TW200840207A - Differential feedback amplifier circuit with cross coupled capacitors - Google Patents

Differential feedback amplifier circuit with cross coupled capacitors Download PDF

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Publication number
TW200840207A
TW200840207A TW096111185A TW96111185A TW200840207A TW 200840207 A TW200840207 A TW 200840207A TW 096111185 A TW096111185 A TW 096111185A TW 96111185 A TW96111185 A TW 96111185A TW 200840207 A TW200840207 A TW 200840207A
Authority
TW
Taiwan
Prior art keywords
source
differential amplifier
transistor
terminal
stage
Prior art date
Application number
TW096111185A
Other languages
English (en)
Chinese (zh)
Other versions
TWI330934B (enExample
Inventor
Tung-Ming Su
jun-zhe Lin
Original Assignee
Novatek Microelectronics 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 Novatek Microelectronics Corp filed Critical Novatek Microelectronics Corp
Priority to TW096111185A priority Critical patent/TW200840207A/zh
Priority to US11/980,708 priority patent/US7538615B2/en
Publication of TW200840207A publication Critical patent/TW200840207A/zh
Application granted granted Critical
Publication of TWI330934B publication Critical patent/TWI330934B/zh

Links

Classifications

    • 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
    • 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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/483—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with field-effect transistors
    • 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
    • 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
    • H03F2203/45018—Indexing scheme relating to differential amplifiers the differential amplifier amplifying transistors have added cross couplings
    • 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
    • H03F2203/45134—Indexing scheme relating to differential amplifiers the whole differential amplifier together with other coupled stages being fully differential realised
    • 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
    • H03F2203/45288—Differential amplifier with circuit arrangements to enhance the transconductance
    • 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
    • H03F2203/45296—Indexing scheme relating to differential amplifiers the AAC comprising one or more discrete capacitive elements, e.g. a transistor coupled as capacitor
    • 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
    • H03F2203/45318—Indexing scheme relating to differential amplifiers the AAC comprising a cross coupling circuit, e.g. two extra transistors cross coupled
    • 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
    • H03F2203/45722—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
TW096111185A 2007-03-30 2007-03-30 Differential feedback amplifier circuit with cross coupled capacitors TW200840207A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW096111185A TW200840207A (en) 2007-03-30 2007-03-30 Differential feedback amplifier circuit with cross coupled capacitors
US11/980,708 US7538615B2 (en) 2007-03-30 2007-10-31 Differential feedback amplifier circuit with cross coupled capacitors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW096111185A TW200840207A (en) 2007-03-30 2007-03-30 Differential feedback amplifier circuit with cross coupled capacitors

Publications (2)

Publication Number Publication Date
TW200840207A true TW200840207A (en) 2008-10-01
TWI330934B TWI330934B (enExample) 2010-09-21

Family

ID=39793246

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096111185A TW200840207A (en) 2007-03-30 2007-03-30 Differential feedback amplifier circuit with cross coupled capacitors

Country Status (2)

Country Link
US (1) US7538615B2 (enExample)
TW (1) TW200840207A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101153552B1 (ko) * 2010-12-07 2012-06-12 한국과학기술원 선형 증폭기
JP2012169820A (ja) * 2011-02-14 2012-09-06 Renesas Electronics Corp プリアンプ回路、及びマイクロフォン

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3380371B2 (ja) * 1995-06-22 2003-02-24 三菱電機株式会社 広帯域増幅器

Also Published As

Publication number Publication date
TWI330934B (enExample) 2010-09-21
US7538615B2 (en) 2009-05-26
US20080238548A1 (en) 2008-10-02

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees