RADIO FREQUENCY CHOKES FOR INTEGRATED PHASED-ARRAY ANTENNAS
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United States of America Patent
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Issued Date -
Apr 27, 2017
app pub date -
Oct 27, 2015
filing date -
Oct 27, 2015
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Abstract
Embodiments described herein provide for integrating a pair of phased-array antennas onto a common electrically-conductive plate, with groves fabricated into a top surface of the plate that operate as an RF choke. One embodiment comprises an apparatus that includes an electrically-conductive plate that has a top surface and an opposing bottom surface, a transmit phased-array antenna comprising a first plurality of holes through the plate from the top surface to the bottom surface that include RF transmit elements, and a receive phased-array antenna comprising a second plurality of holes through the plate from the top surface to the bottom surface that include RF receive elements. The apparatus further includes a plurality of grooves fabricated on the top surface of the plate that attenuate EM radiation induced on the receive phased-array antenna by the transmit phased-array antenna by a pre-defined amount.
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