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US Patent 11349513 Envelope tracking system

Patent 11349513 was granted and assigned to Qorvo on May, 2022 by the United States Patent and Trademark Office.

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Patent Applicant

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Terry J. Stockert0

Nadim Khlat0

Date of Patent

May 31, 2022

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Patent Application Number

171265610

Date Filed

December 18, 2020

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Patent Citations

US Patent 10158329 Envelope tracking power amplifier circuit

US Patent 10158330 Multi-mode envelope tracking amplifier circuit

US Patent 10170989 Methods for fabricating an integrated circuit with a voltage regulator

US Patent 10291181 Supply modulator and communication device including the same

US Patent 10326408 Envelope tracking power management circuit

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US Patent 10382071 Bandwidth optimization for power amplifier power supplies

US Patent 10476437 Multimode voltage tracker circuit

US Patent 10862431 Envelope tracking amplification architecture

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Patent Citations Received

US Patent 11906992 Distributed power management circuit

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US Patent 11894767 Power management circuit operable to reduce rush current

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Patent Primary Examiner

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The present disclosure relates to an envelope tracking system that is configured to improve the performance of radio frequency power amplifier circuitry by compensating for errors that become more significant as modulation bandwidth increases. These errors include power amplifier collector-base capacitance, time delay between power amplifier stages, and interconnect distance between the baseband modulation source and the power amplifier collector.

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