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US Patent 9379667 Multiple power supply input parallel amplifier based envelope tracking

Patent 9379667 was granted and assigned to RF Micro Devices on June, 2016 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
RF Micro Devices
RF Micro Devices
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Current Assignee
RF Micro Devices
RF Micro Devices
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
93796670
Patent Inventor Names
Philippe Gorisse0
Michael R. Kay0
Nadim Khlat0
Date of Patent
June 28, 2016
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Patent Application Number
140722250
Date Filed
November 5, 2013
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Patent Citations Received
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US Patent 12126305 Radio frequency (RF) equalizer in an envelope tracking (ET) circuit
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US Patent 11764737 Envelope tracking circuit and related power amplifier apparatus
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US Patent 11909385 Fast-switching power management circuit and related apparatus
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US Patent 11906992 Distributed power management circuit
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US Patent 12063018 Envelope tracking integrated circuit operable with multiple types of power amplifiers
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US Patent 12068720 Barely Doherty dual envelope tracking (BD2E) circuit
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US Patent 12081173 Complementary envelope detector
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US Patent 11716057 Envelope tracking circuitry
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Patent Primary Examiner
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Patricia T Nguyen
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Patent abstract

A switch mode power supply converter and a parallel amplifier are disclosed. The switch mode power supply converter is coupled to a modulated power supply output and the parallel amplifier has a parallel amplifier output coupled to the modulated power supply output. Further, the parallel amplifier has a group of output stages, such that each output stage is directly coupled to the parallel amplifier output and each output stage receives a separate supply voltage.

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