Broadband spiral transmission line phase shifting power splitter
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United States of America Patent
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Apr 23, 2013
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N/A
app pub date -
Sep 30, 2010
filing date -
Sep 30, 2010
priority date (Note) -
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Abstract
A broadband power splitter and phase shifter having a plurality of transmission lines, a 3 db, zero degree power splitter for splitting a signal, an open quadrifilar spiral for receiving a first signal and reflecting power, a modified, open quadrifilar spiral for receiving a second output after a delay and for reflecting power, and wherein a difference between the reflected power from the open quadrifilar spiral and the modified, open quadrifilar spiral in conjunction with a delay provides a constant phase shift over a broad range of frequencies.
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