Miniaturized filtering SIW power divider with arbitrary power-dividing ratio loaded by open complementary split-ring resonators

Danaeian, Mostafa; Moznebi, Ali‐Reza; Afrooz, Kambiz; Hakimi, Ahmad

doi:10.1017/s175907871700071x

Cited by 18 publications

(10 citation statements)

References 20 publications

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“…The traveling-wave loop DF is very compact and any number of traveling wave resonators can be utilized to obtain increased off-channel rejection between the input port and coupled port. Substrate integrated waveguide (SIW) is considered attractive for the microwave and millimeter-wave components due to the high quality factor, compact size, low cost, and easy integration with planar circuits [7–11]. In addition, a half mode substrate integrated waveguide (HMSIW) is a newly proposed planar structure keeping the advantages of SIW with a reduction to nearly half in size [12–14].…”

Section: Introductionmentioning

confidence: 99%

Compact SIW directional filter using substrate integrated circular cavities

Bayati

Khorand

2020

Int. J. Microw. Wireless Technol.

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In this paper, a novel directional filter (DF) is proposed and implemented using substrate integrated waveguide (SIW) technology which exhibits the advantages of compact size and simple structure. The proposed DF is realized by two half mode substrate integrated waveguides (HMSIWs) and two substrate integrated circular cavity (SICC) resonators operating in the TM110 degenerate modes in which an aperture is utilized to realize the coupling between HMSIWs and SICCs. Two slotlines with appropriate dimensions, etched on the top and bottom planes, are utilized in order to control coupling strength between two cascaded SICC resonators. The proposed two-circular cavity SIW DF at 12.3 GHz is designed and fabricated with a normal printed circuit board process. Measured and simulated results indicate that the DF has a 3.25% bandwidth, and the return loss as well as isolation are better than 10.5 and 15 dB, respectively.

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Section: Introductionmentioning

confidence: 99%

Compact SIW directional filter using substrate integrated circular cavities

Bayati

Khorand

2020

Int. J. Microw. Wireless Technol.

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“…, a SIW filtering power divider loaded with CSRR has been developed to achieve high selectivity and wide stopband response. The SIW power dividers have been realized by loading open complementary split ring resonator (OCSRR) to produce filter response and arbitrary power division ratio . Although relatively compact, wideband, and filtering power divider have been developed, the multiband characteristics of the SIW power divider yet to be investigated.…”

Section: Introductionmentioning

confidence: 99%

A novel SIW based dual‐band power divider using double‐circular complementary split ring resonators

Tharani

Barik

Karthikeyan

et al. 2019

Micro & Optical Tech Letters

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This article presents a novel design of substrate integrated waveguide (SIW) dual-band power divider loaded with double-circular complementary split-ring resonators (CSRRs). The double-circular CSRRs are etched on the top layer of the proposed structure to obtain the dual-band characteristic. The proposed geometry provides a passband frequency below the cut-off frequency of the SIW due to the electric dipole nature of the CSRRs. By changing the dimensions of the CSRRs, various passband characteristics are studied. To validate the design idea, a compact dual band power divider with equal power division operating at 8.4 and 11.7 GHz is designed, fabricated, and tested. A good steadiness is found between simulated and tested results. The proposed idea provides features of compact size, dual-band operation, and good isolation. The size of the fabricated prototype excluding microstrip transition is 0.473λ g × 0.284λ g , where λ g is the guided wave length at the center frequency of first band. K E Y W O R D S complementary split-ring resonator, dual-band, power divider, substrate integrated waveguide

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“…The main drawback of this circuit is that it requires multilayer realization. Two‐way SIW power dividers with CSRR unit cells previously proposed in References and . However, the size of them can be reduced greatly further by using the HMSIW structure.…”

Section: Introductionmentioning

confidence: 99%

“…The power divider is one of the key passive components in millimeter‐wave and microwave systems . Several compact SIW and HMSIW power dividers have been studied in References . In Reference , a four‐way power divider is introduced by integrating the SIW power divider and HMSIW power divider.…”

Section: Introductionmentioning

confidence: 99%

Ultracompact two‐way and four‐way SIW/HMSIW power dividers loaded by complementary split‐ring resonators

Moznebi

Danaeian

Zarezadeh

et al. 2019

Int J RF Microw Comput Aided Eng

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In this paper, two ultracompact power dividers based on the substrate integrated waveguide (SIW) and half‐mode SIW (HMSIW) technologies loaded by complementary split‐ring resonators (CSRRs) are presented. The presented structures are designed based on the theory of evanescent mode propagation. To obtain a size reduction, the CSRR unit cells are etched on the metallic surface of the SIW and HMSIW structures. First, a two‐way HMSIW power divider is reported. In this circuit, the concept of HMSIW is utilized aiming at a further size reduction in addition to the size reduction by the CSRR unit cells. Then, a four‐way SIW power divider is designed so that the direct coaxial feed is used for the input port and microstrip transmission lines are used for the output ports. Both two‐way and four‐way SIW/HMSIW power dividers at 5.8 GHz covering WLAN are designed, fabricated, and measured. They respectively have 0.18 × 0.21 λg2 and 0.38 × 0.21 λg2 total size. A fair agreement between simulated and measured results is achieved. The measured insertion losses are 0.5 ± 0.5 and 0.6 ± 0.5 dB for the two‐way and four‐way SIW/HMSIW power dividers, respectively, in the operating band of interest.

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Miniaturized filtering SIW power divider with arbitrary power-dividing ratio loaded by open complementary split-ring resonators

Cited by 18 publications

References 20 publications

Compact SIW directional filter using substrate integrated circular cavities

Compact SIW directional filter using substrate integrated circular cavities

A novel SIW based dual‐band power divider using double‐circular complementary split ring resonators

Ultracompact two‐way and four‐way SIW/HMSIW power dividers loaded by complementary split‐ring resonators

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