SG83825A1 - Low-voltage, broadband operational amplifier - Google Patents

Low-voltage, broadband operational amplifier

Info

Publication number
SG83825A1
SG83825A1 SG200006503A SG200006503A SG83825A1 SG 83825 A1 SG83825 A1 SG 83825A1 SG 200006503 A SG200006503 A SG 200006503A SG 200006503 A SG200006503 A SG 200006503A SG 83825 A1 SG83825 A1 SG 83825A1
Authority
SG
Singapore
Prior art keywords
amplifier
common mode
voltage
operational amplifier
low voltage
Prior art date
Application number
SG200006503A
Other languages
English (en)
Inventor
Nagaraj Krishnasawamy
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of SG83825A1 publication Critical patent/SG83825A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational 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
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • H03F3/45695—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedforward means
    • H03F3/45699—Measuring at the input circuit of the differential amplifier
    • H03F3/45704—Controlling the input circuit of the differential amplifier
    • 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
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • H03F3/45636—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedback means
    • H03F3/45641—Measuring at the loading circuit of the differential amplifier
    • H03F3/45659—Controlling the loading circuit of the differential 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
    • H03F2203/45394—Indexing scheme relating to differential amplifiers the AAC of the dif amp comprising FETs whose sources are not coupled, i.e. the AAC being a pseudo-differential amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Logic Circuits (AREA)
  • Networks Using Active Elements (AREA)
SG200006503A 1999-10-25 2000-10-25 Low-voltage, broadband operational amplifier SG83825A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16128299P 1999-10-25 1999-10-25
US09/655,697 US6529070B1 (en) 1999-10-25 2000-09-06 Low-voltage, broadband operational amplifier

Publications (1)

Publication Number Publication Date
SG83825A1 true SG83825A1 (en) 2001-10-16

Family

ID=26857687

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200006503A SG83825A1 (en) 1999-10-25 2000-10-25 Low-voltage, broadband operational amplifier

Country Status (9)

Country Link
US (2) US6529070B1 (de)
EP (1) EP1096671B1 (de)
JP (1) JP2001230637A (de)
KR (1) KR100765591B1 (de)
AT (1) ATE430404T1 (de)
DE (1) DE60042101D1 (de)
IL (1) IL139260A0 (de)
SG (1) SG83825A1 (de)
TW (1) TW518817B (de)

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Also Published As

Publication number Publication date
US20030001674A1 (en) 2003-01-02
EP1096671A1 (de) 2001-05-02
IL139260A0 (en) 2001-11-25
EP1096671B1 (de) 2009-04-29
KR100765591B1 (ko) 2007-10-09
ATE430404T1 (de) 2009-05-15
TW518817B (en) 2003-01-21
DE60042101D1 (de) 2009-06-10
US6529070B1 (en) 2003-03-04
JP2001230637A (ja) 2001-08-24
US6624698B2 (en) 2003-09-23
KR20010067342A (ko) 2001-07-12

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