2012
DOI: 10.1049/el.2012.0439
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Compact dual-band bandpass filter using open loop resonator for multimode WLANs

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Cited by 17 publications
(15 citation statements)
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“…Due to the relative large frequency space between f 1 and f 2 , the ring sizes between R 1 and R 3 are also distinctive. The coupling through the certain gap may lead to weak coupling unless the change of the size of R 3 or loaded the R 3 onto the R 1 [3,4]. However, this will also change the third passband frequency response or ascend the size of the proposed filter.…”
Section: Analysis Of the Proposed Dual-band Filtermentioning
confidence: 99%
See 2 more Smart Citations
“…Due to the relative large frequency space between f 1 and f 2 , the ring sizes between R 1 and R 3 are also distinctive. The coupling through the certain gap may lead to weak coupling unless the change of the size of R 3 or loaded the R 3 onto the R 1 [3,4]. However, this will also change the third passband frequency response or ascend the size of the proposed filter.…”
Section: Analysis Of the Proposed Dual-band Filtermentioning
confidence: 99%
“…Therefore, the systems prefer multiband transceiver to multiple single band ones. To response this need, multi-band BPFs are intensively investigated and various design approaches have been reported [1,2,3,4,5,6,7]. The dual-band BPF can be realized by utilizing planar filter with open-loop resonator [1].…”
Section: Introductionmentioning
confidence: 99%
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“…Using two embedded open‐loop resonators whose electric lengths are λ g /4 and λ g /2 at corresponding designed frequencies, filter which operates at dual band can be achieved . Utilizing stepped impedance resonators (SIRs) and radial cells, 2nd‐order open loop dual band bandpass filter is designed . Despite large frequency ratio, these configurations share the same disadvantage with narrow bandwidth .…”
Section: Introductionmentioning
confidence: 99%
“…In this structure a large insertion loss at second passband is obtained. In [12] a small fractional bandwidth dual band bandpass filter is designed and fabricated using open loop resonators for multimode WLANs. This filter has two undesired return loss in the both passbands.…”
Section: Introductionmentioning
confidence: 99%