TW200836478A - Amplifier circuit with internal zero - Google Patents

Amplifier circuit with internal zero Download PDF

Info

Publication number
TW200836478A
TW200836478A TW096106018A TW96106018A TW200836478A TW 200836478 A TW200836478 A TW 200836478A TW 096106018 A TW096106018 A TW 096106018A TW 96106018 A TW96106018 A TW 96106018A TW 200836478 A TW200836478 A TW 200836478A
Authority
TW
Taiwan
Prior art keywords
zero point
pole
current
resistor
point
Prior art date
Application number
TW096106018A
Other languages
English (en)
Chinese (zh)
Other versions
TWI344265B (cg-RX-API-DMAC7.html
Inventor
Hung-Der Su
Jing-Meng Liu
An-Tung Chen
Pao-Chuan Lin
Original Assignee
Richtek Techohnology 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 Richtek Techohnology Corp filed Critical Richtek Techohnology Corp
Priority to TW096106018A priority Critical patent/TW200836478A/zh
Priority to US12/068,774 priority patent/US7652536B2/en
Publication of TW200836478A publication Critical patent/TW200836478A/zh
Application granted granted Critical
Publication of TWI344265B publication Critical patent/TWI344265B/zh

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
    • H03F1/26—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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor 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
    • H03F3/45197—Pl types
    • 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
    • H03F2203/45356—Indexing scheme relating to differential amplifiers the AAC comprising one or more op-amps, e.g. IC-blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
TW096106018A 2007-02-16 2007-02-16 Amplifier circuit with internal zero TW200836478A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW096106018A TW200836478A (en) 2007-02-16 2007-02-16 Amplifier circuit with internal zero
US12/068,774 US7652536B2 (en) 2007-02-16 2008-02-12 Amplifier circuit with internal zeros

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW096106018A TW200836478A (en) 2007-02-16 2007-02-16 Amplifier circuit with internal zero

Publications (2)

Publication Number Publication Date
TW200836478A true TW200836478A (en) 2008-09-01
TWI344265B TWI344265B (cg-RX-API-DMAC7.html) 2011-06-21

Family

ID=39732676

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096106018A TW200836478A (en) 2007-02-16 2007-02-16 Amplifier circuit with internal zero

Country Status (2)

Country Link
US (1) US7652536B2 (cg-RX-API-DMAC7.html)
TW (1) TW200836478A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2372485B1 (en) * 2010-04-01 2014-03-19 ST-Ericsson SA Voltage regulator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6084469A (en) * 1998-03-20 2000-07-04 National Semiconductor Corporation MR-preamp using collector and emitter coupling integrated capacitors
US6822514B1 (en) * 2002-09-16 2004-11-23 National Semiconductor Corporation Amplifier with miller-effect compensation for use in closed loop system such as low dropout voltage regulator

Also Published As

Publication number Publication date
TWI344265B (cg-RX-API-DMAC7.html) 2011-06-21
US7652536B2 (en) 2010-01-26
US20080211581A1 (en) 2008-09-04

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Legal Events

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