TUNABLE FILTER WITH MUTUALLY COUPLED INDUCTORS
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Dec 3, 2024
filing date -
Dec 3, 2024
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Abstract
Aspects of this disclosure relate to a tunable filter with tunable rejection. The tunable filter includes mutually coupled inductors and a tunable impedance circuit electrically connected to at least one of the mutually coupled inductors. The tunable impedance circuit is configured to adjust at least two notches in a frequency response of the tunable filter by changing a state of a switch. The tunable filter can filter a radio frequency signal. Related methods, radio frequency systems, radio frequency modules, and wireless communication devices are also disclosed.
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