CH409138A - Voltage-frequency converter - Google Patents

Voltage-frequency converter

Info

Publication number
CH409138A
CH409138A CH544063A CH544063A CH409138A CH 409138 A CH409138 A CH 409138A CH 544063 A CH544063 A CH 544063A CH 544063 A CH544063 A CH 544063A CH 409138 A CH409138 A CH 409138A
Authority
CH
Switzerland
Prior art keywords
voltage
frequency converter
converter
frequency
Prior art date
Application number
CH544063A
Other languages
German (de)
Inventor
Siess Gerhard
Original Assignee
Bodenseewerk Perkin Elmer 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
Priority claimed from DEB67562A external-priority patent/DE1193164B/en
Priority claimed from DEB67561A external-priority patent/DE1184415B/en
Application filed by Bodenseewerk Perkin Elmer Co filed Critical Bodenseewerk Perkin Elmer Co
Publication of CH409138A publication Critical patent/CH409138A/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/86Signal analysis
    • G01N30/8603Signal analysis with integration or differentiation
    • G01N30/8606Integration
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/86Signal analysis
    • G01N30/8624Detection of slopes or peaks; baseline correction
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252Arrangements 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/122Arrangements for performing computing operations, e.g. operational amplifiers for optimisation, e.g. least square fitting, linear programming, critical path analysis, gradient method
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
    • G06G7/186Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop
    • G06G7/1865Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop with initial condition setting
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/75Analogue computers for specific processes, systems or devices, e.g. simulators for component analysis, e.g. of mixtures, of colours
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10Calibration or testing
    • H03M1/1009Calibration

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Power Engineering (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
CH544063A 1962-06-05 1963-04-30 Voltage-frequency converter CH409138A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB67562A DE1193164B (en) 1962-06-05 1962-06-05 Device for triggering a switching pulse when passing through an extreme value of an electrical measurement voltage
DEB67561A DE1184415B (en) 1962-06-05 1962-06-05 Voltage-frequency converter

Publications (1)

Publication Number Publication Date
CH409138A true CH409138A (en) 1966-03-15

Family

ID=25966278

Family Applications (2)

Application Number Title Priority Date Filing Date
CH544063A CH409138A (en) 1962-06-05 1963-04-30 Voltage-frequency converter
CH562663A CH409135A (en) 1962-06-05 1963-05-02 Extreme value sensor for an electrical measurement voltage

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH562663A CH409135A (en) 1962-06-05 1963-05-02 Extreme value sensor for an electrical measurement voltage

Country Status (2)

Country Link
CH (2) CH409138A (en)
FR (1) FR1357599A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1081575A (en) * 1965-05-14 1967-08-31 English Electric Co Ltd Improvements in pulse generators

Also Published As

Publication number Publication date
CH409135A (en) 1966-03-15
FR1357599A (en) 1964-07-08

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