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US Patent 9247496 Power loop control based envelope tracking

Patent 9247496 was granted and assigned to RF Micro Devices on January, 2016 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
RF Micro Devices
RF Micro Devices
Current Assignee
RF Micro Devices
RF Micro Devices
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9247496
Date of Patent
January 26, 2016
Patent Application Number
14072120
Date Filed
November 5, 2013
Patent Citations Received
‌
US Patent 12126305 Radio frequency (RF) equalizer in an envelope tracking (ET) circuit
3
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US Patent 12063018 Envelope tracking integrated circuit operable with multiple types of power amplifiers
4
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US Patent 12068720 Barely Doherty dual envelope tracking (BD2E) circuit
5
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US Patent 12081173 Complementary envelope detector
6
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US Patent 11716057 Envelope tracking circuitry
7
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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
8
‌
US Patent 11906992 Distributed power management circuit
9
...
Patent Primary Examiner
‌
Tu X Nguyen
Patent abstract

Configuration-feedback circuitry and transceiver circuitry are disclosed. The configuration-feedback circuitry regulates an output power from a radio frequency power amplifier based on a difference between a target output power from the radio frequency power amplifier and a measured output power from the radio frequency power amplifier. The transceiver circuitry regulates a modulated power supply voltage, which is used by the radio frequency power amplifier to provide power for amplification, based on the difference between the target output power from the radio frequency power amplifier and the measured output power from the radio frequency power amplifier.

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