WO2021097495A3 - Linearity-preserving amplifier - Google Patents

Linearity-preserving amplifier Download PDF

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Publication number
WO2021097495A3
WO2021097495A3 PCT/US2021/021185 US2021021185W WO2021097495A3 WO 2021097495 A3 WO2021097495 A3 WO 2021097495A3 US 2021021185 W US2021021185 W US 2021021185W WO 2021097495 A3 WO2021097495 A3 WO 2021097495A3
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
amplifier circuit
power amplifier
input
components
Prior art date
Application number
PCT/US2021/021185
Other languages
French (fr)
Other versions
WO2021097495A2 (en
Inventor
Jason Xiangdong DENG
Original Assignee
Futurewei Technologies, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Futurewei Technologies, Inc. filed Critical Futurewei Technologies, Inc.
Priority to PCT/US2021/021185 priority Critical patent/WO2021097495A2/en
Priority to CN202180095097.7A priority patent/CN116982257A/en
Publication of WO2021097495A2 publication Critical patent/WO2021097495A2/en
Publication of WO2021097495A3 publication Critical patent/WO2021097495A3/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)

Abstract

A radio frequency (RF) power amplifier including a driver amplifier circuit, a power amplifier circuit, an inter-stage impedance matching network connecting an output of the driver amplifier circuit to a first input of the power amplifier circuit, and a bias circuit connecting the output of the driver amplifier circuit to a second input of the power amplifier circuit. Components and techniques conducive to minimizing power consumption and achieving other benefits are employed in the RF power amplifier. The bias circuit includes an emitter follower circuit and a boost circuit that operate in tandem to dynamically counteract nonlinear distortion and other effects introduced at least in part by such components and techniques.
PCT/US2021/021185 2021-03-05 2021-03-05 Linearity-preserving amplifier WO2021097495A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2021/021185 WO2021097495A2 (en) 2021-03-05 2021-03-05 Linearity-preserving amplifier
CN202180095097.7A CN116982257A (en) 2021-03-05 2021-03-05 Linear holding amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2021/021185 WO2021097495A2 (en) 2021-03-05 2021-03-05 Linearity-preserving amplifier

Publications (2)

Publication Number Publication Date
WO2021097495A2 WO2021097495A2 (en) 2021-05-20
WO2021097495A3 true WO2021097495A3 (en) 2021-07-01

Family

ID=75912502

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2021/021185 WO2021097495A2 (en) 2021-03-05 2021-03-05 Linearity-preserving amplifier

Country Status (2)

Country Link
CN (1) CN116982257A (en)
WO (1) WO2021097495A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919656A (en) * 1973-04-23 1975-11-11 Nathan O Sokal High-efficiency tuned switching power amplifier
US6333677B1 (en) * 2000-10-10 2001-12-25 Rf Micro Devices, Inc. Linear power amplifier bias circuit
US20060261890A1 (en) * 2005-05-18 2006-11-23 Floyd Brian A Circuits and methods for implementing power amplifiers for millimeter wave applications
US7365604B2 (en) * 2005-12-16 2008-04-29 Mediatek Inc. RF amplifier with a bias boosting scheme
US9143172B2 (en) * 2009-06-03 2015-09-22 Qualcomm Incorporated Tunable matching circuits for power amplifiers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919656A (en) * 1973-04-23 1975-11-11 Nathan O Sokal High-efficiency tuned switching power amplifier
US6333677B1 (en) * 2000-10-10 2001-12-25 Rf Micro Devices, Inc. Linear power amplifier bias circuit
US20060261890A1 (en) * 2005-05-18 2006-11-23 Floyd Brian A Circuits and methods for implementing power amplifiers for millimeter wave applications
US7365604B2 (en) * 2005-12-16 2008-04-29 Mediatek Inc. RF amplifier with a bias boosting scheme
US9143172B2 (en) * 2009-06-03 2015-09-22 Qualcomm Incorporated Tunable matching circuits for power amplifiers

Also Published As

Publication number Publication date
WO2021097495A2 (en) 2021-05-20
CN116982257A (en) 2023-10-31

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