NDLI: Reconfigurable microstrip antenna with tunable radiation beamwidth

Content Provider	IEEE Xplore Digital Library
Author	Khidre, A. Fan Yang Elsherbeni, A.Z.
Copyright Year	2013
Description	Author affiliation: Electr. Eng. Dept., Univ. of Mississippi, Oxford, MS, USA (Khidre, A.; Fan Yang; Elsherbeni, A.Z.)
Abstract	This paper proposes a reconfigurable microstrip antenna with a tunable radiation beam. The design methodology uses two tunable size parasitic patches placed to the left and right of a probe-fed patch along its H-plane. Each parasitic patch is loaded with a lumped varactor as well as its biasing network, to effectively change its electrical size. Because the radiation beamwidth is controlled by the electrical size of the parasitic patches, electronic zooming is allowed by changing the capacitance value through the applied DC voltage. Both varactors are biased as unison, such that one DC control signal is required for the entire antenna. The antenna performance shows a dynamic control over the radiation beamwidth that ranges from 50° to 112° with capacitance tuning range of 0.5 pF to 2.5 pF.
Starting Page	1444
Ending Page	1445
File Size	202812
Page Count	2
File Format	PDF
ISSN	15223965
e-ISBN	9781467353175
DOI	10.1109/APS.2013.6711381
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microstrip antennas Tuning Capacitance Microstrip Microwave antennas Varactors
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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