Filter circuit and radio-frequency module
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United States of America
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May 3, 2022
Grant Date -
Jul 9, 2020
app pub date -
Mar 18, 2020
filing date -
Mar 18, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A filter circuit includes a first switch circuit that exclusively connects a first common terminal to either of a first selection terminal and a second selection terminal; a first signal terminal that is connected to the first selection terminal and that is for communicating a first communication signal belonging to a first frequency range, which is a frequency range of a first communication band; a second signal terminal that is connected to the second selection terminal and that is for communicating a second communication signal belonging to a second frequency range, which is the frequency range of a second communication band and which is at least partially overlapped with the first frequency range; and a first band pass filter one end of which is connected to the first common terminal and which uses both the first frequency range and the second frequency range as pass bands.
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