Two-tier wide band antenna

Details Two-tier wide band antenna Two-tier wide band antenna

2008-03-31

2010-06-22

Phan, Tho G (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

Reexamination Certificate

active

07742001

ABSTRACT:
A two-tier wideband antenna comprising a chip of a dielectric material with an upper radiating structure and a lower radiating structure, the dielectric chip being mounted on an insulating carrier substrate which includes a feed-line to connect the antenna to a transceiver device. The lower radiating structure comprises two side elements which have a large aspect ratio so as to reduce the frequency of the lower band edge of the frequency response of the antenna when compared with the frequency response of a monopole patch antenna fabricated on a similar dielectric chip. The antenna of the present invention is suitable for operation over an ultra wideband, e.g. a frequency range extending from 3.1 to 10.6 GHz.

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European Search Report issued in European Patent Application No. 09 00 4702 on Jul. 10, 2009.

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