DE69320630T2 - Offset-Verminderung in einer Nulldetektorschaltung - Google Patents
Offset-Verminderung in einer NulldetektorschaltungInfo
- Publication number
- DE69320630T2 DE69320630T2 DE69320630T DE69320630T DE69320630T2 DE 69320630 T2 DE69320630 T2 DE 69320630T2 DE 69320630 T DE69320630 T DE 69320630T DE 69320630 T DE69320630 T DE 69320630T DE 69320630 T2 DE69320630 T2 DE 69320630T2
- Authority
- DE
- Germany
- Prior art keywords
- detector circuit
- zero detector
- offset reduction
- offset
- reduction
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
- H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
- H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
- H03K5/1536—Zero-crossing detectors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/81—Inputs or outputs are crossed during a first switching time, not crossed during a second switching time
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Manipulation Of Pulses (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93830379A EP0643484B1 (de) | 1993-09-14 | 1993-09-14 | Offset-Verminderung in einer Nulldetektorschaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320630D1 DE69320630D1 (de) | 1998-10-01 |
DE69320630T2 true DE69320630T2 (de) | 1999-01-14 |
Family
ID=8215218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69320630T Expired - Fee Related DE69320630T2 (de) | 1993-09-14 | 1993-09-14 | Offset-Verminderung in einer Nulldetektorschaltung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5623220A (de) |
EP (1) | EP0643484B1 (de) |
JP (1) | JPH07115355A (de) |
DE (1) | DE69320630T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6177901B1 (en) | 1999-02-03 | 2001-01-23 | Li Pan | High accuracy, high speed, low power analog-to-digital conversion method and circuit |
US7130340B1 (en) * | 2000-10-27 | 2006-10-31 | Sun Microsystems, Inc. | Noise margin self-diagnostic receiver logic |
US7391204B2 (en) * | 2004-04-07 | 2008-06-24 | Honrywell International Inc. | Sensor signal conditioning circuit |
CN101044679B (zh) * | 2004-10-20 | 2012-04-18 | 半导体元件工业有限责任公司 | 高精度零交叉检测器及其方法 |
US7525365B1 (en) * | 2005-05-09 | 2009-04-28 | National Semiconductor Corporation | System and method for providing an offset voltage minimization circuit |
JP4747902B2 (ja) * | 2006-03-28 | 2011-08-17 | 横河電機株式会社 | 比較回路 |
US7894561B1 (en) | 2007-06-21 | 2011-02-22 | National Semiconductor Corporation | Method and system for providing dynamic DC offset correction |
US7609093B2 (en) * | 2007-08-03 | 2009-10-27 | Tower Semiconductor Ltd. | Comparator with low supply current spike and input offset cancellation |
US7567197B2 (en) * | 2007-09-17 | 2009-07-28 | Samsung Electronics Co., Ltd. | Cascade comparator and control method thereof |
DE102008012381B4 (de) * | 2008-03-04 | 2014-12-04 | Texas Instruments Deutschland Gmbh | Komparator |
JP5222647B2 (ja) * | 2008-07-23 | 2013-06-26 | 京セラドキュメントソリューションズ株式会社 | 位相制御装置及び定着装置並びに画像形成装置 |
US8627723B2 (en) * | 2011-08-10 | 2014-01-14 | Wildlife Acoustics, Inc. | Digital sampling and zero crossing of acoustic signals of animals |
US8493098B1 (en) * | 2012-03-14 | 2013-07-23 | Honeywell International Inc. | Systems and methods for compensating the input offset voltage of a comparator |
US8995230B2 (en) | 2012-07-26 | 2015-03-31 | Wildlife Acoustics, Inc. | Method of extracting zero crossing data from full spectrum signals |
DE102018102375B4 (de) * | 2018-02-02 | 2022-02-24 | Infineon Technologies Ag | Analog-Binär-Umsetzer und Verfahren zum Umsetzen eines Analogsignals in ein Binärsignal |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3593166A (en) * | 1969-12-17 | 1971-07-13 | Bell Telephone Labor Inc | Zero crossing detector |
US3727079A (en) * | 1971-12-06 | 1973-04-10 | Ampex | Zero crossing detecting circuit |
US3768024A (en) * | 1972-09-25 | 1973-10-23 | Gen Motors Corp | Zero crossover detector circuit |
US3755747A (en) * | 1972-09-25 | 1973-08-28 | Gen Motors Corp | Circuit for producing an output signal pulse of a width equal to the period between separated input signal pulse pairs |
US3955102A (en) * | 1973-11-21 | 1976-05-04 | Digital Equipment Corporation | Zero crossing detecting circuit |
US4080574A (en) * | 1974-01-31 | 1978-03-21 | United Kingdom Atomic Energy Authority | Apparatus for providing time reference signals |
DE2537264C3 (de) * | 1975-08-21 | 1978-10-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Erkennen der Null-Durchgänge von Signalen |
FR2330206A1 (fr) * | 1975-10-27 | 1977-05-27 | Trt Telecom Radio Electr | Detecteur de transitions d'un signal |
US4138649A (en) * | 1977-03-25 | 1979-02-06 | Emerson Electric Co. | Amplifier system |
US4135161A (en) * | 1977-05-31 | 1979-01-16 | Torrieri Don J | Method and means for pulse detection |
US4137504A (en) * | 1977-08-12 | 1979-01-30 | Digital Equipment Corporation | Digital filter |
US4272690A (en) * | 1979-08-16 | 1981-06-09 | The United States Of America As Represented By The Secretary Of The Army | Clock controlled pulse width modulator |
ZA805412B (en) * | 1979-09-14 | 1981-08-26 | Plessey Overseas | Zero-crossing comparators with threshold validation |
US4297642A (en) * | 1979-10-31 | 1981-10-27 | Bell Telephone Laboratories, Incorporated | Offset correction in operational amplifiers |
DE3007502A1 (de) * | 1980-02-28 | 1981-09-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung zur aufbereitung eines digital-signales |
US4345169A (en) * | 1980-10-27 | 1982-08-17 | Siemens Corporation | Zero crossing detector |
JPS57113617A (en) * | 1980-12-30 | 1982-07-15 | Fujitsu Ltd | Clock pulse width setting circuit |
JPS57115022A (en) * | 1981-01-08 | 1982-07-17 | Fuji Xerox Co Ltd | Detecting circuit for zero cross point |
US4450368A (en) * | 1981-12-21 | 1984-05-22 | Rockwell International Corporation | AC Coupled chopper stabilized differential comparator |
US4636656A (en) * | 1984-05-21 | 1987-01-13 | Motorola, Inc. | Circuit for selectively extending a cycle of a clock signal |
US4697098A (en) * | 1985-06-10 | 1987-09-29 | Priam Corporation | Composite gate generator circuit for detecting valid data signals |
JP2685050B2 (ja) * | 1986-06-11 | 1997-12-03 | 富士通株式会社 | コンパレータ回路 |
JPS63226115A (ja) * | 1987-03-16 | 1988-09-20 | Fujitsu Ltd | ゼロクロスカウンタ |
US4764752A (en) * | 1987-06-15 | 1988-08-16 | Ormond Alfred N | Analog to digital converter having no zero or span drift |
US4749879A (en) * | 1987-06-18 | 1988-06-07 | Spectra-Physics, Inc. | Signal transition detection method and system |
USRE34428E (en) * | 1988-12-02 | 1993-11-02 | John Fluke Mfg. Co., Inc. | Analog-to-digital converter with offset voltage polarity inversion |
JP3320414B2 (ja) * | 1991-07-01 | 2002-09-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | スイッチキャパシタ零交差点検出器を有するトーン受信機 |
US5182476A (en) * | 1991-07-29 | 1993-01-26 | Motorola, Inc. | Offset cancellation circuit and method of reducing pulse pairing |
US5278462A (en) * | 1992-04-24 | 1994-01-11 | Fasco Controls Corporation | Threshold crossover detector with improved digital noise rejection |
-
1993
- 1993-09-14 EP EP93830379A patent/EP0643484B1/de not_active Expired - Lifetime
- 1993-09-14 DE DE69320630T patent/DE69320630T2/de not_active Expired - Fee Related
-
1994
- 1994-09-13 US US08/305,460 patent/US5623220A/en not_active Expired - Lifetime
- 1994-09-14 JP JP6247068A patent/JPH07115355A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH07115355A (ja) | 1995-05-02 |
US5623220A (en) | 1997-04-22 |
EP0643484A1 (de) | 1995-03-15 |
DE69320630D1 (de) | 1998-10-01 |
EP0643484B1 (de) | 1998-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |