AU2003264757A1 - Transconductance amplifiers - Google Patents

Transconductance amplifiers

Info

Publication number
AU2003264757A1
AU2003264757A1 AU2003264757A AU2003264757A AU2003264757A1 AU 2003264757 A1 AU2003264757 A1 AU 2003264757A1 AU 2003264757 A AU2003264757 A AU 2003264757A AU 2003264757 A AU2003264757 A AU 2003264757A AU 2003264757 A1 AU2003264757 A1 AU 2003264757A1
Authority
AU
Australia
Prior art keywords
transconductance amplifiers
transconductance
amplifiers
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
AU2003264757A
Other versions
AU2003264757A8 (en
Inventor
Edward Mauger Granville
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.)
Cirrus Logic International UK Ltd
Original Assignee
Wolfson Microelectronics PLC
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
Priority claimed from GB0220990A external-priority patent/GB2393055B/en
Application filed by Wolfson Microelectronics PLC filed Critical Wolfson Microelectronics PLC
Publication of AU2003264757A8 publication Critical patent/AU2003264757A8/en
Publication of AU2003264757A1 publication Critical patent/AU2003264757A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
    • H03M1/164—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages
    • H03M1/167—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages all stages comprising simultaneous converters
AU2003264757A 2002-09-10 2003-09-10 Transconductance amplifiers Abandoned AU2003264757A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0220990.6 2002-09-10
GB0220990A GB2393055B (en) 2002-09-10 2002-09-10 Transconductance amplifiers
US10/247,357 US6831507B2 (en) 2002-09-10 2002-09-20 Transconductance amplifiers
US10/247,357 2002-09-20
PCT/GB2003/003941 WO2004025827A2 (en) 2002-09-10 2003-09-10 Transconductance amplifiers

Publications (2)

Publication Number Publication Date
AU2003264757A8 AU2003264757A8 (en) 2004-04-30
AU2003264757A1 true AU2003264757A1 (en) 2004-04-30

Family

ID=31995695

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003264757A Abandoned AU2003264757A1 (en) 2002-09-10 2003-09-10 Transconductance amplifiers

Country Status (3)

Country Link
CN (1) CN100511978C (en)
AU (1) AU2003264757A1 (en)
WO (1) WO2004025827A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI472149B (en) * 2010-03-02 2015-02-01 Marvell World Trade Ltd Dual carrier amplifier circuits and methods
CN102403966B (en) * 2010-09-14 2015-07-22 意法半导体研发（上海）有限公司 Method and device for reducing input differential pairs of voltage interpolation amplifier of digital-to-analog converter
US9264002B2 (en) * 2014-02-19 2016-02-16 Analog Devices Global Apparatus and methods for improving common mode rejection ratio
US9294037B2 (en) * 2014-03-24 2016-03-22 Analog Devices Global Apparatus and methods for autozero amplifiers
TWI545890B (en) * 2014-05-09 2016-08-11 友達光電股份有限公司 Electronic device and comparator thereof
KR102509819B1 (en) * 2015-11-04 2023-03-14 삼성전자주식회사 Signal processing apparatus and signal processing method
CN107947794B (en) * 2017-11-30 2021-02-26 无锡中微爱芯电子有限公司 Error correction circuit for correcting offset error of analog-to-digital converter
CN110120814B (en) * 2019-04-25 2021-05-04 电子科技大学 Current comparator for eliminating offset error and comparison method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404525A (en) * 1981-03-03 1983-09-13 American Microsystems, Inc. Switched capacitor gain stage with offset and switch feedthrough cancellation scheme
FR2604835B1 (en) * 1986-10-07 1995-05-05 Efcis HIGH GAIN SWITCHED CAPACITY AMPLIFIER
JP4066211B2 (en) * 1997-06-06 2008-03-26 財団法人国際科学振興財団 Charge transfer amplifier circuit, voltage comparator and sense amplifier
US6011433A (en) * 1998-10-22 2000-01-04 Pmc-Sierra Ltd. Generalized procedure for the calibration of switched capacitor gain stages
US6169427B1 (en) * 1998-12-10 2001-01-02 National Semiconductor Corporation Sample and hold circuit having single-ended input and differential output and method

Also Published As

Publication number Publication date
CN100511978C (en) 2009-07-08
AU2003264757A8 (en) 2004-04-30
WO2004025827A3 (en) 2004-07-01
WO2004025827A2 (en) 2004-03-25
CN1682437A (en) 2005-10-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase