ES8505102A1 - Perfeccionamientos en un circuito de evaluacion para captadores pasivos de magnitudes de medida - Google Patents

Perfeccionamientos en un circuito de evaluacion para captadores pasivos de magnitudes de medida

Info

Publication number
ES8505102A1
ES8505102A1 ES535406A ES535406A ES8505102A1 ES 8505102 A1 ES8505102 A1 ES 8505102A1 ES 535406 A ES535406 A ES 535406A ES 535406 A ES535406 A ES 535406A ES 8505102 A1 ES8505102 A1 ES 8505102A1
Authority
ES
Spain
Prior art keywords
preamplifier
coupled
bridge circuit
balancing
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
ES535406A
Other languages
English (en)
Other versions
ES535406A0 (es
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of ES8505102A1 publication Critical patent/ES8505102A1/es
Publication of ES535406A0 publication Critical patent/ES535406A0/es
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/16—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Burglar Alarm Systems (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)

Abstract

PERFECCIONAMIENTOS EN UN CIRCUITO DE EVALUACION PARA CAPTADORES PASIVOS DE MAGNITUDES DE MEDIDA.CONSISTENTES EN PREVER POR DELANTE DEL RECTIFICADOR (D), SENSIBLE A LAS FASES, UN PRE-AMPLIFICADOR (VV), QUE TRANSMITE COMPONENTES CONTINUAS; Y PRESENTA EN TODA LA BANDA PASANTE UNA RESPUESTA A LA FRECUENCIA LINEAL EN LA FASE Y UNA CURVA CARACTERISTICA DE MODULACION MUY LINEAL Y, POR DETRAS DEL RECTIFICADOR (D), UN AMPLIFICADOR DEL CERO (NV); ACOPLAR LA RESISTENCIA CONMUTABLE (RK) CON EL CONMUTADOR DE POLOS (SW) A TRAVES DE ELEMENTOS PERMEABLES A LAS COMPONENTES CONTINUAS; Y ACOPLAR GALVANICAMENTE CON EL CONMUTADOR DE POLOS (SW) EL CIRCUITO EN PUENTE DE LOS CAPTADORES DE LAS MAGNITUDES DE MEDIDA (G).
ES535406A 1983-08-26 1984-08-24 Perfeccionamientos en un circuito de evaluacion para captadores pasivos de magnitudes de medida Granted ES535406A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3330841A DE3330841A1 (de) 1983-08-26 1983-08-26 Auswerteschaltungen fuer passive messgroessenaufnehmer

Publications (2)

Publication Number Publication Date
ES8505102A1 true ES8505102A1 (es) 1985-05-01
ES535406A0 ES535406A0 (es) 1985-05-01

Family

ID=6207523

Family Applications (1)

Application Number Title Priority Date Filing Date
ES535406A Granted ES535406A0 (es) 1983-08-26 1984-08-24 Perfeccionamientos en un circuito de evaluacion para captadores pasivos de magnitudes de medida

Country Status (6)

Country Link
US (1) US4618818A (es)
EP (1) EP0141080B1 (es)
JP (1) JPS60220875A (es)
AT (1) ATE26490T1 (es)
DE (2) DE3330841A1 (es)
ES (1) ES535406A0 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558595A (en) * 1985-03-29 1985-12-17 Honeywell Inc. Capacitance monitoring bridge circuit for an enthalpy responsive device
DE3620399A1 (de) * 1986-06-18 1987-12-23 Philips Patentverwaltung Schaltungsanordnung zur kompensation von temperatur- und nichttemperaturbedingtem driften eines kapazitiven sensors
US4786875A (en) * 1986-07-22 1988-11-22 General Signal Corporation Conductivity measuring circuit
DE3633790A1 (de) * 1986-10-03 1988-04-14 Endress Hauser Gmbh Co Anordnung zur aufbereitung der ausgangssignale einer widerstandsbruecke
DE3710904A1 (de) * 1987-04-01 1988-10-13 Siemens Ag Verfahren und anordnung zur auswertung einer analogen elektrischen messgroesse
EP0366831B1 (en) * 1988-11-04 1993-03-10 Horiba, Ltd. Temperature compensating circuit
FR2670901B1 (fr) * 1990-11-26 1993-05-07 Precia Sa Dispositif d'amplification du signal de desequilibre d'un pont de wheatstone, destine a etre incorpore notamment a une balance de haute precision.
DE4417228A1 (de) † 1994-05-17 1995-11-23 Michael Dr Altwein Dehnungsmeßstreifen-Meßanordnung, Verwendung derselben und Modulationsverstärker für derartige Meßanordnungen
CA2150502A1 (en) * 1994-08-05 1996-02-06 Michael F. Mattes Method and apparatus for measuring temperature
DE19509815C1 (de) * 1995-03-22 1996-10-31 Joachim Dr Scheerer Schaltung zur Speisung einer Wheatstoneschen Brücke mit einer Rechteckwechselspannung
US5764067A (en) * 1995-05-10 1998-06-09 Rastegar; Ali J. Method and apparatus for sensor signal conditioning using low-cost, high-accuracy analog circuitry
US6268818B1 (en) * 1998-06-24 2001-07-31 Conexant Systems, Inc. Method and apparatus for improving modulation accuracy
US6198296B1 (en) 1999-01-14 2001-03-06 Burr-Brown Corporation Bridge sensor linearization circuit and method
SE513954C2 (sv) * 1999-04-01 2000-12-04 Abb Ab Förfarande och system för bearbetning av signaler från en givare driven med en växelströmsexcitationssignal
JP3588276B2 (ja) 1999-07-26 2004-11-10 株式会社山武 センサ信号処理回路
DE10216344A1 (de) * 2002-04-13 2003-10-23 Hottinger Messtechnik Baldwin Meßverstärkervorrichtung
JP2005300495A (ja) * 2004-04-16 2005-10-27 Agilent Technol Inc 半導体特性測定装置および接続装置
WO2011116211A2 (en) * 2010-03-17 2011-09-22 University Of South Alabama Salinity sensor for embedded environmental monitoring
DE102011104307B4 (de) * 2011-06-16 2013-09-26 Austriamicrosystems Ag Anordnung und Verfahren zum Betreiben eines Sensors, insbesondere eines Brückensensors, und eine Sensoranordnung
JP6510199B2 (ja) * 2014-08-19 2019-05-08 ローム株式会社 スイッチング回路、オーディオアンプ集積回路、電子機器、電気音響変換素子の駆動方法
US20220149856A1 (en) * 2020-11-11 2022-05-12 Microsoft Technology Licensing, Llc Bridge sensor dc error cancellation scheme
US11588493B2 (en) * 2021-05-28 2023-02-21 Taiwan Semiconductor Manufacturing Company Ltd. Circuitry and method for reducing environmental noise

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588690A (en) * 1969-07-16 1971-06-28 Hugh Allen Griffin Test circuit including bridge type oscillator means for monitoring equivalent series resistance of quartz crystals
JPS5650232B2 (es) * 1972-11-15 1981-11-27
DE2260441C3 (de) * 1972-12-11 1978-06-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Analog-Digital-Wandler
DE2262755C3 (de) * 1972-12-21 1975-08-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Digitale Kompensationseinrichtung
US3944819A (en) * 1975-02-26 1976-03-16 Amf Incorporated Produce grader
DE2841830C2 (de) * 1978-09-26 1980-09-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Messung der Meßdiagonalspannung einer Widerstandsbrückenschaltung
JPS55112014A (en) * 1979-02-21 1980-08-29 Masaoki Ishikawa Chopper amplifier

Also Published As

Publication number Publication date
DE3463089D1 (en) 1987-05-14
US4618818A (en) 1986-10-21
JPS60220875A (ja) 1985-11-05
ES535406A0 (es) 1985-05-01
EP0141080A1 (de) 1985-05-15
EP0141080B1 (de) 1987-04-08
ATE26490T1 (de) 1987-04-15
DE3330841A1 (de) 1985-03-14

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