BE795784A - Appareil pour la mesure des courants faibles - Google Patents

Appareil pour la mesure des courants faibles

Info

Publication number
BE795784A
BE795784A BE795784DA BE795784A BE 795784 A BE795784 A BE 795784A BE 795784D A BE795784D A BE 795784DA BE 795784 A BE795784 A BE 795784A
Authority
BE
Belgium
Prior art keywords
low currents
measuring low
measuring
currents
low
Prior art date
Application number
Other languages
English (en)
Original Assignee
Taylor Servomex Ltd
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.)
Publication date
Publication of BE795784A publication Critical patent/BE795784A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/12—Measuring rate of change
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction 
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
BE795784D 1972-02-22 Appareil pour la mesure des courants faibles BE795784A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB810272A GB1414985A (en) 1972-02-22 1972-02-22 Current measurement

Publications (1)

Publication Number Publication Date
BE795784A true BE795784A (fr) 1973-06-18

Family

ID=9845808

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795784D BE795784A (fr) 1972-02-22 Appareil pour la mesure des courants faibles

Country Status (6)

Country Link
JP (1) JPS4897575A (fr)
BE (1) BE795784A (fr)
DE (1) DE2308788A1 (fr)
FR (1) FR2173207A1 (fr)
GB (1) GB1414985A (fr)
NL (1) NL7302437A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235851A (en) * 1975-09-16 1977-03-18 Seiko Instr & Electronics Ltd Power source voltage detection circuit
JPH0559332U (ja) * 1992-01-17 1993-08-06 株式会社アドバンテスト 微小電流測定器
SI21892A (sl) * 2004-09-29 2006-04-30 Vinko Kunc Postopek in vezje za merjenje zelo nizke jakosti elektricnega toka
DE102009022135A1 (de) 2009-05-20 2010-11-25 Universität Osnabrück Schaltungsanordnung zur Messung von elektrischem Strom
GB2564872A (en) * 2017-07-25 2019-01-30 Quepal Ltd Measurement of instantaneous current
IT201900013065A1 (it) * 2019-07-26 2021-01-26 Eldor Corp Spa Sistema di alimentazione con protezione da variazioni di corrente

Also Published As

Publication number Publication date
JPS4897575A (fr) 1973-12-12
NL7302437A (fr) 1973-08-24
GB1414985A (en) 1975-11-26
DE2308788A1 (de) 1973-08-30
FR2173207A1 (fr) 1973-10-05

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