CN104937842B - 具有可切换共栅增益缓冲器的放大器 - Google Patents

具有可切换共栅增益缓冲器的放大器 Download PDF

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Publication number
CN104937842B
CN104937842B CN201480004885.0A CN201480004885A CN104937842B CN 104937842 B CN104937842 B CN 104937842B CN 201480004885 A CN201480004885 A CN 201480004885A CN 104937842 B CN104937842 B CN 104937842B
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China
Prior art keywords
gain
channel
buffer
signal
channels
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CN201480004885.0A
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English (en)
Chinese (zh)
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CN104937842A (zh
Inventor
R·兰加拉杰
C·帕特尔
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Qualcomm Inc
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Qualcomm Inc
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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
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
    • H03G1/0029—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements using field-effect transistors [FET]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CN201480004885.0A 2013-01-17 2014-01-15 具有可切换共栅增益缓冲器的放大器 Active CN104937842B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361753777P 2013-01-17 2013-01-17
US61/753,777 2013-01-17
US13/899,091 2013-05-21
US13/899,091 US9184707B2 (en) 2013-01-17 2013-05-21 Amplifier with switchable common gate gain buffer
PCT/US2014/011583 WO2014113417A2 (en) 2013-01-17 2014-01-15 Amplifier with switchable common gate gain buffer

Publications (2)

Publication Number Publication Date
CN104937842A CN104937842A (zh) 2015-09-23
CN104937842B true CN104937842B (zh) 2018-05-22

Family

ID=51164696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480004885.0A Active CN104937842B (zh) 2013-01-17 2014-01-15 具有可切换共栅增益缓冲器的放大器

Country Status (6)

Country Link
US (1) US9184707B2 (enExample)
EP (1) EP2946467B1 (enExample)
JP (1) JP5956091B2 (enExample)
KR (1) KR101649550B1 (enExample)
CN (1) CN104937842B (enExample)
WO (1) WO2014113417A2 (enExample)

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US8772975B2 (en) * 2009-12-07 2014-07-08 Qualcomm Incorporated Apparatus and method for implementing a differential drive amplifier and a coil arrangement
US9300264B2 (en) * 2014-08-22 2016-03-29 Mediatek Inc. Receiver arrangement and method of performing operations of receiver
US9407226B2 (en) 2014-12-18 2016-08-02 Qualcomm Incorporated Gain control in complementary common gate and common source amplifiers
US9553569B1 (en) * 2015-02-04 2017-01-24 Inphi Corporation Low power buffer with dynamic gain control
TWI591959B (zh) * 2016-03-18 2017-07-11 立積電子股份有限公司 主動電路
US9929760B2 (en) * 2016-04-14 2018-03-27 Taiwan Semiconductor Manufacturing Co., Ltd. Ultra-low-power RF receiver frontend with tunable matching networks
DE112017004369T5 (de) * 2016-08-31 2019-05-16 Skyworks Solutions, Inc. Verstärker mit verbesserter rückflussdämpfung undfehlanpassung in abhängigkeit von verstärkungsmodi
US10772052B2 (en) * 2017-06-16 2020-09-08 Qualcomm Incorporated Controlling coexistent radio systems in a wireless device
US12040757B2 (en) 2018-10-03 2024-07-16 Richwave Technology Corp. Amplifier circuit
TWI672903B (zh) 2018-10-03 2019-09-21 立積電子股份有限公司 放大器電路
CN111162809B (zh) * 2019-12-13 2022-04-15 西安易朴通讯技术有限公司 无线接收机及无线设备
US12470184B2 (en) * 2021-03-31 2025-11-11 Skyworks Solutions, Inc. Multi-mode power amplifier signal switching
CN113783571B (zh) * 2021-08-25 2024-03-22 深圳市中科蓝讯科技股份有限公司 信号强度自动调节方法、存储介质及芯片

Citations (4)

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US7474158B1 (en) * 2006-04-10 2009-01-06 Rf Micro Devices, Inc. Dynamic match low noise amplifier with reduced current consumption in low gain mode
WO2010082235A1 (ja) * 2009-01-13 2010-07-22 パナソニック株式会社 可変利得増幅器およびそれを備えた高周波信号受信装置
CN101908863A (zh) * 2009-06-08 2010-12-08 联发科技股份有限公司 可编程增益mos放大器
CN102468812A (zh) * 2010-11-01 2012-05-23 富士通半导体股份有限公司 可变增益放大器

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FR2714237B1 (fr) * 1993-12-17 1996-01-26 Thomson Csf Semiconducteurs Amplificateur à gain variable.
JP2002344266A (ja) * 2001-05-18 2002-11-29 Matsushita Electric Ind Co Ltd 可変利得増幅器
EP1309083A1 (en) 2001-11-06 2003-05-07 Siemens Aktiengesellschaft Method for switching the gain of an amplifier and a switched gain low noise amplifier
DE10300431A1 (de) * 2003-01-09 2004-07-22 Deutsche Thomson-Brandt Gmbh Regelbarer HF-Breitbandverstärker mit konstanter Eingangsimpedanz
US6819179B2 (en) 2003-04-16 2004-11-16 Agency For Science, Technology And Research Variable gain low noise amplifier
US6930554B2 (en) 2003-07-18 2005-08-16 Freescale Semiconductor, Inc. Variable gain low noise amplifier and method
JP2007221402A (ja) * 2006-02-16 2007-08-30 Fujitsu Ltd 可変利得増幅器及びその半導体集積装置
JP4354465B2 (ja) * 2006-03-24 2009-10-28 シャープ株式会社 可変利得増幅器及びこの可変利得増幅器を備えた通信装置
TWI325221B (en) 2006-04-04 2010-05-21 Realtek Semiconductor Corp Low noise amplifier and low noise amplifying method of dynamically adjusting a bias voltage when switching gain modes to improve linearity
GB0807149D0 (en) 2008-04-18 2008-05-21 Elonics Ltd Low noise amplifier
US8035443B2 (en) * 2008-06-20 2011-10-11 Qualcomm, Incorporated Amplifier with gain expansion stage
US8536947B2 (en) * 2008-12-19 2013-09-17 Qualcomm Incorporated Class AB amplifier with resistive level-shifting circuitry
US8031005B2 (en) 2009-03-23 2011-10-04 Qualcomm, Incorporated Amplifier supporting multiple gain modes
JP5308243B2 (ja) * 2009-06-10 2013-10-09 株式会社日立製作所 可変ゲイン回路
US8536950B2 (en) * 2009-08-03 2013-09-17 Qualcomm Incorporated Multi-stage impedance matching
US7952430B1 (en) * 2009-09-10 2011-05-31 Mediatek Singapore Pte. Ltd. Amplifier circuit, integrated circuit and radio frequency communication unit
EP2501035B1 (en) * 2011-03-15 2020-09-30 Nxp B.V. Amplifier
US9059665B2 (en) * 2013-02-22 2015-06-16 Qualcomm Incorporated Amplifiers with multiple outputs and configurable degeneration inductor
EP2784934B1 (en) * 2013-03-25 2020-09-23 Dialog Semiconductor B.V. Electronic biasing circuit for constant transconductance
US9124228B2 (en) * 2013-04-04 2015-09-01 Qualcomm Incorporated Amplifiers with boosted or deboosted source degeneration inductance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7474158B1 (en) * 2006-04-10 2009-01-06 Rf Micro Devices, Inc. Dynamic match low noise amplifier with reduced current consumption in low gain mode
WO2010082235A1 (ja) * 2009-01-13 2010-07-22 パナソニック株式会社 可変利得増幅器およびそれを備えた高周波信号受信装置
CN101908863A (zh) * 2009-06-08 2010-12-08 联发科技股份有限公司 可编程增益mos放大器
CN102468812A (zh) * 2010-11-01 2012-05-23 富士通半导体股份有限公司 可变增益放大器

Also Published As

Publication number Publication date
WO2014113417A2 (en) 2014-07-24
US9184707B2 (en) 2015-11-10
US20140197886A1 (en) 2014-07-17
JP5956091B2 (ja) 2016-07-20
KR101649550B1 (ko) 2016-08-19
CN104937842A (zh) 2015-09-23
EP2946467B1 (en) 2023-11-15
WO2014113417A3 (en) 2014-09-12
KR20150109395A (ko) 2015-10-01
EP2946467A2 (en) 2015-11-25
JP2016504004A (ja) 2016-02-08

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