Miniaturised equal/unequal SIW power divider with bandpass response loaded by CSRRs

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

doi:10.1049/el.2016.2203

Cited by 40 publications

(30 citation statements)

References 6 publications

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“…In this table, the advantages in size and insertion loss are very obvious. Moreover, the size of Reference is very large and Reference should be realized by a multilayer printed circuit board structure.…”

Section: Resultsmentioning

confidence: 99%

“…For symmetry reasons, the CSRRs loaded face‐to‐face oriented provide equal power dividing. Also, the proposed structure can obtain a power divider with different power division ratios by changing the orientations of the CSRRs and locations of the output ports . The CSRRs are modeled as a shunt‐connected LC resonator tank.…”

Section: Two‐way Hmsiw Power Dividermentioning

confidence: 99%

“…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%

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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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Section: Resultsmentioning

confidence: 99%

Section: Two‐way Hmsiw Power Dividermentioning

confidence: 99%

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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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“…, a bandpass filtering SIW power divider has been designed by loading CSRR. A miniaturized filtering SIW power divider has been presented to obtain the arbitrary power division ratios . In Ref.…”

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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“…Due to the need to meet the small size requirement of sub-6G portable devices, compact sub-6G filter design has become a hot research topic in recent years. Substrate integrated waveguides (SIWs) are widely used in RF (Radio Frequency) passive device designs due to their low loss and low cost and the flexibility of their integration properties, such as their filter [1][2][3][4][5][6], antenna [7][8][9], phase shifter [10][11][12][13][14], power divider [15][16][17][18], coupler [19][20][21][22], etc. However, SIW filters under 6 GHz are still too large to meet the requirement of portable communication devices because of their long wavelength.…”

Section: Introductionmentioning

confidence: 99%

A Compact 3.3–3.5 GHz Filter Based on Modified Composite Right-/Left-Handed Resonator Units

Zheng

et al. 2019

Electronics

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In the RF (Radio Frequency) front-end of a communication system, bandpass filters (BPFs) are used to send passband signals and reject stopband signals. Substrate-integrated waveguides (SIW) are widely used in RF filter designs due to their low loss and low cost and the flexibility of their integration properties. However, SIW filters under 6 GHz are still too large to meet the requirement of portable communication devices due to their long wavelength. In this paper, a very compact fully integrated SIW filter is proposed and designed with RT6010 dielectric material to meet the small size requirement of portable devices for next-generation sub-6 G applications. The proposed filter contains two sawtooth-shaped composite right-/left-handed (CRLH) resonator units, instead of traditional rectangular-shaped CRLH resonator units, which makes the filter more compact and cost effective. The filter is designed and fabricated on an RT6010 substrate, with a size of only 10 mm × 7.4 mm. The measurement results illustrated that the proposed BPF shows a passband covering the frequency range of 3.25–3.45 GHz; the minimum passband insertion loss is only 2.4 dB; the stopband rejection is better than −20 dB throughout the frequencies below 3.0 GHz and above 3.8 GHz; S11 is as low as −37 dB at 3.35 GHz; and the group delay variation is only 1.4 ns throughout the operation bandwidth.

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Miniaturised equal/unequal SIW power divider with bandpass response loaded by CSRRs

Cited by 40 publications

References 6 publications

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

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

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

A Compact 3.3–3.5 GHz Filter Based on Modified Composite Right-/Left-Handed Resonator Units

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