, a wideband filtering balun operating at 2.56 GHz with fractional bandwidth of 65.6% is designed and fabricated.

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A Compact and Broadband Balun Based on Multilayer SIW

Cited by 8 publications

References 21 publications

A Simplified Extended Multilayer SIW Supporting TE<sub>01</sub> Mode Integrated with a Feeding Structure

A Simplified Extended Multilayer SIW Supporting TE<sub>01</sub> Mode Integrated with a Feeding Structure

Design of compact and broadband filtering balun based on N-shaped spoof surface plasmon polaritons

Compact wideband filtering Balun Based on SISL Technology

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