Vivaldi antenna
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United States of America Patent
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-
Aug 8, 2006
Grant Date -
Jan 20, 2005
app pub date -
Aug 22, 2002
filing date -
Aug 24, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A directional, wideband, planar antenna arrangement is a class of Vivaldi aerial constructed as a plurality of conductive layers disposed on at least one substrate layer. The conductive layers are arranged to form a flared notch, which widens from a closed end to an open end, and is arranged to conform to a hybrid curve. The hybrid curve comprises a plurality of self-similar curve sections, and, as the flare widens, each successive curve section is scaled up by a scaling factor and joined at its wider end with a neighboring curve section. The hybrid flared notch can also be implemented in antipodal and balanced antipodal Vivaldi aerials.
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