IT1240671B - Preamplificatore microfonico bilanciato in tecnologia cmos - Google Patents

Preamplificatore microfonico bilanciato in tecnologia cmos

Info

Publication number
IT1240671B
IT1240671B IT19533A IT1953390A IT1240671B IT 1240671 B IT1240671 B IT 1240671B IT 19533 A IT19533 A IT 19533A IT 1953390 A IT1953390 A IT 1953390A IT 1240671 B IT1240671 B IT 1240671B
Authority
IT
Italy
Prior art keywords
balanced
cmos technology
microphone preamplifier
preamplifier
microphone
Prior art date
Application number
IT19533A
Other languages
English (en)
Other versions
IT9019533A0 (it
IT9019533A1 (it
Inventor
Germano Nicollini
Original Assignee
Sos-Thomson Microelectronics
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 Sos-Thomson Microelectronics filed Critical Sos-Thomson Microelectronics
Priority to IT19533A priority Critical patent/IT1240671B/it
Publication of IT9019533A0 publication Critical patent/IT9019533A0/it
Priority to EP91101929A priority patent/EP0444466B1/en
Priority to DE69121430T priority patent/DE69121430T2/de
Priority to US07/662,243 priority patent/US5130666A/en
Priority to JP3035933A priority patent/JP3007431B2/ja
Publication of IT9019533A1 publication Critical patent/IT9019533A1/it
Application granted granted Critical
Publication of IT1240671B publication Critical patent/IT1240671B/it

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
    • H03F3/45183—Long tailed pairs
    • 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
    • H03F1/086—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers with FET's
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
    • H03F3/3022—CMOS common source output SEPP amplifiers
    • H03F3/3023—CMOS common source output SEPP amplifiers with asymmetrical driving of the end stage
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/261—Amplifier which being suitable for instrumentation applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IT19533A 1990-03-01 1990-03-01 Preamplificatore microfonico bilanciato in tecnologia cmos IT1240671B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT19533A IT1240671B (it) 1990-03-01 1990-03-01 Preamplificatore microfonico bilanciato in tecnologia cmos
EP91101929A EP0444466B1 (en) 1990-03-01 1991-02-12 Balanced microphone preamplifier in CMOS technology
DE69121430T DE69121430T2 (de) 1990-03-01 1991-02-12 Mikrophongegentaktvorverstärker in CMOS-Technik
US07/662,243 US5130666A (en) 1990-03-01 1991-02-27 Balanced microphone preamplifier in cmos technology
JP3035933A JP3007431B2 (ja) 1990-03-01 1991-03-01 Ｃｍｏｓ技法における平衡マイクロホーンの前置増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19533A IT1240671B (it) 1990-03-01 1990-03-01 Preamplificatore microfonico bilanciato in tecnologia cmos

Publications (3)

Publication Number Publication Date
IT9019533A0 IT9019533A0 (it) 1990-03-01
IT9019533A1 IT9019533A1 (it) 1991-09-01
IT1240671B true IT1240671B (it) 1993-12-17

Family

ID=11158845

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19533A IT1240671B (it) 1990-03-01 1990-03-01 Preamplificatore microfonico bilanciato in tecnologia cmos

Country Status (5)

Country Link
US (1) US5130666A (it)
EP (1) EP0444466B1 (it)
JP (1) JP3007431B2 (it)
DE (1) DE69121430T2 (it)
IT (1) IT1240671B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5596289A (en) * 1995-05-15 1997-01-21 National Science Council Differential-difference current conveyor and applications therefor
JP3384207B2 (ja) * 1995-09-22 2003-03-10 株式会社デンソー 差動増幅回路
US6018267A (en) * 1998-03-10 2000-01-25 Information Storage Devices, Inc. High output swing operational amplifier using low voltage devices
US6066985A (en) * 1998-09-10 2000-05-23 Seiko Epson Corporation Large swing input/output analog buffer
US20070143715A1 (en) * 1999-05-25 2007-06-21 Silverbrook Research Pty Ltd Method of providing information via printed substrate and gesture recognition
US7793824B2 (en) * 1999-05-25 2010-09-14 Silverbrook Research Pty Ltd System for enabling access to information
US7971784B2 (en) * 1999-05-25 2011-07-05 Silverbrook Research Pty Ltd Sensing device with mode changes via nib switch
EP1194909A4 (en) * 1999-06-07 2003-05-02 Traptec Corp GRAFFIT DETECTING SYSTEM AND METHOD
US6559686B1 (en) * 2000-05-12 2003-05-06 Cypress Semiconductor Corp. Analog envelope detector
US7072478B2 (en) * 2001-09-24 2006-07-04 Taylor Hohendahl Engineering Llp Microphone preamplifier
US7466835B2 (en) 2003-03-18 2008-12-16 Sonion A/S Miniature microphone with balanced termination
JP2004343277A (ja) * 2003-05-14 2004-12-02 Mitsubishi Electric Corp 入力バッファ回路
JP4472507B2 (ja) * 2004-12-16 2010-06-02 日本電気株式会社 差動増幅器及びそれを用いた表示装置のデータドライバ並びに差動増幅器の制御方法
US7248117B1 (en) * 2005-02-04 2007-07-24 Marvell International Ltd. Frequency compensation architecture for stable high frequency operation
DE102006043746A1 (de) * 2006-09-13 2008-03-27 Micronas Gmbh Schaltungsanordnung zur Unterdrückung von Einschaltgeräuschen
JP4337866B2 (ja) * 2006-11-10 2009-09-30 セイコーエプソン株式会社 アナログ回路、電子機器及びオペアンプ
KR101183986B1 (ko) 2008-12-19 2012-09-19 한국전자통신연구원 고입력 임피던스를 갖는 리드아웃 회로
JP5200927B2 (ja) * 2008-12-29 2013-06-05 セイコーエプソン株式会社 アナログ回路及び電子機器
JP4764493B2 (ja) * 2009-04-22 2011-09-07 ルネサスエレクトロニクス株式会社 半導体装置及びそれを用いた表示装置のデータドライバ
KR101601179B1 (ko) 2014-10-20 2016-03-08 현대자동차 주식회사 마이크로폰의 아날로그 신호 처리 회로

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944944A (en) * 1974-10-24 1976-03-16 Ellenbecker Daniel G Power amplifier with distortion control
DE2951024A1 (de) * 1979-12-19 1981-06-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verstaerkerschaltung
DE3701791A1 (de) * 1987-01-22 1988-08-04 Siemens Ag Differenzverstaerker mit steuerbarer leistungsaufnahme
US4742308A (en) * 1987-04-10 1988-05-03 American Telephone And Telegraph Company, At&T Bell Laboratories Balanced output analog differential amplifier circuit
US4797631A (en) * 1987-11-24 1989-01-10 Texas Instruments Incorporated Folded cascode amplifier with rail-to-rail common-mode range
US4884039A (en) * 1988-09-09 1989-11-28 Texas Instruments Incorporated Differential amplifier with low noise offset compensation

Also Published As

Publication number Publication date
DE69121430T2 (de) 1997-01-02
US5130666A (en) 1992-07-14
IT9019533A0 (it) 1990-03-01
JPH04217106A (ja) 1992-08-07
JP3007431B2 (ja) 2000-02-07
DE69121430D1 (de) 1996-09-26
EP0444466B1 (en) 1996-08-21
EP0444466A1 (en) 1991-09-04
IT9019533A1 (it) 1991-09-01

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970329