TRANSMISSION LINE PHASE SHIFTER, SYSTEM, CHIP, AND RADAR SENSOR
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Mar 15, 2023
filing date -
Sep 30, 2022
priority date (Note) -
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Abstract
A transmission line phase shifter, a system, a chip, and a radar sensor are provided. The transmission line phase shifter includes at least one transmission line phase-shifting unit. A respective transmission line phase-shifting unit includes a first pair of differential transmission lines, a second pair of differential transmission lines, and a phase adjusting circuit. The phase adjusting circuit is configured to adjust electrical parameters of a transmission path where at least one pair of transmission lines of the first pair of differential transmission lines and the second pair of differential transmission lines is located according to at least one phase shifting control signal received, so as to enable that a RF signal output from the respective transmission line phase-shifting unit has a phase shift of a first phase or a second phase relative to an input RF signal of the respective transmission line phase-shifting unit.
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