Bandpass filter based on complementary split ring resonators at X-band

Furqan, Furqan; Attamimi, Said; Adriansyah, Andi; Alaydrus, Mudrik

doi:10.11591/ijeecs.v13.i1.pp243-248

Cited by 8 publications

(6 citation statements)

References 12 publications

(15 reference statements)

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“…As per the design modelling of SIW given in [15], the corresponding resonant frequency, fc(TE10) for SIW is used to determine the width of SIW, Weff. The width of SIW power divider and SIW coupler, Weff is determined by the mathematical expression (1) and (2):…”

Section: Figure 1 Topology Of the Six-portmentioning

confidence: 99%

A Ku-Band SIW six-port

Siang

Ibrahim

Karim

et al. 2020

IJEECS

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This paper shows a compact fully integrated six-port Substrate Integrated Waveguide (SIW) operating at Ku-Band frequency range. The SIW six-port is formed by combining two SIW power dividers and two SIW couplers, having the benefit of no additional termination is required as this topology has no excessive port. To achieve the optimized design of the six-port, both of the key components; power divider and coupler are primarily designed, fabricated, and measured individually. Y-junction topology is employed on the power divider structure to achieve a compact size. In turn, the coupling coefficient of the two output ports of the SIW coupler are improved by shifting the position of a row of several vias located at the side wall center closer to the side wall. The simulated six port performance provides an advantage of wide bandwidth within Ku-Band across 13 to 17 GHz with a return loss better than 12 dB and transmission coefficient of 7±1.5 dB. The simulated and measured results show good agreement thus validating the prototype. The SIW six-port can find its application in designing a six-port.

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Section: Figure 1 Topology Of the Six-portmentioning

confidence: 99%

A Ku-Band SIW six-port

Siang

Ibrahim

Karim

et al. 2020

IJEECS

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“…Complimentary split ring resonator (CSRR) can be categorized as metamaterial structure, has been analyzed in [8]- [10] to give compact and sharp rejection besides DGS [11]. In [8], several CSRR is used to form stopband with very sharp rejection in wideband.…”

Section: Introductionmentioning

confidence: 99%

“…In [8], several CSRR is used to form stopband with very sharp rejection in wideband. The internal and external coupling are extracted by Qfactor in the dominant mode at [9], [10]. Unlike the conventional SIWs, the passbass located below the dominant frequency.…”

Section: Introductionmentioning

confidence: 99%

Substrate integrated waveguide bandpass filter for short range device application using rectangular open loop resonator

Astuti

Putra

Muslim

et al. 2021

IJECE

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The substrate integrated waveguide (SIW) structure is the candidate for many application in microwave, terahertz and millimeter wave application. It because of SIW structure can integrate with any component in one substrate than others structure. A kind components using SIW structure is a filter component, especialy bandpass filter. This research recommended SIW bandpass filter using rectangular open loop resonator for giving more selectivity of filter. It can be implemented for short range device (SRD) application in frequency region 2.4 - 2.483 GHz. Two types of SIW bandpass filter are proposed. First, SIW bandpass filter is proposed using six rectangular open loop resonators while the second SIW bandpass filter used eight rectangular open loop resonators. The simulation results for two kinds of the recommended rectangular open loop resonators have insertion loss (S21 parameter) below 2 dB and return loss (S11 parameter) more than 10 dB. Fabrication of the recommended two kind filters was validated by Vector Network Analyzer. The measurement results for six rectangular open loop resonators have 1.32 dB for S21 parameter at 2.29 GHz while the S11 parameter more than 18 dB at 2.26 GHz – 2.32 GHz. While the measurement results has good agreement for eight rectangular open loop resonators. Its have S21 below 2.2 dB at 2.41 – 2.47 GHz and S11 16.27 dB at 2.38 GHz and 11.5 dB at 2.47 GHz.

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“…It is well-known a ring topology may produce high performance bandpass filter with high selectivity [19][20][21][22][23]. Hence, in this work, a single square ring resonator is introduced as a base cell which employs quarter-wavelength coupled-lines, coupled at the input and output of the ring lines.…”

Section: Introductionmentioning

confidence: 99%

Closed-loop ring resonator topology for bandpass filter applications

Wahab

Tan

Hushim

2020

IJEECS

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This paper presents a single mode pseudo-elliptic bandpass resonator based on closed-loop ring topology. The resonator is built from six quarter wavelength transmission lines to form a square closed-loop ring structure. This structure creates transmission zeros at the lower and upper sidebands so that high selectivity bandpass filter response is achieved. The advantage of this topology is that the design is less complex since no perturbation is needed on the ring lines for creation of transmission zeros. Higher-order filters can be constructed by introducing quarter-wavelength coupled-lines, coupled at both input and output of the closed-loop ring resonator. For proof of concept, the filters are designed at 10 GHz up to 3rd order, simulated using full-wave electromagnetic simulator on microstrip substrate, FR-4 with characteristics given as Ԑr = 4.70, h = 1.499 mm and tan δ = 0.012. The filters are simulated and responses are found to be agreeable with the proposed idea.

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Bandpass filter based on complementary split ring resonators at X-band

Cited by 8 publications

References 12 publications

A Ku-Band SIW six-port

A Ku-Band SIW six-port

Substrate integrated waveguide bandpass filter for short range device application using rectangular open loop resonator

Closed-loop ring resonator topology for bandpass filter applications

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