IT1084187B - Convertitore per trasformare grandezze analogiche in frequenze - Google Patents

Convertitore per trasformare grandezze analogiche in frequenze

Info

Publication number
IT1084187B
IT1084187B IT26795/77A IT2679577A IT1084187B IT 1084187 B IT1084187 B IT 1084187B IT 26795/77 A IT26795/77 A IT 26795/77A IT 2679577 A IT2679577 A IT 2679577A IT 1084187 B IT1084187 B IT 1084187B
Authority
IT
Italy
Prior art keywords
frequencies
converter
sizes
analogue
transform
Prior art date
Application number
IT26795/77A
Other languages
English (en)
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Application granted granted Critical
Publication of IT1084187B publication Critical patent/IT1084187B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
    • 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
    • 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
    • G01R19/255—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 counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/06—Frequency or rate modulation, i.e. PFM or PRM
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/504—Analogue/digital converters with intermediate conversion to time interval using pulse width modulation
    • H03M1/506—Analogue/digital converters with intermediate conversion to time interval using pulse width modulation the pulse width modulator being of the charge-balancing type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
IT26795/77A 1976-08-25 1977-08-19 Convertitore per trasformare grandezze analogiche in frequenze IT1084187B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1080476A CH601803A5 (it) 1976-08-25 1976-08-25

Publications (1)

Publication Number Publication Date
IT1084187B true IT1084187B (it) 1985-05-25

Family

ID=4367037

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26795/77A IT1084187B (it) 1976-08-25 1977-08-19 Convertitore per trasformare grandezze analogiche in frequenze

Country Status (9)

Country Link
US (1) US4124821A (it)
JP (1) JPS6030451B2 (it)
CH (1) CH601803A5 (it)
DE (1) DE2642397C3 (it)
FR (1) FR2363237A1 (it)
GB (1) GB1552074A (it)
IT (1) IT1084187B (it)
NL (1) NL190086C (it)
YU (1) YU41075B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229272A (en) * 1979-03-30 1980-10-21 Dow Yates Chlorine generator and method
US4316155A (en) * 1979-09-05 1982-02-16 The Bendix Corporation Voltage controlled oscillator having ratiometric and temperature compensation
US4303985A (en) * 1979-12-06 1981-12-01 Litton Systems, Inc. Analog voltage to pulse rate or analog to frequency converter
DE2952156A1 (de) * 1979-12-22 1981-07-16 Robert Bosch Gmbh, 7000 Stuttgart Spannungs-frequenz-wandler, insbesondere fuer die verwendung in elektrischen steuersystemen von kraftfahrzeugen
US4527133A (en) * 1982-06-30 1985-07-02 Telectronics Pty. Ltd. Self-balancing current sources for a delta modulator
CH659140A5 (de) * 1982-11-30 1986-12-31 Landis & Gyr Ag Mark-space-amplituden-modulator zur ermittlung eines verbrauchs von blindleistung oder von blindenergie.
JPH0512527Y2 (it) * 1985-06-11 1993-03-31
US4663587A (en) * 1985-10-02 1987-05-05 Westinghouse Electric Corp. Electronic circuit for measuring electrical energy
DE3537711A1 (de) * 1985-10-23 1987-04-23 Siemens Ag Analog-frequenz-wandler
CH670004A5 (it) * 1986-02-10 1989-04-28 Landis & Gyr Ag
ATE51118T1 (de) * 1986-02-10 1990-03-15 Landis & Gyr Ag Verfahren und einrichtung zur umwandlung eines elektrischen signals in eine proportionale frequenz.
CH673160A5 (it) * 1986-02-10 1990-02-15 Landis & Gyr Ag
US4808918A (en) * 1986-04-09 1989-02-28 Iskra-Sozd Elektrokovinske Industrije N.Sol.O. Watthour meter comprising a Hall sensor and a voltage-frequency converter for very low voltages
DE3619053A1 (de) * 1986-06-06 1987-12-10 Bosch Siemens Hausgeraete Stromkostenzaehler
GB8624926D0 (en) * 1986-10-17 1986-11-19 Gen Electric Co Plc Electric power measuring devices
DE3874458D1 (de) * 1987-08-06 1992-10-15 Landis & Gyr Betriebs Ag Anordnung zur umwandlung eines elektrischen mehrphasensignals in eine frequenz.
US5196741A (en) * 1989-01-25 1993-03-23 Hewlett-Packard Company Recycling ramp interpolator
US5132558A (en) * 1989-01-25 1992-07-21 Hewlett-Packard Co. Recycling ramp interpolator
US4992673A (en) * 1989-02-24 1991-02-12 John Fluke Mfg. Co., Inc. Fast settling voltage to frequency converter for high speed analog to digital conversion
US5438291A (en) * 1993-12-16 1995-08-01 Texas Instruments Incorporated Controlled delay digital clock signal generator
JP3532237B2 (ja) * 1994-03-04 2004-05-31 株式会社東芝 電圧／周波数変換装置
DE102013108510B4 (de) * 2013-08-07 2019-04-04 GSI Helmholtzzentrum für Schwerionenfoschung GmbH Ladungsfluss-Frequenz-Wandler mit unterschiedlicher Ladungsfluss-Richtung
DE102013108511A1 (de) * 2013-08-07 2015-02-26 Gsi Helmholtzzentrum Für Schwerionenforschung Gmbh Ladungsfluss-Frequenz-Wandler mit Fehler-Indikator
CN108900194A (zh) * 2018-09-26 2018-11-27 北方电子研究院安徽有限公司 一种可编程多门限比较的电流频率转换电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL293629A (it) * 1962-06-05 1900-01-01
US3541320A (en) * 1968-08-07 1970-11-17 Gen Electric Drift compensation for integrating amplifiers
US3582962A (en) * 1968-10-31 1971-06-01 Ibm Hand entry position sensing system
DE1946245C3 (de) * 1969-09-12 1975-03-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Verhinderung des Leerlaufs bei Elektrizitätszählern mit elektronischen IntegriermeBwerken
US3639843A (en) * 1970-07-20 1972-02-01 Hewlett Packard Co Voltage to pulse ratio converter
YU35399B (en) * 1973-10-08 1980-12-31 Iskra Kranj Circuit for an electronic counter of electric energy
YU35812B (en) * 1975-03-26 1981-06-30 Iskra Zp Z O Sub O Voltage/frequency converter circuit
US3989961A (en) * 1975-06-16 1976-11-02 The Boeing Company Bidirectional reset integrator converter

Also Published As

Publication number Publication date
YU41075B (en) 1986-12-31
GB1552074A (en) 1979-09-05
FR2363237B1 (it) 1983-11-04
NL190086C (nl) 1993-10-18
US4124821A (en) 1978-11-07
JPS6030451B2 (ja) 1985-07-16
DE2642397B2 (de) 1978-10-05
JPS5327352A (en) 1978-03-14
YU197977A (en) 1982-02-28
DE2642397A1 (de) 1978-03-02
CH601803A5 (it) 1978-07-14
DE2642397C3 (de) 1987-07-30
NL7709420A (nl) 1978-02-28
FR2363237A1 (fr) 1978-03-24
NL190086B (nl) 1993-05-17

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