TW200608701A - Amplification device - Google Patents

Amplification device

Info

Publication number
TW200608701A
TW200608701A TW094116240A TW94116240A TW200608701A TW 200608701 A TW200608701 A TW 200608701A TW 094116240 A TW094116240 A TW 094116240A TW 94116240 A TW94116240 A TW 94116240A TW 200608701 A TW200608701 A TW 200608701A
Authority
TW
Taiwan
Prior art keywords
terminal
resistance element
alternating current
side input
current signal
Prior art date
Application number
TW094116240A
Other languages
English (en)
Other versions
TWI302054B (en
Inventor
Hiroshi Kojima
Yuki Kiri
Original Assignee
Sanyo Electric Co
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 Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of TW200608701A publication Critical patent/TW200608701A/zh
Application granted granted Critical
Publication of TWI302054B publication Critical patent/TWI302054B/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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/14—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with amplifying devices having more than three electrodes or more than two PN junctions
    • 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
    • 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
    • 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
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
TW094116240A 2004-08-26 2005-05-19 Amplification device TWI302054B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004246464A JP4573602B2 (ja) 2004-08-26 2004-08-26 増幅装置

Publications (2)

Publication Number Publication Date
TW200608701A true TW200608701A (en) 2006-03-01
TWI302054B TWI302054B (en) 2008-10-11

Family

ID=35942252

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094116240A TWI302054B (en) 2004-08-26 2005-05-19 Amplification device

Country Status (5)

Country Link
US (1) US7224226B2 (zh)
JP (1) JP4573602B2 (zh)
KR (1) KR100646725B1 (zh)
CN (1) CN1741374B (zh)
TW (1) TWI302054B (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7279968B2 (en) * 2005-01-25 2007-10-09 Analog Devices, Inc. Amplifier output voltage swing extender circuit and method
JP2010103842A (ja) * 2008-10-24 2010-05-06 Sanyo Electric Co Ltd 増幅素子
JP2010161475A (ja) * 2009-01-06 2010-07-22 Toshiba Corp アレーアンテナ
US8405534B2 (en) 2009-10-21 2013-03-26 Asahi Kasei Microdevices Corporation Two-wire transmitter
WO2013142944A1 (en) * 2012-03-29 2013-10-03 George Townsend Differential amplifier and electrode for measuring a biopotential
US9681211B2 (en) 2013-07-12 2017-06-13 Infineon Technologies Ag System and method for a microphone amplifier
US9357295B2 (en) 2013-10-22 2016-05-31 Infineon Technologies Ag System and method for a transducer interface
DE112015006229T5 (de) 2015-02-27 2017-11-09 Tdk Corporation Integrierte Schaltungsanordnung für ein Mikrofon, Mikrofonsystem und Verfahren zum Justieren eines oder mehrerer Schaltungsparameter des Mikrofonsystems
JP7191598B2 (ja) * 2018-09-06 2022-12-19 日清紡マイクロデバイス株式会社 増幅装置
JP2021191079A (ja) * 2020-05-28 2021-12-13 ミツミ電機株式会社 直流電源装置およびそれに用いる電流安定化回路並びに電源ラインのノイズ抑制方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768028A (en) * 1972-03-22 1973-10-23 Optimation Inc A.c.-d.c. amplifier system
JPS525204A (en) * 1975-07-01 1977-01-14 Seiko Epson Corp Hearing aid
JPH0612856B2 (ja) * 1985-09-30 1994-02-16 株式会社東芝 増幅回路
JP2707667B2 (ja) * 1988-12-27 1998-02-04 日本電気株式会社 比較回路
IT1250825B (it) * 1991-07-29 1995-04-21 St Microelectronics Srl Amplificatore,particolarmente amplificatore integrato.
JPH05281972A (ja) * 1992-03-30 1993-10-29 Kawai Musical Instr Mfg Co Ltd 効果装置
US5345185A (en) * 1992-04-14 1994-09-06 Analog Devices, Inc. Logarithmic amplifier gain stage
JPH05333950A (ja) * 1992-06-03 1993-12-17 Nec Corp 定電流回路
JPH069224U (ja) * 1992-07-07 1994-02-04 明 永井 増幅器
JP3046152B2 (ja) * 1992-09-08 2000-05-29 株式会社日立製作所 増幅回路
CN1089768A (zh) * 1993-01-04 1994-07-20 赵杰 宽频带电视天线放大器
FR2743243B1 (fr) * 1995-12-29 1998-01-30 Thomson Multimedia Sa Circuit de traitement numerique a controle de gain
US6268770B1 (en) 1998-07-17 2001-07-31 Anthony T. Barbetta Wide bandwidth, current sharing, MOSFET audio power amplifier with multiple feedback loops
JP3805543B2 (ja) * 1998-11-19 2006-08-02 三菱電機株式会社 半導体集積回路
US6064261A (en) * 1999-04-23 2000-05-16 Guzik Technical Enterprises Write amplifier with improved switching performance, output common-mode voltage, and head current control
JP2001102875A (ja) * 1999-10-01 2001-04-13 Hosiden Corp 半導体増幅回路及び半導体エレクトレットコンデンサマイクロホン
US6433611B1 (en) * 2000-03-24 2002-08-13 Sige Microsystems Inc. Voltage level shifting circuit
JP2002026664A (ja) * 2000-07-10 2002-01-25 Toshiba Microelectronics Corp 増幅回路
JP2003243944A (ja) 2002-02-15 2003-08-29 Sanyo Electric Co Ltd 高入力インピーダンス増幅器及びエレクトレットコンデンサマイクロフォン用の半導体集積回路。
JP3696590B2 (ja) 2002-11-25 2005-09-21 東光株式会社 定電圧電源

Also Published As

Publication number Publication date
US7224226B2 (en) 2007-05-29
TWI302054B (en) 2008-10-11
CN1741374A (zh) 2006-03-01
CN1741374B (zh) 2010-04-21
JP4573602B2 (ja) 2010-11-04
US20060044062A1 (en) 2006-03-02
KR100646725B1 (ko) 2006-11-23
KR20060050639A (ko) 2006-05-19
JP2006067166A (ja) 2006-03-09

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Legal Events

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