AU5534298A - Tunable MOS linear transconductance amplifier having source-coupled pair and square-root circuits - Google Patents

Tunable MOS linear transconductance amplifier having source-coupled pair and square-root circuits

Info

Publication number
AU5534298A
AU5534298A AU55342/98A AU5534298A AU5534298A AU 5534298 A AU5534298 A AU 5534298A AU 55342/98 A AU55342/98 A AU 55342/98A AU 5534298 A AU5534298 A AU 5534298A AU 5534298 A AU5534298 A AU 5534298A
Authority
AU
Australia
Prior art keywords
square
source
transconductance amplifier
coupled pair
linear transconductance
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.)
Abandoned
Application number
AU55342/98A
Inventor
Katsuji Kimura
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of AU5534298A publication Critical patent/AU5534298A/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/20Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211Modifications of amplifiers to reduce non-linear distortion in differential amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
AU55342/98A 1997-02-17 1998-02-17 Tunable MOS linear transconductance amplifier having source-coupled pair and square-root circuits Abandoned AU5534298A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3195497A JPH10229311A (en) 1997-02-17 1997-02-17 Mos line transconductance amplifier
JP9-31954 1997-02-17

Publications (1)

Publication Number Publication Date
AU5534298A true AU5534298A (en) 1998-08-20

Family

ID=12345359

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55342/98A Abandoned AU5534298A (en) 1997-02-17 1998-02-17 Tunable MOS linear transconductance amplifier having source-coupled pair and square-root circuits

Country Status (4)

Country Link
JP (1) JPH10229311A (en)
CN (1) CN1191414A (en)
AU (1) AU5534298A (en)
GB (1) GB2322247A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325341A (en) * 1997-03-28 1998-11-18 Nec Corp A composite transistor for a current squarer and analog multiplier
JP2002084145A (en) 2000-09-08 2002-03-22 Nec Corp Mos linear transconductance amplifier
ATE406690T1 (en) * 2001-02-21 2008-09-15 Nxp Bv INTERFACE CIRCUIT FOR A DIFFERENTIAL SIGNAL
JP2003216252A (en) * 2001-11-15 2003-07-31 Seiko Instruments Inc Voltage regulator
CN100446417C (en) * 2004-12-23 2008-12-24 中国科学院电子学研究所 Differential circuit for reading out signal of integrated ISFET sensor based on two modes
US8086207B2 (en) * 2007-03-19 2011-12-27 Qualcomm Incorporated Linear transconductor for RF communications
KR101774245B1 (en) 2013-02-18 2017-09-19 엘에스산전 주식회사 Root-mean square detector and circuit breaker thereof
CN107479620B (en) * 2017-08-03 2019-04-05 广东顺德中山大学卡内基梅隆大学国际联合研究院 A kind of square rootkey transconductance circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2556293B2 (en) * 1994-06-09 1996-11-20 日本電気株式会社 MOS OTA

Also Published As

Publication number Publication date
JPH10229311A (en) 1998-08-25
CN1191414A (en) 1998-08-26
GB9803348D0 (en) 1998-04-15
GB2322247A (en) 1998-08-19

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Legal Events

Date Code Title Description
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period