FR2573213B1 - Circuit tampon a structure differentielle pour la mesure de charges capacitives - Google Patents

Circuit tampon a structure differentielle pour la mesure de charges capacitives

Info

Publication number
FR2573213B1
FR2573213B1 FR8516615A FR8516615A FR2573213B1 FR 2573213 B1 FR2573213 B1 FR 2573213B1 FR 8516615 A FR8516615 A FR 8516615A FR 8516615 A FR8516615 A FR 8516615A FR 2573213 B1 FR2573213 B1 FR 2573213B1
Authority
FR
France
Prior art keywords
buffer circuit
capacitive loads
differential structure
measuring capacitive
measuring
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
FR8516615A
Other languages
English (en)
Other versions
FR2573213A1 (fr
Inventor
Germano Nicollini
Daniel Senderowicz
Pierangelo Confalonieri
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.)
STMicroelectronics SRL
Original Assignee
SGS Microelettronica SpA
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 SGS Microelettronica SpA filed Critical SGS Microelettronica SpA
Publication of FR2573213A1 publication Critical patent/FR2573213A1/fr
Application granted granted Critical
Publication of FR2573213B1 publication Critical patent/FR2573213B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/24—Arrangements for measuring quantities of charge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR8516615A 1984-11-12 1985-11-08 Circuit tampon a structure differentielle pour la mesure de charges capacitives Expired FR2573213B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8423531A IT1213243B (it) 1984-11-12 1984-11-12 Circuito buffer a struttura differenziale per la misurazione di cariche capacitive.

Publications (2)

Publication Number Publication Date
FR2573213A1 FR2573213A1 (fr) 1986-05-16
FR2573213B1 true FR2573213B1 (fr) 1987-03-20

Family

ID=11207896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8516615A Expired FR2573213B1 (fr) 1984-11-12 1985-11-08 Circuit tampon a structure differentielle pour la mesure de charges capacitives

Country Status (6)

Country Link
US (1) US4609877A (fr)
JP (1) JPH07114335B2 (fr)
DE (1) DE3539214C2 (fr)
FR (1) FR2573213B1 (fr)
GB (1) GB2167195B (fr)
IT (1) IT1213243B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1203893B (it) * 1987-04-14 1989-02-23 Sgs Microelettronica Spa Circuito di amplificazione ad elevata precisione con piccolo ingombro e basso consumo di potenza per circuiti integrati.
JPH0738545B2 (ja) * 1988-05-12 1995-04-26 株式会社村田製作所 電荷発生型検知素子の信号処理回路
IT1227615B (it) * 1988-12-22 1991-04-22 Sgs Thomson Microelectronics Filtro completamente differenziale a condensatori commutati utilizzante amplificatori operazionali cmos senza retroazione di modo comune
US5168461A (en) * 1989-08-21 1992-12-01 Industrial Technology Research Institute Switched capacitor differentiators and switched capacitor differentiator-based filters
US5088011A (en) * 1990-12-24 1992-02-11 Gte Products Corporation Headlamp capsule base with formed seal lug
US5914638A (en) * 1997-06-06 1999-06-22 Omnivision Technologies, Inc. Method and apparatus for adjusting the common-mode output voltage of a sample-and-hold amplifier
DE10031522B9 (de) * 2000-06-28 2007-07-12 Infineon Technologies Ag Frequenzkompensierte Verstärkeranordnung und Verfahren zum Betrieb einer frequenzkompensierten Verstärkeranordnung
JP3621385B2 (ja) * 2002-02-20 2005-02-16 シャープ株式会社 スイッチトキャパシタ増幅器、および、それを用いた電荷結合素子用アナログインターフェース回路
DE10300011B4 (de) 2003-01-02 2004-09-16 Infineon Technologies Ag Subtrahiererschaltung und Leistungsdetektoranordnung mit der Subtrahiererschaltung
US7323886B2 (en) * 2004-08-16 2008-01-29 Ying Lau Lee Linear capacitance measurement and touchless switch
US7498822B2 (en) 2004-08-16 2009-03-03 Ying Lau Lee Linear capacitance measurement and touchless switch
DE102008059734A1 (de) 2008-12-01 2010-06-02 Micronas Gmbh Verstärker und Verstärkerschaltung mit geschalteter Kapazität
US9385677B2 (en) * 2014-08-29 2016-07-05 Realtek Semiconductor Corp. Method and apparatus for gain enhancement of differential amplifier

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190805A (en) * 1977-12-19 1980-02-26 Intersil, Inc. Commutating autozero amplifier
FR2434397A1 (fr) * 1978-07-07 1980-03-21 Commissariat Energie Atomique Procede et dispositif de mesures successives de charges emmagasinees dans une pluralite de cellules de memorisation

Also Published As

Publication number Publication date
IT8423531A0 (it) 1984-11-12
DE3539214C2 (de) 1997-04-10
FR2573213A1 (fr) 1986-05-16
IT1213243B (it) 1989-12-14
DE3539214A1 (de) 1986-05-15
JPH07114335B2 (ja) 1995-12-06
GB2167195B (en) 1988-07-20
GB8526958D0 (en) 1985-12-04
GB2167195A (en) 1986-05-21
JPS61121608A (ja) 1986-06-09
US4609877A (en) 1986-09-02

Similar Documents

Publication Publication Date Title
FR2530011B1 (fr) Dispositif de mesure capacitif de deplacements
FR2564593B1 (fr) Capteur capacitif et plaque de condensateur pour ce capteur
GB8519698D0 (en) Capacitive measuring system
MX157557A (es) Dispositivo de indicacion electronico
DE3886244D1 (de) Kapazitätsmessschaltung.
FR2550335B1 (fr) Capteur capacitif
FR2483603B1 (fr) Dispositif pour la mesure capacitive de deplacements
FR2573213B1 (fr) Circuit tampon a structure differentielle pour la mesure de charges capacitives
DE3466805D1 (en) Capacitive force measuring device
FI840700A0 (fi) Kapacitiv tryckgivare
DE69029205D1 (de) Messbrücke mit Ausgangskompensationsschaltkreis
DE3368767D1 (en) Measuring and linearizing circuit for a capacitive sensor
GB8609770D0 (en) Capacitance measuring
GB2157425B (en) Fibre interferometric sensors
KR860005216A (ko) 광계측장치
GB2195778B (en) Circuit arrangement for capacitance or admittance measurement
FR2569267B1 (fr) Douille pour machine de mesure de coordonnees
TR22474A (tr) Tam kalibreli manevra mermisi
DK121286A (da) Absorberende ler
FR2608751B1 (fr) Chaine de mesure dimensionnelle capacitive
ATA213884A (de) Laengenmesseinrichtung
DK150081A (da) Signalgenererende anordninger
DE3460831D1 (en) Capacitance measuring circuit
BR8702425A (pt) Sensor opto-eletronico de transferencia de cargas
ES544810A0 (es) Perfeccionamientos en los dispositivos auxiliares para eva- cuacion de mercancias a granel de poca fluidez

Legal Events

Date Code Title Description
D6 Patent endorsed licences of rights
ST Notification of lapse