NDLI: Semiconductor junction circulators

Content Provider	IEEE Xplore Digital Library
Author	Davis, L.E. Sloan, R.
Copyright Year	1993
Description	Author affiliation: Dept. of Electr. Eng. & Electron., Univ. of Manchester Inst. of Sci. & Technol., UK (Davis, L.E.; Sloan, R.)
Abstract	A semiconductor junction circulator is analyzed, and a predicted 25 dB isolation bandwidth of 6% at 94 GHz is shown using idealized, lossless GaAs at 77 K. A narrowband, lossy, theoretical design example at 40 GHz shows that losses do reduce performance but not to such a degree as to render the device useless. In this narrowband solution the losses due to electron collisions are modeled. The circulation conditions in this example are designed using intersecting impedance curves rather than the tracking solutions achieved in the lossless case. The technology discussed here may be compatible with high-T/sub c/ superconductors and with MMICs (monolithic microwave integrated circuits).
Starting Page	483
Ending Page	486
File Size	256738
Page Count	4
File Format	PDF
ISBN	0780312090
ISSN	0149645X
DOI	10.1109/MWSYM.1993.276774
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-06-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circulators Narrowband MMICs Performance analysis Bandwidth Gallium arsenide Performance loss Electrons Impedance Integrated circuit technology
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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