An ultra‐wide bandpass filter with good out‐of‐band performance

Zhong, Li; Wang, Guangming; Zhang, Chenxin; Ge-nong, Long

doi:10.1002/mop.23517

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Another type of UWB BPF was developed, based on a stub‐loaded multiple‐mode resonator, so that several resonant modes within the UWB passband could be obtained by placing three open‐ended stubs at appropriate positions and adjusting their lengths . A novel UWB BPF with compact size and improved upper stopband performance was also realized using a multiple‐mode resonator . It was discovered that a stepped‐impedance stub‐loaded resonator provides more freedom with regard to adjusting the resonant frequencies and also enables the creation of two transmission zeros at the lower and upper ends of the passband .…”

Section: Introductionmentioning

confidence: 99%

UWB Bandpass Filter Based on Ring Resonator

Song

Lee

2013

Micro & Optical Tech Letters

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A new ultra‐wideband bandpass filter is proposed, with a ring resonator and two stepped‐impedance stubs to provide good wideband filtering performance and sharp rejection skirts. Interdigital coupled lines are placed at both ends of the ring resonator as input and output feed lines. The use of interdigital coupled lines makes it possible for the first three resonances of the ring resonator to be closer to wideband characteristics. By cutting apertures in the ground plane under the interdigital coupled lines, the coupling effect between the feed lines and the ring resonator can be increased, so that the passband characteristics can be improved. By adding two stepped‐impedance stubs to the ring resonator, sharp rejection skirts can be obtained in the passband. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2047–2051, 2013

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Section: Introductionmentioning

confidence: 99%

UWB Bandpass Filter Based on Ring Resonator

Song

Lee

2013

Micro & Optical Tech Letters

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“…This MMR has compact size and improved upper stopband performance. A novel UWB BPF with compact size and improved upper stopband performance was also realized using a MMR [7,8]. The resonators proposed in [9] offer the advantages of more degrees of freedom for adjusting the resonant frequencies and two transmission zeros at both the lower and upper ends of the passband.…”

Section: Introductionmentioning

confidence: 99%

Design of Plasmonic Comb-Like Filters Using Loop-Based Resonators

et al. 2013

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Metal-insulatormetal waveguide-based band-pass filter with circular ring resonator containing Kerr nonlinear medium, Opt Commun (2013). 7. Y. Guo, L. Yan, W. Pan, B. Luo, K. Wen, Z. Guo, and X. Luo, Characteristics of plasmonic filters with a notch located along rectangular resonators, Plasmonics (2012), 1-5. 8. M.P. David, Microwave engineering, Wiley, Hoboken, NJ, 2005. 9. P.B. Johnson and R. Christy, Optical constants of the noble metals, Phys Rev B 6 (1972), 4370.ABSTRACT: In this article, a new ultrawideband (UWB) bandpass filter is proposed, with dual stepped-impedance stub-loaded resonators (SISLRs). As the proposed filter can provide the better in-band performance due to the dual SISLRs, it was possible to design this UWB filter without apertures in the ground plane. The passband performance of the proposed filter is superior to that of the conventional filter based on a single SISLR with aperture-backed interdigital coupled-lines, while the resonant frequencies and sharp rejection skirt characteristics of the conventional filter are retained without apertures in the ground plane. The performance of the new filter was confirmed by simulation with a fullwave electromagnetic simulator and by actual implementation and measurement. The passband of the implemented filter covers the range of 3.24$11.03 GHz. The group delay is less than 0.5 ns and flat in the passband, and sharp attenuations appear near the passband.

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“…This MMR has compact size and improved upper stopband performance. A novel UWB BPF with compact size and improved upper stopband performance was also realized using a MMR . The resonators proposed in offer the advantages of more degrees of freedom for adjusting the resonant frequencies and two transmission zeros at both the lower and upper ends of the passband.…”

Section: Introductionmentioning

confidence: 99%

UWB bandpass filter using dual stepped impedance stub loaded resonators

Shin

Jeong

et al. 2013

Micro & Optical Tech Letters

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In this article, a new ultrawideband (UWB) bandpass filter is proposed, with dual stepped‐impedance stub‐loaded resonators (SISLRs). As the proposed filter can provide the better in‐band performance due to the dual SISLRs, it was possible to design this UWB filter without apertures in the ground plane. The passband performance of the proposed filter is superior to that of the conventional filter based on a single SISLR with aperture‐backed interdigital coupled‐lines, while the resonant frequencies and sharp rejection skirt characteristics of the conventional filter are retained without apertures in the ground plane. The performance of the new filter was confirmed by simulation with a full‐wave electromagnetic simulator and by actual implementation and measurement. The passband of the implemented filter covers the range of 3.24∼11.03 GHz. The group delay is less than 0.5 ns and flat in the passband, and sharp attenuations appear near the passband. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:448–450, 2014

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An ultra‐wide bandpass filter with good out‐of‐band performance

Cited by 4 publications

References 8 publications

UWB Bandpass Filter Based on Ring Resonator

UWB Bandpass Filter Based on Ring Resonator

Design of Plasmonic Comb-Like Filters Using Loop-Based Resonators

UWB bandpass filter using dual stepped impedance stub loaded resonators

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