JP6661659B2 - アクティブフィードバックを用いたベースバンドフィルタのための線形化方式 - Google Patents

アクティブフィードバックを用いたベースバンドフィルタのための線形化方式 Download PDF

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Publication number
JP6661659B2
JP6661659B2 JP2017551122A JP2017551122A JP6661659B2 JP 6661659 B2 JP6661659 B2 JP 6661659B2 JP 2017551122 A JP2017551122 A JP 2017551122A JP 2017551122 A JP2017551122 A JP 2017551122A JP 6661659 B2 JP6661659 B2 JP 6661659B2
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Japan
Prior art keywords
transistor
resistor
current signal
node
coupled
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Expired - Fee Related
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JP2017551122A
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English (en)
Japanese (ja)
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JP2018510585A5 (enExample
JP2018510585A (ja
Inventor
アスリ、ブシャン・シャンティ
ジョーシー、アロック・プラカシュ
ラジェンドラン、ジリーシュ
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0035—Channel filtering, i.e. selecting a frequency channel within a software radio system
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • 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
    • H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0042—Digital filtering
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/129—Indexing scheme relating to amplifiers there being a feedback over the complete amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/165—A filter circuit coupled to the input of an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/456—A scaled replica of a transistor being present in an amplifier
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B2001/307—Circuits for homodyne or synchrodyne receivers using n-port mixer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
JP2017551122A 2015-04-01 2016-03-08 アクティブフィードバックを用いたベースバンドフィルタのための線形化方式 Expired - Fee Related JP6661659B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562141685P 2015-04-01 2015-04-01
US62/141,685 2015-04-01
US14/806,334 2015-07-22
US14/806,334 US9608569B2 (en) 2015-04-01 2015-07-22 Linearizing scheme for baseband filter with active feedback
PCT/US2016/021369 WO2016160287A1 (en) 2015-04-01 2016-03-08 Linearizing scheme for baseband filter with active feedback

Publications (3)

Publication Number Publication Date
JP2018510585A JP2018510585A (ja) 2018-04-12
JP2018510585A5 JP2018510585A5 (enExample) 2019-03-28
JP6661659B2 true JP6661659B2 (ja) 2020-03-11

Family

ID=55650696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017551122A Expired - Fee Related JP6661659B2 (ja) 2015-04-01 2016-03-08 アクティブフィードバックを用いたベースバンドフィルタのための線形化方式

Country Status (6)

Country Link
US (1) US9608569B2 (enExample)
EP (1) EP3278453A1 (enExample)
JP (1) JP6661659B2 (enExample)
KR (1) KR20170133365A (enExample)
CN (1) CN107438952B (enExample)
WO (1) WO2016160287A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10566930B2 (en) * 2017-04-27 2020-02-18 Silicon Laboratories Inc. Dynamically controlling a negative impedance of a voltage controlled oscillator
US11901921B2 (en) * 2020-11-02 2024-02-13 Nokia Solutions And Networks Oy Radio apparatus
US12249965B2 (en) * 2022-06-21 2025-03-11 Qualcomm Incorporated Front-end circuitry with amplifier protection

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340868A (en) * 1980-05-12 1982-07-20 Motorola, Inc. Current mode biquadratic active filter
US4540952A (en) * 1981-09-08 1985-09-10 At&T Bell Laboratories Nonintegrating receiver
US4462001A (en) 1982-02-22 1984-07-24 Canadian Patents & Development Limited Baseband linearizer for wideband, high power, nonlinear amplifiers
JP3166681B2 (ja) * 1997-10-31 2001-05-14 ヤマハ株式会社 アクティブフィルタおよびアクティブフィルタ用集積回路
JP2001339275A (ja) * 2000-05-29 2001-12-07 Oki Electric Ind Co Ltd フィルタ回路とこれを用いた検波回路
US6433528B1 (en) * 2000-12-20 2002-08-13 Texas Instruments Incorporated High impedance mirror scheme with enhanced compliance voltage
JP4658623B2 (ja) * 2005-01-20 2011-03-23 ローム株式会社 定電流回路、それを用いた電源装置および発光装置
CN101268612A (zh) * 2005-09-23 2008-09-17 格罗纳乌有限公司 滤波器电路
US7504814B2 (en) * 2006-09-18 2009-03-17 Analog Integrations Corporation Current generating apparatus and feedback-controlled system utilizing the current generating apparatus
US8093952B2 (en) * 2006-12-29 2012-01-10 Broadcom Corporation Method and system for precise current matching in deep sub-micron technology
US8219049B2 (en) * 2008-03-31 2012-07-10 Javelin Semiconductor, Inc. Generating a process and temperature tracking bias voltage
KR20110115138A (ko) * 2009-01-19 2011-10-20 스카이워크스 솔루션즈, 인코포레이티드 프로그래머블 송신 연속-시간 필터
US8120417B2 (en) 2009-07-20 2012-02-21 Texas Instruments Incorporated Transfer-function control in an active filter
WO2012029078A2 (en) 2010-09-02 2012-03-08 The Secretary, Department Of Information Technology (Dit) Low distortion filters
US8995936B2 (en) 2011-11-14 2015-03-31 Ethertronics, Inc. Communication system with band, mode, impedance and linearization self-adjustment
US8831551B2 (en) * 2012-01-20 2014-09-09 Mediatek Inc. Receiver
US8918070B2 (en) 2012-05-04 2014-12-23 Analog Devices, Inc. Frequency tuning for LC circuits
CN103828244B (zh) 2012-06-21 2016-03-02 华为技术有限公司 超外差式接收器及接收方法
US9160277B2 (en) * 2012-09-14 2015-10-13 Aviacomm Inc. High efficiency and high linearity adaptive power amplifier for signals with high PAPR
US9603187B2 (en) 2012-11-14 2017-03-21 Qualcomm Incorporated Omni-band amplifiers
US9362870B2 (en) * 2013-08-01 2016-06-07 Skyworks Solutions, Inc. Apparatus and methods for biasing power amplifiers
CN103780223B (zh) * 2014-01-23 2017-02-08 西安电子科技大学 中心频率线性可调的窄带滤波器

Also Published As

Publication number Publication date
WO2016160287A1 (en) 2016-10-06
JP2018510585A (ja) 2018-04-12
CN107438952B (zh) 2019-08-23
CN107438952A (zh) 2017-12-05
KR20170133365A (ko) 2017-12-05
US20160294327A1 (en) 2016-10-06
EP3278453A1 (en) 2018-02-07
US9608569B2 (en) 2017-03-28

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