AT377873B - Impedanzwandlerschaltung fuer kapazitive spannungsquellen - Google Patents

Impedanzwandlerschaltung fuer kapazitive spannungsquellen

Info

Publication number
AT377873B
AT377873B AT0452381A AT452381A AT377873B AT 377873 B AT377873 B AT 377873B AT 0452381 A AT0452381 A AT 0452381A AT 452381 A AT452381 A AT 452381A AT 377873 B AT377873 B AT 377873B
Authority
AT
Austria
Prior art keywords
converter circuit
voltage sources
impedance converter
capacitive voltage
capacitive
Prior art date
Application number
AT0452381A
Other languages
English (en)
Other versions
ATA452381A (de
Inventor
Ernst Ing Ruberl
Original Assignee
Akg Akustische Kino Geraete
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 Akg Akustische Kino Geraete filed Critical Akg Akustische Kino Geraete
Priority to AT0452381A priority Critical patent/AT377873B/de
Priority to DE19823238254 priority patent/DE3238254A1/de
Priority to JP57182245A priority patent/JPS5880917A/ja
Priority to US06/435,501 priority patent/US4521741A/en
Priority to GB08230067A priority patent/GB2108797B/en
Publication of ATA452381A publication Critical patent/ATA452381A/de
Application granted granted Critical
Publication of AT377873B publication Critical patent/AT377873B/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
    • H03F3/1855—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices with junction-FET devices
    • 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
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
AT0452381A 1981-10-22 1981-10-22 Impedanzwandlerschaltung fuer kapazitive spannungsquellen AT377873B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT0452381A AT377873B (de) 1981-10-22 1981-10-22 Impedanzwandlerschaltung fuer kapazitive spannungsquellen
DE19823238254 DE3238254A1 (de) 1981-10-22 1982-10-15 Rauscharme verstaerkerschaltung, insbesondere fuer kondensatormikrophone
JP57182245A JPS5880917A (ja) 1981-10-22 1982-10-19 インピ−ダンス変換器回路
US06/435,501 US4521741A (en) 1981-10-22 1982-10-20 Impedance transformer circuit
GB08230067A GB2108797B (en) 1981-10-22 1982-10-21 An impedance transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0452381A AT377873B (de) 1981-10-22 1981-10-22 Impedanzwandlerschaltung fuer kapazitive spannungsquellen

Publications (2)

Publication Number Publication Date
ATA452381A ATA452381A (de) 1984-09-15
AT377873B true AT377873B (de) 1985-05-10

Family

ID=3565129

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0452381A AT377873B (de) 1981-10-22 1981-10-22 Impedanzwandlerschaltung fuer kapazitive spannungsquellen

Country Status (5)

Country Link
US (1) US4521741A (de)
JP (1) JPS5880917A (de)
AT (1) AT377873B (de)
DE (1) DE3238254A1 (de)
GB (1) GB2108797B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2141961A1 (de) * 1971-08-21 1973-03-01 Walter Hofmann Verlegeeinrichtung fuer strassen-markierungsmaterialien
DE3724262A1 (de) * 1986-07-31 1988-02-11 Akg Akustische Kino Geraete Schaltungsanordnung fuer kapazitive spannungsquellen hoher ausgangsimpedanz, insbesondere fuer kondensatormikrophone

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2599852B1 (fr) * 1986-06-06 1988-06-24 Labo Electronique Physique Circuit d'entree pour sonde d'analyseur logique, et sonde et analyseur logique munis d'un tel circuit
JPH03130967A (ja) * 1989-03-31 1991-06-04 Sharp Corp 磁気再生ヘッドアンプ
IT1239899B (it) * 1990-03-22 1993-11-23 Sgs Thomson Microelectronics Amplificatore a basso rumore e alta impedenza d'ingresso, particolarmente per microfoni
US5317280A (en) * 1993-09-21 1994-05-31 Hewlett-Packard Company High impedance circuit using PFET
JPH07309200A (ja) * 1995-01-30 1995-11-28 Nippon Seiko Kk 車両用シートベルト装置のウエビングの製造方法
TW392416B (en) * 1997-08-18 2000-06-01 Noise Cancellation Tech Noise cancellation system for active headsets
EP1261083A1 (de) * 2001-05-25 2002-11-27 Agilent Technologies, Inc. (a Delaware corporation) Treiberschaltung, Messschaltung und zugehörige Verstärkerschaltung
US7683577B2 (en) * 2005-03-07 2010-03-23 O2Micro International Limited Battery state monitoring circuitry with low power consumption during a stand-by-state of a battery pack
JP4672539B2 (ja) * 2005-12-06 2011-04-20 パナソニック株式会社 コンデンサマイクロホン装置
EP3792622B1 (de) 2019-09-10 2023-06-07 Mettler-Toledo GmbH Schnittstelleneinheit zum ankoppeln einer sonde an ein messsystem

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757241A (en) * 1971-11-24 1973-09-04 Keithley Instruments A c amplifier having d c bias stabilization
DE2456081A1 (de) * 1973-11-27 1975-05-28 Commissariat Energie Atomique Ladungsvorverstaerker
DE2501288B2 (de) * 1974-01-17 1977-10-13 The Acoustical Manufacturing Co Ltd, London Anordnung zum verstaerken elektrischer signale

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3408571A (en) * 1966-01-27 1968-10-29 Wilson George Paul Transistorized high-input-impedance amplifier
US3577090A (en) * 1969-08-25 1971-05-04 Shell Oil Co Fast settling, stable amplifier circuit
US3757214A (en) * 1971-07-06 1973-09-04 Gordon Eng Co Programmable multi mode phase sensitive voltmeter
US4035738A (en) * 1976-05-17 1977-07-12 The United States Of America As Represented By The Secretary Of The Navy Low noise amplifier
JPS5433703A (en) * 1977-08-18 1979-03-12 Hitachi Maxell Magnetic recording medium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757241A (en) * 1971-11-24 1973-09-04 Keithley Instruments A c amplifier having d c bias stabilization
DE2456081A1 (de) * 1973-11-27 1975-05-28 Commissariat Energie Atomique Ladungsvorverstaerker
DE2501288B2 (de) * 1974-01-17 1977-10-13 The Acoustical Manufacturing Co Ltd, London Anordnung zum verstaerken elektrischer signale

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2141961A1 (de) * 1971-08-21 1973-03-01 Walter Hofmann Verlegeeinrichtung fuer strassen-markierungsmaterialien
DE3724262A1 (de) * 1986-07-31 1988-02-11 Akg Akustische Kino Geraete Schaltungsanordnung fuer kapazitive spannungsquellen hoher ausgangsimpedanz, insbesondere fuer kondensatormikrophone
DE3724262C2 (de) * 1986-07-31 1995-11-23 Akg Akustische Kino Geraete Schaltungsanordnung für kapazitive Spannungsquellen hoher Ausgangsimpedanz, insbesondere für Kondensatormikrophone

Also Published As

Publication number Publication date
GB2108797A (en) 1983-05-18
GB2108797B (en) 1985-07-03
JPH0213854B2 (de) 1990-04-05
US4521741A (en) 1985-06-04
JPS5880917A (ja) 1983-05-16
DE3238254C2 (de) 1988-07-14
ATA452381A (de) 1984-09-15
DE3238254A1 (de) 1983-05-05

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Legal Events

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