Antenna switch circuit and method
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United States of America Patent
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Mar 5, 2024
Grant Date -
Nov 3, 2022
app pub date -
Apr 22, 2022
filing date -
Apr 22, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An antenna switch circuit and an antenna circuit switching method. The circuit includes an antenna port, a termination port (e.g., for disposal of power reflected back from an antenna and received through the antenna port in a transmit mode), and a receive port (e.g., for receiving a signal from the antenna port via the antenna switch circuit in a receive mode). The circuit also includes a first switch coupled between the antenna port and the termination port. The circuit further includes a resonant inductance coupled between the receive port and the node located between the antenna port and the first switch. The circuit also includes a second switch coupled between a reference potential and a node located between the resonant inductance and the receive port.
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