Topic
Stub (electronics)
About: Stub (electronics) is a research topic. Over the lifetime, 8172 publications have been published within this topic receiving 75018 citations.
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Patent•
15 Apr 1993
TL;DR: In this article, the outer handle of a door lock includes a tube extended inward of the door, a lock disposed in the tube, a stub fixed on one end of a shaft and having a square section and a circular section, a cylinder rotatably received in a tube and coupled to the lock and including two pairs of notches of different depth, a board engaged with either of the sections.
Abstract: An outer handle of a door lock includes a tube extended inward of the door, a lock disposed in the tube, a stub fixed on one end of a shaft and having a square section and a circular section, a cylinder rotatably received in the tube and coupled to the lock and including two pairs of notches of different depth, a board engaged with either of the sections. The shaft can be rotated by the outer handle when the board is engaged with the square section of the stub and can not be rotated when the board is engaged with the circular section. The stub can be rotated by the shaft when the board is engaged with either of the sections.
25 citations
TL;DR: In this article, a metal-dielectric-metal waveguide system consisting of a stub coupled with a U-cavity is proposed to produce sharp and asymmetric Fano resonance.
Abstract: A new compact metal-dielectric-metal waveguide system consisting of a stub coupled with a U-cavity is proposed to produce sharp and asymmetric Fano resonance. The transmission properties of the proposed structure are numerically studied by the finite element method and verified by the coupled mode theory. Simulation results reveal that the spectral profile can be easily tuned by adjusting the geometric parameters of the structure. One of the potential application of the proposed structure as a highly efficient plasmonic refractive index nanosensor was investigated with its sensitivity of more than 1000 nm/RIU and a figure of merit of up to 5500. Another application is integrated slow-light device whose group index can be greater than 6. In addition, multiple Fano resonances will occur in the broadband transmission spectrum by adding another U-cavity or (and) stub. The characteristics of the proposed structure are very promising for the highly performance filters, on-chip nanosensors, and slow-light devices.
25 citations
TL;DR: In this article, the structural performance and resistances of concrete-encased concrete-filled steel tube (CECFST) stub columns were investigated under uniaxial and baoxial eccentric compression.
25 citations
TL;DR: In this article, a coplanar-waveguide (CPW) bandpass and dual-passband filters that consist of the composite right/left-handed short-circuited stubs are proposed.
Abstract: The design and implementation of novel coplanar-waveguide (CPW) bandpass and dual-passband filters that consist of the composite right/left-handed short-circuited stubs are proposed. In contrast to the conventional short-circuited stub, whose input impedance repeats every half-wavelength, the composite right/left-handed CPW stub combines the phase-lead composite right/left-handed CPW and the phase-lag uniform CPW to achieve the arbitrary resonant frequencies with compact size. The equivalent bandpass and dual-passband LC resonators are established by investigating the frequency responses of the composite right/left-handed CPW stubs. The composite right/left-handed CPW bandpass filter is 62.5% more compact than the conventional quarter-wavelength shunt-stub CPW bandpass filter. The composite right/left-handed CPW dual-passband filter, which possesses the sharp rejection between the two asymmetric passbands, is also developed. The synthesis procedures of the composite right/left-handed CPW bandpass and dual-passband filters are successfully validated by measurement and full-wave simulation
25 citations
TL;DR: In this paper, two phase shifters with coplanar accesses were used to improve the phase shift parameter in the millimeter-frequency range, and the phase shifter was shown to achieve an improved phase shift from 0.87°/GHz/cm to 2.77°/ GHz/cm.
Abstract: The topic of this paper is the study of electrically tunable phase-shifters based on the use of liquid crystals. The dielectric characterization of the commercial liquid crystal involved in this study allows us to determine its dielectric permittivities (with and without DC voltage applied) and then its dielectric anisotropy. In this way, two phase-shifter configurations were studied. Every devices propose inverted microstrip line. The two circuits have been realized with coplanar accesses to be use in the millimeter-frequency range. With the aim to improve the phase shift parameter (in °/GHz/cm), our work aims to reduce the transmission line. Instead of a rectilinear transmission line, this one is based on a symmetric stub line. The phase shift obtained is enhanced from 0.87°/GHz/cm to 2.77°/GHz/cm. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 338–341, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20463
25 citations