ATE537603T1 - Rauscharmer verstärker und differenzverstärker - Google Patents

Rauscharmer verstärker und differenzverstärker

Info

Publication number
ATE537603T1
ATE537603T1 AT08018346T AT08018346T ATE537603T1 AT E537603 T1 ATE537603 T1 AT E537603T1 AT 08018346 T AT08018346 T AT 08018346T AT 08018346 T AT08018346 T AT 08018346T AT E537603 T1 ATE537603 T1 AT E537603T1
Authority
AT
Austria
Prior art keywords
amplifier
low noise
resistor
feedback
negative feedback
Prior art date
Application number
AT08018346T
Other languages
English (en)
Inventor
Kouichiro Yamaguchi
Original Assignee
Icom 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 Icom Inc filed Critical Icom Inc
Application granted granted Critical
Publication of ATE537603T1 publication Critical patent/ATE537603T1/de

Links

Classifications

    • 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
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • H03F3/45089—Non-folded cascode stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/117—A coil being coupled in a feedback path of an amplifier stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/153—Feedback used to stabilise the amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/36—Indexing scheme relating to amplifiers the amplifier comprising means for increasing the bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in 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
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45516—Indexing scheme relating to differential amplifiers the FBC comprising a coil and being coupled between the LC and the IC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45621—Indexing scheme relating to differential amplifiers the IC comprising a transformer for phase splitting the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45722—Indexing scheme relating to differential amplifiers the LC comprising one or more source followers, as post buffer or driver stages, in cascade in the LC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45731—Indexing scheme relating to differential amplifiers the LC comprising a transformer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5009—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the output signal being capacitively coupled to the source of the source follower
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/50—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F2203/5021—Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower the source follower has a controlled source circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT08018346T 2007-10-31 2008-10-20 Rauscharmer verstärker und differenzverstärker ATE537603T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007284566A JP4998211B2 (ja) 2007-10-31 2007-10-31 低雑音増幅器及び差動増幅器

Publications (1)

Publication Number Publication Date
ATE537603T1 true ATE537603T1 (de) 2011-12-15

Family

ID=40050368

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08018346T ATE537603T1 (de) 2007-10-31 2008-10-20 Rauscharmer verstärker und differenzverstärker

Country Status (4)

Country Link
US (1) US7633344B2 (de)
EP (1) EP2056448B1 (de)
JP (1) JP4998211B2 (de)
AT (1) ATE537603T1 (de)

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JP4803189B2 (ja) * 2008-01-31 2011-10-26 アイコム株式会社 差動増幅器
JP5109874B2 (ja) * 2008-08-28 2012-12-26 アイコム株式会社 低雑音増幅器
TWI404329B (zh) * 2009-06-11 2013-08-01 Nat Univ Tsing Hua 寬頻高電流輸出級電路
JP5137141B2 (ja) * 2009-07-24 2013-02-06 日本電信電話株式会社 トランスインピーダンスアンプ
KR20120061155A (ko) 2010-11-01 2012-06-13 한국전자통신연구원 귀환 증폭기
EP2466746B1 (de) * 2010-12-16 2013-09-18 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Rauscharmer Verstärker
JP5704051B2 (ja) * 2011-02-24 2015-04-22 富士通株式会社 増幅回路
US8362813B2 (en) 2011-03-24 2013-01-29 Pericom Semiconductor Corp. Re-driver with pre-emphasis injected through a transformer and tuned by an L-C tank
KR101094397B1 (ko) 2011-05-27 2011-12-15 (주)다빛다인 증폭 회로 및 이를 이용한 디지털 마이크로폰
RU2488952C1 (ru) * 2012-01-10 2013-07-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС") Избирательный усилитель
CN103259553A (zh) * 2012-02-17 2013-08-21 Imec公司 一种用于无线电设备的前端系统
JP5700722B2 (ja) * 2013-08-23 2015-04-15 日本電信電話株式会社 周波数変換器
CN103457545B (zh) * 2013-09-11 2016-05-04 东华理工大学 三维电阻率采集系统的超低噪声模拟放大器
JP6416020B2 (ja) 2015-03-09 2018-10-31 株式会社東芝 能動負荷回路及び半導体集積回路
US9831832B2 (en) * 2015-04-30 2017-11-28 Taiwan Semiconductor Manufacturing Company, Ltd. Low noise amplifier having transformer feedback and method of using the same
US9531086B1 (en) 2016-01-06 2016-12-27 International Business Machines Corporation Dynamic phased array tapering without phase recalibration
US9912301B2 (en) * 2016-04-12 2018-03-06 City University Of Hong Kong Facilitation of increased bandwidth for a low noise amplifier
US10038413B2 (en) * 2016-12-13 2018-07-31 Globalfoundries Inc. Fully depleted silicon on insulator power amplifier
CN111245373B (zh) * 2020-01-16 2022-10-28 中国科学技术大学 一种采用部分有源负反馈技术及正反馈技术的超宽带低噪声放大器
CN113242020A (zh) * 2021-04-26 2021-08-10 北京智联安科技有限公司 一种宽带匹配低噪声放大器

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JPH04154310A (ja) * 1990-10-18 1992-05-27 Nec Corp トランジスタ増幅器
US6011438A (en) * 1997-11-27 2000-01-04 Nec Corporation Push-pull wideband semiconductor amplifier
JP2002043866A (ja) * 2000-07-27 2002-02-08 Sanyo Electric Co Ltd 広帯域増幅回路
US6542037B2 (en) * 2001-08-09 2003-04-01 Tyco Electronics Corp. Low distortion broadband amplifier using GaAs pHEMT devices
JP3929031B2 (ja) 2002-03-28 2007-06-13 松下電器産業株式会社 増幅装置
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JP4662888B2 (ja) * 2006-05-31 2011-03-30 アイコム株式会社 可変利得増幅器及び差動増幅器

Also Published As

Publication number Publication date
US7633344B2 (en) 2009-12-15
EP2056448B1 (de) 2011-12-14
US20090108937A1 (en) 2009-04-30
EP2056448A3 (de) 2010-02-24
JP4998211B2 (ja) 2012-08-15
EP2056448A2 (de) 2009-05-06
JP2009111933A (ja) 2009-05-21

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