Impedance matching device and communication device
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United States of America Patent
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Oct 1, 2024
Grant Date -
Aug 8, 2024
app pub date -
Aug 30, 2022
filing date -
Sep 28, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
An impedance matching device includes a first dielectric substrate; a first transmission line circuit; a first conductive pad which extends toward the first transmission line circuit on the first dielectric substrate to at least partially vertically overlap the first transmission line circuit: a first reference potential layer; and a first matching load which is electrically connected to the first conductive pad and has a first resistance. An area where the first conductive pad vertically overlaps the first transmission line circuit has a size configured such that a load reactance associated with the first transmission line circuit is equal to or less than a predetermined threshold and an absolute value of a difference between a load resistance associated with the first transmission line circuit and the first resistance is equal to or less than a predetermined resistance threshold.
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