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Digital compensation system for a radio frequency power amplifier module

專利號
US11996810B2
公開日期
2024-05-28
申請人
Qorvo US, Inc.(US NC Greensboro)
發(fā)明人
Frederick L. Martin; Gangadhar Burra; Nikolaus Klemmer; Paul Edward Gorday; Bror Peterson
IPC分類
H03F3/24; H03F1/02; H03F3/195
技術(shù)領(lǐng)域
amplifier,rf,bias,envelope,signal,digital,gan,dpd,baseband,output
地域: NC NC Greensboro

摘要

A digital compensation system for a radio frequency (RF) power amplifier module is disclosed. The digital compensation system includes an RF power amplifier having a first input, a first output, and a first bias input, wherein the RF power amplifier is configured to receive an RF signal at the first input and generate an amplified version of the RF signal at the first output. The digital compensation system also includes compensation circuitry coupled between the first input and the first output and a bias output coupled to the RF power amplifier, wherein the compensation circuitry is configured, in response to the RF signal, to generate or adjust a bias signal at the first bias input to correct dynamic bias errors caused by amplification variations that have time constants.

說明書

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The embodiments set forth below represent the necessary information to enable those skilled in the art to practice the embodiments and illustrate the best mode of practicing the embodiments. Upon reading the following description in light of the accompanying drawing figures, those skilled in the art will understand the concepts of the disclosure and will recognize applications of these concepts not particularly addressed herein. It should be understood that these concepts and applications fall within the scope of the disclosure and the accompanying claims.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed items.

權(quán)利要求

1
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