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Conferences related to Substrate Integrated Waveguides

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Most published Xplore authors for Substrate Integrated Waveguides

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Xplore Articles related to Substrate Integrated Waveguides

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Simulation and optimization of post-wall waveguide based compact circuits for micro and millimeter waves

2018 11th German Microwave Conference (GeMiC), 2018

Functional post-wall waveguide (PWW) based passive circuits are formed by introducing specific arrangements of additional posts into the PWW structure. Each arrangement represents a circuit element and consists of a circular array of cylindrical posts periodically distributed on the circumference of the corresponding ring. The circular arrays (i.e. the circuit elements) provide enough degrees of freedom to tailor the spectral ...


Hybrid Spoof Surface Plasmon Polariton and Substrate Integrated Waveguide Broadband Bandpass Filter With Wide Out-of-Band Rejection

IEEE Microwave and Wireless Components Letters, 2018

This letter presents a novel hybrid spoof surface plasmon polariton (SSPP) and substrate integrated waveguide (SIW) filter, which has the broadband bandpass and wide out-of-band rejection features. The lower and upper cutoff frequencies of the passband can be independently adjusted by changing the structural parameters of the SSPP and SIW units, respectively. The dispersion curves of the SSPP and SIW ...


Size-Reduced Planar and Nonplanar SIW Gysel Power Divider Based on Low Temperature Co-fired Ceramic Technology

IEEE Microwave and Wireless Components Letters, 2017

Aiming at reducing the size of substrate integrated waveguide (SIW) Gysel power divider (PD), a SIW-based planar Gysel PD is redesigned based on low temperature co-fired ceramic (LTCC). In addition, another novel SIW-based nonplanar Gysel PD is first presented and implemented on multilayer LTCC, which can further reduce size over 83% when compared with planar Gysel PD. Both of the ...


Microwave Filter Based on Substrate Integrated Waveguide With Alternating Dielectric Line Sections

IEEE Microwave and Wireless Components Letters, 2018

A new topology of microwave filter based on substrate integrated waveguide (SIW) with alternating dielectric line sections is presented in this letter. The two alternating sections are waveguides without and with a dielectric material acting, respectively, as the inverters and the resonant sections of the proposed filter. This topology allows to easily design and manufacture compact filters with lower losses ...


A Novel Frequency-Dependent Coupling With Flexibly Controllable Slope and Its Applications on Substrate-Integrated Waveguide Filters

IEEE Microwave and Wireless Components Letters, 2018

This letter reports a novel realization of frequency-dependent coupling (FDC) structure, which can realize both the positive and negative slopes. The FDC is constructed by two coupled stepped-impedance grounded coplanar waveguides with opened ends. The characteristics of the FDC are studied, which indicates that the proposed FDC has advantages of the flexibly controllable slope, zero of position, and weak/strong strength. ...


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Educational Resources on Substrate Integrated Waveguides

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IEEE-USA E-Books

  • Simulation and optimization of post-wall waveguide based compact circuits for micro and millimeter waves

    Functional post-wall waveguide (PWW) based passive circuits are formed by introducing specific arrangements of additional posts into the PWW structure. Each arrangement represents a circuit element and consists of a circular array of cylindrical posts periodically distributed on the circumference of the corresponding ring. The circular arrays (i.e. the circuit elements) provide enough degrees of freedom to tailor the spectral response in the framework of an ultra-compact planar filter topology. The PWW circuit is analyzed using image theory in combination with the lattice sums technique yielding a highly- efficient semi-analytical computational scheme that is perfectly suitable for the numerical structural optimization of mm-wave band-pass filters. Along an exemplary study we demonstrate the feasibility of steep skirt selectivity within a device footprint of around 0.75A2.

  • Hybrid Spoof Surface Plasmon Polariton and Substrate Integrated Waveguide Broadband Bandpass Filter With Wide Out-of-Band Rejection

    This letter presents a novel hybrid spoof surface plasmon polariton (SSPP) and substrate integrated waveguide (SIW) filter, which has the broadband bandpass and wide out-of-band rejection features. The lower and upper cutoff frequencies of the passband can be independently adjusted by changing the structural parameters of the SSPP and SIW units, respectively. The dispersion curves of the SSPP and SIW units are analyzed and the influences of some structural parameters are investigated. A hybrid SSPP-SIW filter is fabricated based on the proposed method, and the measured passband is at 7.3-11.2 GHz with a relative bandwidth of 44%. The upper stopband rejection level is lower than -40 dB from 11.8 to 19.8 GHz.

  • Size-Reduced Planar and Nonplanar SIW Gysel Power Divider Based on Low Temperature Co-fired Ceramic Technology

    Aiming at reducing the size of substrate integrated waveguide (SIW) Gysel power divider (PD), a SIW-based planar Gysel PD is redesigned based on low temperature co-fired ceramic (LTCC). In addition, another novel SIW-based nonplanar Gysel PD is first presented and implemented on multilayer LTCC, which can further reduce size over 83% when compared with planar Gysel PD. Both of the two SIW Gysel PDs are fabricated and measured, and the measured results show that within frequency range from 17 to 19 GHz, the planar Gysel PD has the performances of return losses <;12.5 dB, insertion loss <;5.25 dB, isolation >20 dB, and phase ripple about ±7.5°; while the nonplanar Gysel PD has the performances of return losses <;10 dB, insertion loss <;7 dB, isolation >10 dB, and phase ripple about ±7°.

  • Microwave Filter Based on Substrate Integrated Waveguide With Alternating Dielectric Line Sections

    A new topology of microwave filter based on substrate integrated waveguide (SIW) with alternating dielectric line sections is presented in this letter. The two alternating sections are waveguides without and with a dielectric material acting, respectively, as the inverters and the resonant sections of the proposed filter. This topology allows to easily design and manufacture compact filters with lower losses and higher rejection band than other available SIW realizations. For validation purposes, a prototype of a four- pole bandpass filter, based on alternating dielectric line sections, has been designed and manufactured, including successful experimental results.

  • A Novel Frequency-Dependent Coupling With Flexibly Controllable Slope and Its Applications on Substrate-Integrated Waveguide Filters

    This letter reports a novel realization of frequency-dependent coupling (FDC) structure, which can realize both the positive and negative slopes. The FDC is constructed by two coupled stepped-impedance grounded coplanar waveguides with opened ends. The characteristics of the FDC are studied, which indicates that the proposed FDC has advantages of the flexibly controllable slope, zero of position, and weak/strong strength. For the verification of the characteristics of the proposed FDC, an inline-line fourth-order substrate integrated waveguide bandpass filter (BPF) with one large positive slope and a third-order triplet BPF with one small negative slope for additional finite transmission zero with controllable position were designed, fabricated, and measured. Measured results agree well with simulated ones.

  • A 5.8 GHz Microwave Applicator by Post-Wall Waveguide

    Microwave application technologies such as microwave heating., microwave assisted chemistry., etc. are of the innovative green technologies. In this paper., a 5.8 GHz microwave applicator of medium size is proposed based on the post-wall waveguide structure. It is allowed to irradiate microwaves to solvent of several milliliters and to flow the heated solvent out continuously. The validity of the proposed applicator is examined numerically and experimentally with microwave power sources of about 5 W.

  • Erratum to “Ultraminiaturized Metamaterial-Inspired SIW Textile Antenna for Off-Body Applications” [2017 3155-3158]

    Presents corrections to the paper, “Ultraminiaturized metamaterial-inspired SIW textile antenna for off-body applications,” (Lajevardi, M.E. and Kamyab, M.), IEEE Antennas Wireless Propag. Lett., vol. 16, pp. 3155–3158, 2017.

  • Design of a 60GHz-Band Metal Cap Antenna with Two Slots Fed by the Post-Wall Waveguide

    A metal cap slot antenna has been developed for the 60-GHz band. The antenna is composed of two slots and a T-junction and fed by a post-wall waveguide on a substrate. The dimension of the designed antenna is 8.0 × 4.5 × 2.5 mm3for the 60GHz band. The designed antenna is fabricated by machining a brass block and evaluated by measurement. The measurement shows reflection less than -10.0 dB, gain larger than 7.8 dBi and beamwidth between 54° - 65° over the 60-GHz band with endfire radiation.

  • Corrections to “Substrate Integrated Waveguide Leaky-Wave Antenna With Wide Bandwidth via Prism Coupling” [Jun 18 3110-3118]

    In the above paper [1], there is a description on page 1, column 2 in the introduction section: “However, no practical demonstration of this has been reported yet, probably due to the complexity of integrating this Huygens metasurface with a practical LWA.”

  • Compact Microstrip to Empty Substrate-Integrated Coaxial Line Transition

    Substrate-integrated waveguides (SIWs) are increasingly being used due to their capability of combining the advantages of planar circuits and traditional waveguides. The development of empty SIWs has substantially reduced the related insertion losses, since waves propagate through air instead of propagating through a lossy dielectric medium. Recently, a new empty coaxial structure, completely built with printed circuit boards and integrated in a substrate, has been proposed. It has been named empty substrate-integrated coaxial line (ESICL). The resulting coaxial line has low cost, easy manufacturing, low radiation, low losses, high-quality factor, and nondispersive. A transition from grounded coplanar waveguide to ESICL already exists. In this letter, a transition from microstrip to ESICL is presented for the first time. In order to demonstrate its feasibility, a back-to-back structure and a bandpass filter have been manufactured and measured.



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