FR2634559B1 - METHOD FOR MEASURING LOW CURRENTS WITH HIGH DYNAMICS BY FREQUENCY CURRENT CONVERSION AND DEVICE FOR IMPLEMENTING SAME - Google Patents

METHOD FOR MEASURING LOW CURRENTS WITH HIGH DYNAMICS BY FREQUENCY CURRENT CONVERSION AND DEVICE FOR IMPLEMENTING SAME

Info

Publication number
FR2634559B1
FR2634559B1 FR8809878A FR8809878A FR2634559B1 FR 2634559 B1 FR2634559 B1 FR 2634559B1 FR 8809878 A FR8809878 A FR 8809878A FR 8809878 A FR8809878 A FR 8809878A FR 2634559 B1 FR2634559 B1 FR 2634559B1
Authority
FR
France
Prior art keywords
frequency current
current conversion
low currents
measuring low
high dynamics
Prior art date
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.)
Expired - Lifetime
Application number
FR8809878A
Other languages
French (fr)
Other versions
FR2634559A1 (en
Inventor
Marie-Paul Guillot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR8809878A priority Critical patent/FR2634559B1/en
Publication of FR2634559A1 publication Critical patent/FR2634559A1/en
Application granted granted Critical
Publication of FR2634559B1 publication Critical patent/FR2634559B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
FR8809878A 1988-07-21 1988-07-21 METHOD FOR MEASURING LOW CURRENTS WITH HIGH DYNAMICS BY FREQUENCY CURRENT CONVERSION AND DEVICE FOR IMPLEMENTING SAME Expired - Lifetime FR2634559B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8809878A FR2634559B1 (en) 1988-07-21 1988-07-21 METHOD FOR MEASURING LOW CURRENTS WITH HIGH DYNAMICS BY FREQUENCY CURRENT CONVERSION AND DEVICE FOR IMPLEMENTING SAME

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8809878A FR2634559B1 (en) 1988-07-21 1988-07-21 METHOD FOR MEASURING LOW CURRENTS WITH HIGH DYNAMICS BY FREQUENCY CURRENT CONVERSION AND DEVICE FOR IMPLEMENTING SAME

Publications (2)

Publication Number Publication Date
FR2634559A1 FR2634559A1 (en) 1990-01-26
FR2634559B1 true FR2634559B1 (en) 1990-11-30

Family

ID=9368643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8809878A Expired - Lifetime FR2634559B1 (en) 1988-07-21 1988-07-21 METHOD FOR MEASURING LOW CURRENTS WITH HIGH DYNAMICS BY FREQUENCY CURRENT CONVERSION AND DEVICE FOR IMPLEMENTING SAME

Country Status (1)

Country Link
FR (1) FR2634559B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320817A1 (en) * 1993-06-23 1995-01-05 Leybold Ag Measuring amplifier

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6613014A (en) * 1966-09-15 1968-03-18
EP0148296B1 (en) * 1984-01-09 1988-06-22 Leybold Aktiengesellschaft Method and circuit for converting a measuring current into an impulse rate proportional to the measuring current

Also Published As

Publication number Publication date
FR2634559A1 (en) 1990-01-26

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