IT8320680A0 - Circuito per una sorgente disegnali di alta impedenza. - Google Patents

Circuito per una sorgente disegnali di alta impedenza.

Info

Publication number
IT8320680A0
IT8320680A0 IT8320680A IT2068083A IT8320680A0 IT 8320680 A0 IT8320680 A0 IT 8320680A0 IT 8320680 A IT8320680 A IT 8320680A IT 2068083 A IT2068083 A IT 2068083A IT 8320680 A0 IT8320680 A0 IT 8320680A0
Authority
IT
Italy
Prior art keywords
circuit
high impedance
impedance source
source designs
designs
Prior art date
Application number
IT8320680A
Other languages
English (en)
Other versions
IT1170129B (it
IT8320680A1 (it
Inventor
Scott Harrison Early
Roger Leon Minear
Original Assignee
Western 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 Western Electric Co filed Critical Western Electric Co
Publication of IT8320680A0 publication Critical patent/IT8320680A0/it
Publication of IT8320680A1 publication Critical patent/IT8320680A1/it
Application granted granted Critical
Publication of IT1170129B publication Critical patent/IT1170129B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/16—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with field-effect 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/306—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in junction-FET amplifiers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Networks Using Active Elements (AREA)
IT20680/83A 1982-04-21 1983-04-19 Circuito per una sorgente di segnali di alta impedenza IT1170129B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/370,498 US4473794A (en) 1982-04-21 1982-04-21 Current repeater

Publications (3)

Publication Number Publication Date
IT8320680A0 true IT8320680A0 (it) 1983-04-19
IT8320680A1 IT8320680A1 (it) 1984-10-19
IT1170129B IT1170129B (it) 1987-06-03

Family

ID=23459928

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20680/83A IT1170129B (it) 1982-04-21 1983-04-19 Circuito per una sorgente di segnali di alta impedenza

Country Status (10)

Country Link
US (1) US4473794A (it)
EP (1) EP0105911B1 (it)
KR (1) KR900007920B1 (it)
AU (1) AU559556B2 (it)
CA (1) CA1199985A (it)
DE (1) DE3367709D1 (it)
GB (1) GB2118796B (it)
HK (1) HK80586A (it)
IT (1) IT1170129B (it)
WO (1) WO1983003931A1 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567381A (en) * 1983-12-01 1986-01-28 Rca Corporation Bias network having one mode for producing a regulated output
NL193545C (nl) * 1983-12-29 2000-01-04 Mitsubishi Electric Corp Constante stroom opwekkende schakeling.
US4882482A (en) * 1988-10-26 1989-11-21 Tektronix, Inc. Thermally stabilized optical preamplifier
JPH03159410A (ja) * 1989-11-17 1991-07-09 Toshiba Corp カレントミラー回路
IT1239899B (it) * 1990-03-22 1993-11-23 Sgs Thomson Microelectronics Amplificatore a basso rumore e alta impedenza d'ingresso, particolarmente per microfoni
IL96274A0 (en) * 1990-11-08 1991-08-16 Keter Plastic Ltd Razor having integral hair detection means
US5373253A (en) * 1993-09-20 1994-12-13 International Business Machines Corporation Monolithic current mirror circuit employing voltage feedback for β-independent dynamic range
US5521490A (en) * 1994-08-08 1996-05-28 National Semiconductor Corporation Current mirror with improved input voltage headroom
FR2769164B1 (fr) * 1997-09-26 2002-10-31 Alain Maurice Ange Magagnini Dispositif micro electrostatique a interface circuit integre
US6404223B1 (en) 2001-01-22 2002-06-11 Mayo Foundation For Medical Education And Research Self-terminating current mirror transceiver logic
US8878601B2 (en) * 2012-05-31 2014-11-04 Taiwan Semiconductor Manufacturing Company, Ltd. Power supply circuit with positive and negative feedback loops

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626321A (en) * 1948-05-29 1953-01-20 Rca Corp Phase inverter circuits
US3305638A (en) * 1964-02-17 1967-02-21 Steven D Teachout Condenser microphone circuit with solid electrolyte battery polarizing source
US3676790A (en) * 1971-06-03 1972-07-11 Bell Telephone Labor Inc Differential feedback amplifier
US3851269A (en) * 1972-03-01 1974-11-26 Khl Res And Dev Corp Hum reduction in transistor amplifiers
JPS4890447A (it) * 1972-03-02 1973-11-26
US3806742A (en) * 1972-11-01 1974-04-23 Motorola Inc Mos voltage reference circuit
US3922596A (en) * 1973-08-13 1975-11-25 Motorola Inc Current regulator
JPS5541049B2 (it) * 1973-09-28 1980-10-22
US4008441A (en) * 1974-08-16 1977-02-15 Rca Corporation Current amplifier
US3944756A (en) * 1975-03-05 1976-03-16 Electro-Voice, Incorporated Electret microphone
JPS52112258A (en) * 1976-03-17 1977-09-20 Matsushita Electric Ind Co Ltd Active load circuit
US4278889A (en) * 1979-10-15 1981-07-14 Ohio Nuclear, Inc. Current amplifier with automatic drift correction for tomographic scanners

Also Published As

Publication number Publication date
IT1170129B (it) 1987-06-03
KR900007920B1 (ko) 1990-10-23
GB2118796A (en) 1983-11-02
KR840004833A (ko) 1984-10-24
GB2118796B (en) 1986-02-05
EP0105911A1 (en) 1984-04-25
EP0105911A4 (en) 1984-09-14
US4473794A (en) 1984-09-25
IT8320680A1 (it) 1984-10-19
AU1514483A (en) 1983-11-21
AU559556B2 (en) 1987-03-12
WO1983003931A1 (en) 1983-11-10
CA1199985A (en) 1986-01-28
DE3367709D1 (en) 1987-01-02
EP0105911B1 (en) 1986-11-12
HK80586A (en) 1986-10-31
GB8310198D0 (en) 1983-05-18

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