CN110771034A - 一种用于时分双工模式的功率放大电路 - Google Patents

一种用于时分双工模式的功率放大电路 Download PDF

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Publication number
CN110771034A
CN110771034A CN201780091318.7A CN201780091318A CN110771034A CN 110771034 A CN110771034 A CN 110771034A CN 201780091318 A CN201780091318 A CN 201780091318A CN 110771034 A CN110771034 A CN 110771034A
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circuit
time division
division duplex
power amplification
power
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CN110771034B (zh
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黎峰
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Nokia Shanghai Bell Co Ltd
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Nokia Shanghai Bell Co Ltd
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

一种用于时分双工模式的功率放大电路,其特征在于,所述功率放大电路包括功率放大偏置电路(1)和时分双工切换电路(2);所述功率放大偏置电路(1)用于在功率放大器中产生恒定的静态电流;所述功率放大偏置电路(1)包括第一场效应管和第二场效应管,并且,第一场效应管和第二场效应管形成镜像电流源;所述时分双工切换电路(2)用于切换串联至所述功率放大偏置电路(1)的门电路的电阻。该功率放大电路具有以下优点:满足快速时分双工切换的需求的同时,在射频放大器中保持静态电流恒定;由简单且造价较低的元件实现,易于集成到功率发射器的芯片,且成本较低。

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PCT国内申请,说明书已公开。

Claims (7)

  1. PCT国内申请,权利要求书已公开。
CN201780091318.7A 2017-06-30 2017-06-30 一种用于时分双工模式的功率放大电路 Active CN110771034B (zh)

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PCT/CN2017/091244 WO2019000426A1 (zh) 2017-06-30 2017-06-30 一种用于时分双工模式的功率放大电路

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IT201900011475A1 (it) * 2019-07-11 2021-01-11 Teko Telecom S R L Circuito per la commutazione tra modalita’ operativa downlink/uplink in un sistema di comunicazione tdd wireless

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CN1592145A (zh) * 2004-06-17 2005-03-09 Ut斯达康通讯有限公司 通讯信号双向放大装置
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KR100704686B1 (ko) * 2004-09-14 2007-04-06 아바고테크놀로지스코리아 주식회사 다이오드 전압제어를 통한 전력증폭기의 온도보상회로
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* Cited by examiner, † Cited by third party
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CN1592145A (zh) * 2004-06-17 2005-03-09 Ut斯达康通讯有限公司 通讯信号双向放大装置
CN1750385A (zh) * 2004-09-15 2006-03-22 胡嘉宾 大功率tdd射频功率放大器
CN1905356A (zh) * 2005-07-28 2007-01-31 中兴通讯股份有限公司 用于时分双工模式的低时延温度补偿偏置电路
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JP2009272914A (ja) * 2008-05-08 2009-11-19 Fujitsu Ltd Fet増幅器のバイアス回路
CN101478293A (zh) * 2008-12-02 2009-07-08 锐迪科微电子(上海)有限公司 温度补偿功率放大器电路
CN201374691Y (zh) * 2009-02-12 2009-12-30 苏州通创微芯有限公司 一种用于流水线模数转换器的动态偏置产生电路
TW201630338A (zh) * 2015-02-15 2016-08-16 西凱渥資訊處理科技公司 由升壓轉換器驅動之射頻功率放大器
CN106208980A (zh) * 2016-06-27 2016-12-07 锐迪科微电子(上海)有限公司 一种射频功率放大器偏置电路及其实现方法

Non-Patent Citations (3)

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Title
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王传新: "半双工对讲机及其自动倒向电路的设计" *
王向前;: "GPS接收机CMOS低噪声放大器设计" *

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WO2019000426A1 (zh) 2019-01-03

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