FR2911446B1 - Amplificateur a transconductance a filtre de rejection de bruit hors bande utile - Google Patents

Amplificateur a transconductance a filtre de rejection de bruit hors bande utile

Info

Publication number
FR2911446B1
FR2911446B1 FR0700287A FR0700287A FR2911446B1 FR 2911446 B1 FR2911446 B1 FR 2911446B1 FR 0700287 A FR0700287 A FR 0700287A FR 0700287 A FR0700287 A FR 0700287A FR 2911446 B1 FR2911446 B1 FR 2911446B1
Authority
FR
France
Prior art keywords
filter out
transconductance amplifier
rejection filter
noise rejection
useful strip
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0700287A
Other languages
English (en)
Other versions
FR2911446A1 (fr
Inventor
James Wei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR0700287A priority Critical patent/FR2911446B1/fr
Priority to US12/523,380 priority patent/US8035422B2/en
Priority to PCT/EP2008/050380 priority patent/WO2008090053A1/fr
Priority to EP08701490A priority patent/EP2095501A1/fr
Publication of FR2911446A1 publication Critical patent/FR2911446A1/fr
Application granted granted Critical
Publication of FR2911446B1 publication Critical patent/FR2911446B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03F1/08—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
    • H03F1/223—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 with MOSFET's
    • 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
    • H03F1/32—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
    • 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
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in differential amplifiers
    • 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
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • 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
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45183—Long tailed pairs
    • H03F3/45188—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
    • H03F3/45—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
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45197—Pl types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/168—Two amplifying stages are coupled by means of a filter circuit
    • 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
    • H03F2200/421—Multiple switches coupled in the output circuit of an amplifier are controlled by a circuit
    • 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
    • H03F2203/45481—Indexing scheme relating to differential amplifiers the CSC comprising only a direct connection to the supply voltage, no other components being present
    • 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
    • H03F2203/45496—Indexing scheme relating to differential amplifiers the CSC comprising one or more extra resistors
    • 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
    • H03F2203/45652—Indexing scheme relating to differential amplifiers the LC comprising one or more further dif amp stages, either identical to the dif amp or not, in cascade

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
FR0700287A 2007-01-16 2007-01-16 Amplificateur a transconductance a filtre de rejection de bruit hors bande utile Expired - Fee Related FR2911446B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0700287A FR2911446B1 (fr) 2007-01-16 2007-01-16 Amplificateur a transconductance a filtre de rejection de bruit hors bande utile
US12/523,380 US8035422B2 (en) 2007-01-16 2008-01-15 Transconductance amplifier with a filter for rejecting noise outside the useful band
PCT/EP2008/050380 WO2008090053A1 (fr) 2007-01-16 2008-01-15 Amplificateur a transconductance a filtre de rejection de bruit hors bande utile.
EP08701490A EP2095501A1 (fr) 2007-01-16 2008-01-15 Amplificateur a transconductance a filtre de rejection de bruit hors bande utile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0700287A FR2911446B1 (fr) 2007-01-16 2007-01-16 Amplificateur a transconductance a filtre de rejection de bruit hors bande utile

Publications (2)

Publication Number Publication Date
FR2911446A1 FR2911446A1 (fr) 2008-07-18
FR2911446B1 true FR2911446B1 (fr) 2012-11-16

Family

ID=38365595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0700287A Expired - Fee Related FR2911446B1 (fr) 2007-01-16 2007-01-16 Amplificateur a transconductance a filtre de rejection de bruit hors bande utile

Country Status (4)

Country Link
US (1) US8035422B2 (fr)
EP (1) EP2095501A1 (fr)
FR (1) FR2911446B1 (fr)
WO (1) WO2008090053A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8823450B2 (en) 2012-07-19 2014-09-02 Honeywell International Inc. Multiple-output transconductance amplifier based instrumentation amplifier
US9112462B2 (en) 2013-05-15 2015-08-18 Honeywell International Inc. Variable-gain dual-output transconductance amplifier-based instrumentation amplifiers
EP3855129B1 (fr) 2017-03-22 2023-10-25 Knowles Electronics, LLC Interface circuit pour un capteur capacitif
CN108801912B (zh) * 2017-05-03 2020-05-26 中国科学院物理研究所 一种用于远红外光谱探测的低噪音前置放大电路
WO2019246152A1 (fr) 2018-06-19 2019-12-26 Knowles Electronics, Llc Ensemble microphone à bruit réduit
WO2019246151A1 (fr) * 2018-06-19 2019-12-26 Knowles Electronics, Llc Amplificateur de transconductance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6262677B1 (en) * 1997-10-31 2001-07-17 Texas Instruments Incorporated Sample-and-hold circuit

Also Published As

Publication number Publication date
WO2008090053A1 (fr) 2008-07-31
FR2911446A1 (fr) 2008-07-18
US20100176882A1 (en) 2010-07-15
US8035422B2 (en) 2011-10-11
EP2095501A1 (fr) 2009-09-02

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 9

ST Notification of lapse

Effective date: 20160930