2016
DOI: 10.2528/pierl16030407
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Compact Broadband Bandpass Filter on Quarter-Mode Substrate Integrated Waveguide Loaded With CRLH Interdigital Slots

Abstract: Abstract-A compact broadband bandpass filter (BPF) on Composite right/left-handed (CRLH) Quarter-Mode Substrate Integrated Waveguide (QMSIW) is presented and analyzed in this paper. A size reduction is implemented by etching the CRLH interdigital slots (CRLH-IS) in the compact QMSIW cavity to introduce a lower resonant frequency less than that of the QMSIW. The influence of the rotation angle of the CRLH-IS on the frequency response of the CRLH QMSIW BPF is analyzed, and the optimal rotation angle is used to i… Show more

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Cited by 3 publications
(3 citation statements)
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“…Since artificial planar metamaterials transmission lines have proven novel properties in electromagnetic components community research, they have also been used to introduce wideband and compact filters [20][21][22][23][24][25][26][27][28][29]. Therefore, ultra-compact filter design based on these lines has become a very competitive design approach.…”
Section: Introductionmentioning
confidence: 99%
“…Since artificial planar metamaterials transmission lines have proven novel properties in electromagnetic components community research, they have also been used to introduce wideband and compact filters [20][21][22][23][24][25][26][27][28][29]. Therefore, ultra-compact filter design based on these lines has become a very competitive design approach.…”
Section: Introductionmentioning
confidence: 99%
“…QMSIW resonators are used in antenna design [13] and broadband filter applications [14,15] due to their compact size, lower quality factor, and strong coupling coefficients of coupled cavities. In [15] a high selectivity wideband band-pass filter (BPF) was proposed using CSRR loaded QMSIW resonator. The CSRR structures permit a passband propagating below the cutoff frequency of the conventional QMSIW.…”
Section: Introductionmentioning
confidence: 99%
“…Modern microwave and millimeter-wave filters are oriented towards compact size, sharp selectivity, high integration and easy manufacturability. To meet these requirements, substrate integrated waveguide (SIW) technology has been successfully applied to design filters due to its low loss and easy integration with other planar circuits [1][2][3][4][5]. Moreover, for the efficient utilization of spectrum resources, plenty of dual-band filters based on SIW technology have been proposed and designed [6][7][8][9][10][11][12][13][14][15].…”
Section: Introductionmentioning
confidence: 99%