CN114514488A - 一种包络跟踪调制器及发射装置 - Google Patents

一种包络跟踪调制器及发射装置 Download PDF

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Publication number
CN114514488A
CN114514488A CN201980100723.XA CN201980100723A CN114514488A CN 114514488 A CN114514488 A CN 114514488A CN 201980100723 A CN201980100723 A CN 201980100723A CN 114514488 A CN114514488 A CN 114514488A
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China
Prior art keywords
power supply
power
power amplifier
output
voltage
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CN201980100723.XA
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李伟男
钱耀
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits

Abstract

一种包络跟踪调制器(ETM)及发射装置，用于解决现有的ET/APT双模电源存在的不同类型的功率放大器(PA)之间相互影响的问题。包络跟踪调制器(ETM)包括：单输入双输出DC/DC变换器(201)，其第一输出端用于输出第一电源电压，第二输出端用于输出第一直流电压，第一电源电压用于采用APT方式驱动至少一个第一功率放大器(APT PA)；单输入单输出DC/DC变换器(202)，其输出端用于输出第二直流电压；线性放大器(203)，用于在第一直流电压的供电下对包络信号进行放大，输出第一交流电压，第二直流电压和第一交流电压构成第二电源电压，第二电源电压用于采用ET方式驱动至少一个第二功率放大器(ETPA)。

Description

PCT国内申请，说明书已公开。

Claims (8)

  1. PCT国内申请，权利要求书已公开。
CN201980100723.XA 2019-09-30 2019-09-30 一种包络跟踪调制器及发射装置 Pending CN114514488A (zh)

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PCT/CN2019/109570 WO2021062685A1 (zh) 2019-09-30 2019-09-30 一种包络跟踪调制器及发射装置

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CN114514488A true CN114514488A (zh) 2022-05-17

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WO (1) WO2021062685A1 (zh)

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* Cited by examiner, † Cited by third party
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CN216721327U (zh) * 2022-01-28 2022-06-10 Oppo广东移动通信有限公司 射频前端模组和射频系统
CN114785290B (zh) * 2022-06-17 2022-09-09 绍兴圆方半导体有限公司 包络跟踪电源调制器、芯片及射频放大系统

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US20180013465A1 (en) * 2016-07-06 2018-01-11 Qorvo Us, Inc. Multi-mode radio frequency circuitry
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US20190115873A1 (en) * 2017-04-25 2019-04-18 Qorvo Us, Inc. Multi-mode power management system supporting fifth-generation new radio

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US9525384B2 (en) * 2014-09-02 2016-12-20 Samsung Electronics Co., Ltd Method and apparatus for supplying power to a radio frequency power amplifier
CN104779922B (zh) * 2015-05-08 2018-05-22 宜确半导体（苏州）有限公司 用于优化射频功率放大器性能的高电压包络跟踪器

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050007083A1 (en) * 2003-07-10 2005-01-13 Ta-Yung Yang Power supply having multi-vector error amplifier for power factor correction
US20140361837A1 (en) * 2011-02-01 2014-12-11 Mediatek Singapore Pte. Ltd. Integrated circuit wireless communication unit and method for providing a power supply
CN103633949A (zh) * 2012-08-21 2014-03-12 唯捷创芯(天津)电子技术有限公司 多模功率放大器、多模切换方法及其移动终端
WO2014118344A2 (en) * 2013-02-01 2014-08-07 Nujira Limited Low power modes for 3g/4g envelope tracking modulator
CN107404226A (zh) * 2013-03-14 2017-11-28 匡坦斯公司 射频功率放大器系统、电源和供电方法
CN104065267A (zh) * 2013-03-22 2014-09-24 富士通株式会社 电源装置和半导体集成电路装置
US9065509B1 (en) * 2014-01-09 2015-06-23 Mediatek Inc. Methods and apparatus for envelope tracking system
CN104486845A (zh) * 2014-12-19 2015-04-01 北京中科汉天下电子技术有限公司 一种多模多频通信系统
US20170006544A1 (en) * 2015-07-01 2017-01-05 Rf Micro Devices, Inc. Dual-output asynchronous power converter circuitry
US20180013465A1 (en) * 2016-07-06 2018-01-11 Qorvo Us, Inc. Multi-mode radio frequency circuitry
CN107733461A (zh) * 2016-08-12 2018-02-23 联发科技股份有限公司 电源电路
CN108107959A (zh) * 2016-11-25 2018-06-01 三星电子株式会社 电源调制器和包括电源调制器的通信装置
US20190115873A1 (en) * 2017-04-25 2019-04-18 Qorvo Us, Inc. Multi-mode power management system supporting fifth-generation new radio

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