NDLI: Compact dual-mode four-port network with quadrature-coupling and direct-thru transmission in each of the individual bands

Content Provider	IEEE Xplore Digital Library
Author	Jyh-Woei Tsai Tzyh-Ghuang Ma
Copyright Year	2011
Description	Author affiliation: Department of Electrical Engineering, National Taiwan University of Science and Technology, No.43, Keelung Rd. Sec. 4, Taipei 10607, Taiwan (R.O.C.) (Jyh-Woei Tsai; Tzyh-Ghuang Ma)
Abstract	By utilizing a pair of quasi-lumped LC tanks, in this paper, a new 50-ohm synthesized microstrip line is proposed. Differing from its conventional counterparts, the new design shows open-circuit input impedance at its attenuation pole, which isolates the synthesized line from other transmission paths. A compact dual-mode four-port network, having quadrature-coupling and direct-thru transmission properties in each of the two frequency bands, is developed based on this new synthesized line. This novel four-port network behaves like a conventional 3-dB quadrature hybrid in the low frequency band, but can be equivalent to a pair of isolated transmission lines in the high band. In addition, it is 50% the size of a conventional design. The design methodology, circuit layouts, and experimental results of the synthesized line and the dual-mode four-port network are discussed carefully in this paper.
Starting Page	1
Ending Page	4
File Size	1219901
Page Count	4
File Format	PDF
ISBN	9781612847542
ISSN	0149645X
e-ISBN	9781612847573
e-ISBN	9781612847566
DOI	10.1109/MWSYM.2011.5972597
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio access networks Indexes Resonant frequency dual mode operation Synthesized line quadrature hybrid thru transmission
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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