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US Patent 11057012 Distributed envelope tracking amplifier circuit and related apparatus

Patent 11057012 was granted and assigned to Qorvo on July, 2021 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Applicant
Qorvo
Qorvo
1
Current Assignee
Qorvo
Qorvo
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
110570121
Patent Inventor Names
Nadim Khlat1
Date of Patent
July 6, 2021
1
Patent Application Number
162677401
Date Filed
February 5, 2019
1
Patent Citations
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US Patent 10110169 Apparatus and methods for envelope tracking systems with automatic mode selection
1
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US Patent 10141891 Power amplifier with supply switching
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US Patent 10158330 Multi-mode envelope tracking amplifier circuit
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US Patent 10171037 Multi-mode power management system supporting fifth-generation new radio
1
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US Patent 10171038 Envelope-tracking power supply modulator
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US Patent 10181826 Envelope tracking amplifier circuit
1
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US Patent 10204775 High pressure mass spectrometry systems and methods
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US Patent 10305429 Supply modulator and communication device including the same
1
...
Patent Citations Received
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US Patent 11671064 Equalizer for envelope power supply circuitry
23
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US Patent 11677365 Envelope tracking power management apparatus incorporating multiple power amplifiers
24
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US Patent 11626844 Envelope tracking radio frequency front-end circuit
25
Patent Primary Examiner
‌
Khanh V Nguyen
1
Patent abstract

A distributed envelope tracking (ET) amplifier circuit and related apparatus are provided. The distributed ET amplifier apparatus includes an amplifier circuit configured to amplify a radio frequency (RF) signal based on a modulated voltage. In examples discussed herein, the amplifier circuit is co-located with an ET voltage circuit configured to supply the modulated voltage such that a trace inductance between the amplifier circuit and the ET voltage circuit can be reduced to below a defined threshold. By co-locating the amplifier circuit with the ET voltage circuit to reduce a coupling distance between the amplifier circuit and the ET voltage circuit and thus the trace inductance associated with the coupling distance, it may be possible to reduce degradation in the modulated voltage. As a result, it may be possible to improve efficiency and maintain linearity in the amplifier circuit, particularly when the RF signal is modulated at a higher modulation bandwidth.

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