Directional coupler
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 19, 2022
Grant Date -
Nov 19, 2020
app pub date -
Aug 4, 2020
filing date -
Aug 4, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A directional coupler (1) includes a substrate (10), a main line (20) formed directly or indirectly on the substrate (10), sub-lines (21, 22 and 23) at least part of each of which is formed directly or indirectly on the substrate (10) along the main line (20), a switch (30) switching connections among end portions of the plurality of sub-lines (21, 22 and 23), and detection output terminals (FWD and REV) connected to the sub-line (21), wherein, when looking at the substrate (10) in plan, the end portions of the sub-lines (21, 22 and 23) are disposed on the same side as the detection output terminals (FWD and REV) relative to the main line (20), and the sub-line (21) to which the detection output terminals (FWD and REV) are connected is overlapped with or surrounded by the sub-lines (22 and 23).
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