GB1511569A - Circuit for frequency to voltage conversion - Google Patents

Circuit for frequency to voltage conversion

Info

Publication number
GB1511569A
GB1511569A GB4927975A GB4927975A GB1511569A GB 1511569 A GB1511569 A GB 1511569A GB 4927975 A GB4927975 A GB 4927975A GB 4927975 A GB4927975 A GB 4927975A GB 1511569 A GB1511569 A GB 1511569A
Authority
GB
United Kingdom
Prior art keywords
converter
amplifier
voltage
frequency
output
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
Application number
GB4927975A
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.)
MMG AUTOMATIKA MUEVEK
Original Assignee
MMG AUTOMATIKA MUEVEK
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 MMG AUTOMATIKA MUEVEK filed Critical MMG AUTOMATIKA MUEVEK
Priority to GB4927975A priority Critical patent/GB1511569A/en
Publication of GB1511569A publication Critical patent/GB1511569A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage

Abstract

1511569 Measuring density MMG AUTOMATIKA MUVEK 1 Dec 1975 49279/75 Heading G1G [Also in Division H3] A circuit arrangement suitable for producing a linear relationship between a measured parameter e.g. density measured by a fluid and gas density probe of the oscillating type, and an output voltage by controlling the input output characteristics of a frequency to voltage converter to compensate the non-linearity introduced by the measuring device, wherein the f#v converter comprises a conventional linear converter e.g. a diode pump of the cup and bucket type, feeding a D.C. amplifier with the amplifier output and a constant voltage sourve U T connected in series to provide a supply voltage for the converter variable in dependence upon the input frequency. The input output characteristic may be further adjusted by varying the gain of amplifier E e.g. by varying R5 and by causing resistors R 10 , R 11 to progressively shunt R 6 at higher output voltage levels.
GB4927975A 1975-12-01 1975-12-01 Circuit for frequency to voltage conversion Expired GB1511569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4927975A GB1511569A (en) 1975-12-01 1975-12-01 Circuit for frequency to voltage conversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4927975A GB1511569A (en) 1975-12-01 1975-12-01 Circuit for frequency to voltage conversion

Publications (1)

Publication Number Publication Date
GB1511569A true GB1511569A (en) 1978-05-24

Family

ID=10451792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4927975A Expired GB1511569A (en) 1975-12-01 1975-12-01 Circuit for frequency to voltage conversion

Country Status (1)

Country Link
GB (1) GB1511569A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2181243A (en) * 1985-09-27 1987-04-15 Mineral Tech Council Method and apparatus for measuring or monitoring density or rheological properties of liquids or slurries
WO2005112255A1 (en) * 2004-05-17 2005-11-24 Koninklijke Philips Electronics N.V. Frequency stabilization for free running class-d amplifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2181243A (en) * 1985-09-27 1987-04-15 Mineral Tech Council Method and apparatus for measuring or monitoring density or rheological properties of liquids or slurries
WO2005112255A1 (en) * 2004-05-17 2005-11-24 Koninklijke Philips Electronics N.V. Frequency stabilization for free running class-d amplifier

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee