DE19650184A1 - Getakteter Hall-Sensor - Google Patents
Getakteter Hall-SensorInfo
- Publication number
- DE19650184A1 DE19650184A1 DE19650184A DE19650184A DE19650184A1 DE 19650184 A1 DE19650184 A1 DE 19650184A1 DE 19650184 A DE19650184 A DE 19650184A DE 19650184 A DE19650184 A DE 19650184A DE 19650184 A1 DE19650184 A1 DE 19650184A1
- Authority
- DE
- Germany
- Prior art keywords
- hall
- sample
- output
- hold circuit
- clock signal
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 claims description 11
- 230000005284 excitation Effects 0.000 description 9
- 230000001629 suppression Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 102100036952 Cytoplasmic protein NCK2 Human genes 0.000 description 1
- 108700037657 Cytoplasmic protein NCK2 Proteins 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
Description
-Va = -(G/2) (-VH + Vosa) = (G/2) (VH - Vosa)
= (G/2) (VH + Vosa) + (G/2) (VH - Vosa) = GVH.
Claims (3)
- a) Einen Begleittakt-Signalgenerator, der an den einen Taktsignal-Ge nerator angeschlossen ist und einen zweiten Taktausgang besitzt, um an dem zweiten Taktausgang ein binäres Taktsignal ck2 mit einer binären Phase ϕ2 zu erzeugen, das während eines Mittelteiles einer jeden Phase ϕ1 des Taktsignales ck1 auftritt und der einen dritten Taktausgang besitzt, um an dem dritten Taktausgang ein binäres Taktsignal ck3 mit einer binären Phase ϕ3 zu erzeugen, das während eines Mittelteiles einer jeden Phase nϕ1 des Taktsignales ck1 auftritt;
- b) einen linearen, analogen Doppeldifferential-Hall-Span nungsverstärker (30), der mit einem Differentialeingang an das Paar von Hallelement-Schalter-Schaltkreis-Ausgangsleitungen angeschlossen ist;
- c) einen getakteten Abtast- und Halteschaltkreis (34, 36), der erste und zweite Abtast- und Halte-Schaltkreiselemente umfaßt, wobei jedes der ersten und zweiten Abtast- und Halte-Schaltkreis elemente einen Eingang besitzt, der entsprechend an den einen oder anderen der Differentialausgänge des Hall-Span nungsverstärkers (30) angeschlossen ist, wobei die ersten und zweiten Abtast- und Halte-Schaltkreiselemente eine Abtast-Frei gabe-Schalteinrichtung aufweisen, die entsprechend an die ersten und zweiten Taktausgänge angeschlossen sind, um entsprechend die Eingangssignale der Abtast- und Halte-Schalt kreiselemente nur während der Phasen ϕ2 und ϕ3 abzutasten, und die Abtastsignale an den entsprechenden Ausgängen der ersten und zweiten Abtast- und Halte-Schaltkreis elemente während der Phasen nϕ2 und nϕ3 entsprechend zu halten; und
- d) einen Summierschaltkreis (38), der mit einem ersten Eingang an den Ausgang des ersten Abtast- und Halte-Schaltkreiselementes angeschlossen ist und der mit einem zweiten Eingang an den Ausgang des zweiten Abtast- und Halte-Schaltkreiselementes abgeschlossen ist, wobei der Ausgang des Summierschaltkreises als Ausgang des Hall-Sensors dient.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/569,814 US5621319A (en) | 1995-12-08 | 1995-12-08 | Chopped hall sensor with synchronously chopped sample-and-hold circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19650184A1 true DE19650184A1 (de) | 1997-06-12 |
DE19650184C2 DE19650184C2 (de) | 2001-10-04 |
Family
ID=24276980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19650184A Expired - Lifetime DE19650184C2 (de) | 1995-12-08 | 1996-12-04 | Getakteter Hall-Sensor |
Country Status (5)
Country | Link |
---|---|
US (1) | US5621319A (de) |
JP (1) | JP3022957B2 (de) |
DE (1) | DE19650184C2 (de) |
FR (1) | FR2742225B1 (de) |
GB (1) | GB2308029B (de) |
Cited By (3)
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DE102004010362A1 (de) * | 2004-03-03 | 2005-09-22 | Austriamicrosystems Ag | Sensor, insbesondere Magnetfeldsensor, mit Störsignal-Kompensation und Verfahren zur Störsignal-Kompensation eines Sensors |
DE10228805B4 (de) * | 2002-06-27 | 2008-11-13 | Infineon Technologies Ag | Hallsensorelement |
US10466311B2 (en) | 2014-09-04 | 2019-11-05 | The Timken Company | Hall effect sensor circuit with offset compensation |
Families Citing this family (162)
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US4037150A (en) * | 1973-05-30 | 1977-07-19 | Sergei Glebovich Taranov | Method of and apparatus for eliminating the effect of non-equipotentiality voltage on the hall voltage |
JPH02141673A (ja) * | 1988-11-22 | 1990-05-31 | Meidensha Corp | ホールctオフセット自動補正電流検出回路 |
US5241270A (en) * | 1990-04-02 | 1993-08-31 | Kim Kwee Ng | Electronic compass using hall-effect sensors |
EP0548391B1 (de) * | 1991-12-21 | 1997-07-23 | Deutsche ITT Industries GmbH | Offsetkompensierter Hallsensor |
GB9201896D0 (en) * | 1992-01-29 | 1992-03-18 | Instr Transformers Ltd | Electric current measurement |
JPH062115U (ja) * | 1992-06-19 | 1994-01-14 | ヤマハ株式会社 | 磁気式検出装置 |
DE4431703C2 (de) * | 1994-09-06 | 1997-01-30 | Itt Ind Gmbh Deutsche | Magnetfeldsensor mit Hallelement |
US5517112A (en) * | 1994-11-07 | 1996-05-14 | Allegro Microsystems, Inc. | Magnetic field detector with noise blanking |
-
1995
- 1995-12-08 US US08/569,814 patent/US5621319A/en not_active Expired - Lifetime
-
1996
- 1996-11-27 GB GB9624699A patent/GB2308029B/en not_active Expired - Fee Related
- 1996-12-04 DE DE19650184A patent/DE19650184C2/de not_active Expired - Lifetime
- 1996-12-06 FR FR9615018A patent/FR2742225B1/fr not_active Expired - Lifetime
- 1996-12-09 JP JP8328373A patent/JP3022957B2/ja not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10228805B4 (de) * | 2002-06-27 | 2008-11-13 | Infineon Technologies Ag | Hallsensorelement |
DE102004010362A1 (de) * | 2004-03-03 | 2005-09-22 | Austriamicrosystems Ag | Sensor, insbesondere Magnetfeldsensor, mit Störsignal-Kompensation und Verfahren zur Störsignal-Kompensation eines Sensors |
US7701207B2 (en) | 2004-03-03 | 2010-04-20 | Austriamicrosystems Ag | Sensor, in particular a magnetic field sensor, with interference compensation and method for interference compensation of a sensor |
DE102004010362B4 (de) * | 2004-03-03 | 2010-11-25 | Austriamicrosystems Ag | Sensor, insbesondere Magnetfeldsensor, mit Störsignal-Kompensation und Verfahren zur Störsignal-Kompensation eines Sensors |
US10466311B2 (en) | 2014-09-04 | 2019-11-05 | The Timken Company | Hall effect sensor circuit with offset compensation |
Also Published As
Publication number | Publication date |
---|---|
GB9624699D0 (en) | 1997-01-15 |
JPH09196699A (ja) | 1997-07-31 |
GB2308029B (en) | 2000-01-19 |
DE19650184C2 (de) | 2001-10-04 |
GB2308029A (en) | 1997-06-11 |
JP3022957B2 (ja) | 2000-03-21 |
US5621319A (en) | 1997-04-15 |
FR2742225A1 (fr) | 1997-06-13 |
FR2742225B1 (fr) | 1999-08-27 |
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