نتایج جستجو برای: coplanar waveguide
تعداد نتایج: 20634 فیلتر نتایج به سال:
This paper presents a novel planar matching load for travelingwave-fed substrate integrated waveguide (SIW) slot arrays. The load consists of a planar grounded coplanar waveguide (GCPW) matching load and a planar GCPW to SIW transition which makes the GCPW matching load compatible with the SIW. In the GCPW matching load a high frequency resistor is used to dissipate the remaining power. A trave...
A new numerical technique is proposed for analyzing arbitrary shaped hollow waveguides. The method is based on mathematically modelling of physical response of a system to excitation over a range of frequencies. The response amplitudes are then used to determine the resonant frequencies. The results of the numerical experiments justifying the method are presented. The method is validated by cir...
After a review of conventional microwave photodetectors, this paper is dealing with the difficulties to fulfill applications requirements (responsivity, bandwidth, power), when the bandwidth is extended up to the millimeter wave frequency range. Up to date solutions are given and the validity of a new concept, the PIN photodiodes evanescently coupled to a multimode waveguide, is demonstrated.
This paper presents a novel coplanar waveguide (CPW) dual pass band and triple pass band filter using the split-modes of the loaded stub square loop resonators. With the CPW feeding line, two micro strip stub resonators built on the rear sides are used to suppress resonance. We have designed our filter on the FR4 substrate (permittivity = 4. 4 and loss tangent=0. 02) with 20x50mm square and thi...
S. Ohya,1, a) B. Chiaro,2 A. Megrant,2, 3 C. Neill,2 R. Barends,2 Y. Chen,2 J. Kelly,2 D. Low,2 J. Mutus,2 P. J. J. O’Malley,2 P. Roushan,2 D. Sank,2 A. Vainsencher,2 J. Wenner,2 T. C. White,2 Y. Yin,2 B. D. Schultz,1 C. J. Palmstrøm,1, 3 B. A. Mazin,2 A. N. Cleland,2 and John M. Martinis2, b) Department of Electrical and Computer Engineering, University of California, Santa Barbara, California...
A new low profile and broadband monopolar patch antenna is proposed. Generally monopolar patch antennas are built using circular or square patches to obtain the required radiation pattern but these antennas have low gain in the horizontal plane. Rectangular patch antennas have been designed for high gain but they have broadside radiation pattern. We propose a low profile patch antenna with wide...
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