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US Patent 11545951 Methods and systems for detecting and managing amplifier instability

Patent 11545951 was granted and assigned to Cirrus Logic on January, 2023 by the United States Patent and Trademark Office.

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TimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
‌
Cirrus Logic International Semiconductor Ltd.
Current Assignee
Cirrus Logic
Cirrus Logic
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11545951
Date of Patent
January 3, 2023
Patent Application Number
16851468
Date Filed
April 17, 2020
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‌
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US Patent 10795443 Methods and apparatus for driving a transducer
‌
US Patent 10820100 Methods and apparatus for limiting the excursion of a transducer
...
Patent Primary Examiner
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Khanh V Nguyen
CPC Code
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H03F 1/08
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G01R 31/28
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G01R 1/04
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B06B 1/0276
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B06B 2201/70
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G06F 3/016
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H03G 11/06
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H03G 11/008
...

A system may include a first input for receiving a first signal for driving an amplifier that drives a load, a second input for receiving a second signal driven by the amplifier, and an instability detector for detecting instability of a feedback loop for controlling the first signal based on comparison of the first signal and the second signal.

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