Rotatable polarizer device using a hollow dielectric tube and feed network using the same
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United States of America Patent
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Aug 10, 2010
Grant Date -
Nov 19, 2009
app pub date -
May 16, 2008
filing date -
May 16, 2008
priority date (Note) -
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Abstract
There is disclosed a feed network including a circular common waveguide having an axis and terminating in a common port and a first port for coupling a first linearly polarized mode to the circular common waveguide. A phase shifting element may be disposed within the circular waveguide. The phase shifting element may be adapted to cause a predetermined phase shift between a first signal and a second signal propagating in the common waveguide. The phase shifting element may be rotatable about the axis of the common waveguide.
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