JPS4897575A - - Google Patents

Info

Publication number
JPS4897575A
JPS4897575A JP2169373A JP2169373A JPS4897575A JP S4897575 A JPS4897575 A JP S4897575A JP 2169373 A JP2169373 A JP 2169373A JP 2169373 A JP2169373 A JP 2169373A JP S4897575 A JPS4897575 A JP S4897575A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2169373A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4897575A publication Critical patent/JPS4897575A/ja
Pending legal-status Critical Current

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 OR CALCULATING; 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 specially adapted therefor
    • G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for addition or subtraction 
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 specially adapted therefor
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor 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)
JP2169373A 1972-02-22 1973-02-22 Pending JPS4897575A (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
JPS4897575A true JPS4897575A (fr) 1973-12-12

Family

ID=9845808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2169373A Pending JPS4897575A (fr) 1972-02-22 1973-02-22

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (5)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
FR2173207A1 (fr) 1973-10-05
NL7302437A (fr) 1973-08-24
BE795784A (fr) 1973-06-18
DE2308788A1 (de) 1973-08-30
GB1414985A (en) 1975-11-26

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