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US Patent 11973467 Multi-level envelope tracking with analog interface

Patent 11973467 was granted and assigned to Skyworks Solutions on April, 2024 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

Skyworks Solutions

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Current Assignee

Skyworks Solutions

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Serge Francois Drogi1

Shayan Farahvash1

David Richard Pehlke1

Florinel G. Balteanu1

Date of Patent

April 30, 2024

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Patent Application Number

183007261

Date Filed

April 14, 2023

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Patent Citations

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1

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1

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1

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1

US Patent 7496339 Amplitude calibration element for an enhanced data rates for GSM evolution (EDGE) polar loop transmitter

1

US Patent 8140028 Low noise RF driver

1

US Patent 8351873 Low noise RF driver

1

US Patent 8718188 Apparatus and methods for envelope tracking

1

...

Patent Primary Examiner

1

CPC Code

1

1

Patent abstract

Multi-level envelope trackers with an analog interface are provided herein. In certain embodiments, an envelope tracking system for generating a power amplifier supply voltage for a power amplifier is provided. The envelope tracking system includes a multi-level supply (MLS) DC-to-DC converter that outputs multiple regulated voltages, and an MLS modulator that controls selection of the regulated voltages over time based on an analog envelope signal corresponding to an envelope of the RF signal amplified by the power amplifier.

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