DE68925169D1 - Analog-Digitalwandler - Google Patents
Analog-DigitalwandlerInfo
- Publication number
- DE68925169D1 DE68925169D1 DE68925169T DE68925169T DE68925169D1 DE 68925169 D1 DE68925169 D1 DE 68925169D1 DE 68925169 T DE68925169 T DE 68925169T DE 68925169 T DE68925169 T DE 68925169T DE 68925169 D1 DE68925169 D1 DE 68925169D1
- Authority
- DE
- Germany
- Prior art keywords
- analog
- digital converter
- converter
- digital
- 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
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
- H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
- H03M1/368—Analogue value compared with reference values simultaneously only, i.e. parallel type having a single comparator per bit, e.g. of the folding type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
- H03M1/1019—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error by storing a corrected or correction value in a digital look-up table
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/247,469 US5034746A (en) | 1988-09-21 | 1988-09-21 | Analog-to-digital converter for computer disk file servo position error signal |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68925169D1 true DE68925169D1 (de) | 1996-02-01 |
DE68925169T2 DE68925169T2 (de) | 1996-07-04 |
Family
ID=22935061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68925169T Expired - Fee Related DE68925169T2 (de) | 1988-09-21 | 1989-09-14 | Analog-Digitalwandler |
Country Status (4)
Country | Link |
---|---|
US (1) | US5034746A (de) |
EP (1) | EP0360499B1 (de) |
JP (1) | JPH02123986A (de) |
DE (1) | DE68925169T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5793556A (en) * | 1994-10-19 | 1998-08-11 | International Business Machines Corporation | High speed PES demodulator |
US6075476A (en) * | 1998-11-12 | 2000-06-13 | Intel Corporation | Method and circuit for data dependent voltage bias level |
US6727839B2 (en) * | 2002-08-23 | 2004-04-27 | Broadcom Corporation | High speed, low power comparator |
JP2012122879A (ja) | 2010-12-09 | 2012-06-28 | Advantest Corp | 電源装置、その制御方法ならびにそれらを用いた試験装置 |
WO2017029137A1 (en) * | 2015-08-20 | 2017-02-23 | Philips Lighting Holding B.V. | Power providing device and method |
EP3759653A4 (de) * | 2018-03-02 | 2022-04-20 | AIstorm, Inc. | Mathematische maschine mit ladungsdomäne und verfahren |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3546548A (en) * | 1968-04-05 | 1970-12-08 | Gulton Ind Inc | Control apparatus for electric automotive vehicles |
US3516085A (en) * | 1969-05-15 | 1970-06-02 | Globe Union Inc | Analog to digital conversion system |
US3818502A (en) * | 1972-09-05 | 1974-06-18 | Ibm | Automatic head width correction |
US4042921A (en) * | 1973-12-11 | 1977-08-16 | L.M. Ericsson Pty Ltd. | Digital encoder/decoder |
US3982240A (en) * | 1974-09-19 | 1976-09-21 | United Technologies Corporation | Bipolar A/D converter using two comparators |
JPS558051B2 (de) * | 1974-11-06 | 1980-03-01 | ||
CA1079858A (en) * | 1975-05-19 | 1980-06-17 | Adrian K. Dorsman | Analog-to-digital converter |
DE2534109B2 (de) * | 1975-07-30 | 1979-03-15 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren und Schaltungsanordnung zur Umsetzung von Analog-Signalen in Dighal-Signale und von Digital-Signalen in Analog-Signale |
US4017849A (en) * | 1975-08-28 | 1977-04-12 | Bell Telephone Laboratories, Incorporated | Apparatus for analog to digital conversion |
US4083044A (en) * | 1976-03-10 | 1978-04-04 | Mdh Industries Inc. | Unipolar wide-range current-to-frequency converter |
US4059800A (en) * | 1976-06-30 | 1977-11-22 | International Business Machines Corporation | Digital multi-line companded delta modulator |
US4196419A (en) * | 1976-12-18 | 1980-04-01 | Ferranti Limited | Analog to digital converter |
FR2396463A1 (fr) * | 1977-06-30 | 1979-01-26 | Ibm France | Circuit pour compenser les decalages du zero dans les dispositifs analogiques et application de ce circuit a un convertisseur analogique-numerique |
US4251802A (en) * | 1977-12-28 | 1981-02-17 | Horna Otakar A | Analog to digital converter |
JPS5952576B2 (ja) * | 1979-07-13 | 1984-12-20 | 株式会社東芝 | A/d変換器の安定化回路 |
US4323886A (en) * | 1980-10-06 | 1982-04-06 | Ncr Corporation | Analog-to-digital converter circuit |
US4400747A (en) * | 1981-06-26 | 1983-08-23 | International Business Machines Corporation | Servo system for data storage apparatus |
US4485372A (en) * | 1981-10-09 | 1984-11-27 | Analog Devices, Incorporated | Two-stage a-to-d converter |
NL8203446A (nl) * | 1982-09-03 | 1984-04-02 | Philips Nv | Analoog-digitaalomzetschakeling. |
US4544917A (en) * | 1982-09-16 | 1985-10-01 | Westinghouse Electric Corp. | A/D converter having digitally controlled subranging and self-alignment apparatus for use therein |
US4551776A (en) * | 1982-12-20 | 1985-11-05 | International Business Machines Corporation | Automatic reference adjustment for position error signal on disk file servo system |
US4608555A (en) * | 1982-12-20 | 1986-08-26 | Hoeft Werner H | Analog to digital flash converter |
US4550309A (en) * | 1984-02-16 | 1985-10-29 | Hewlett Packard Company | Analog to digital converter |
IN164819B (de) * | 1985-08-13 | 1989-06-10 | Babcock & Wilcox Co | |
JPS62175018A (ja) * | 1986-01-28 | 1987-07-31 | Yokogawa Electric Corp | Ad変換器 |
US4679103A (en) * | 1986-04-29 | 1987-07-07 | International Business Machines Corporation | Digital servo control system for a data recording disk file |
JPS6380786A (ja) * | 1986-09-24 | 1988-04-11 | Yamaha Corp | モ−タ駆動制御回路 |
-
1988
- 1988-09-21 US US07/247,469 patent/US5034746A/en not_active Expired - Fee Related
-
1989
- 1989-08-19 JP JP1212143A patent/JPH02123986A/ja active Pending
- 1989-09-14 DE DE68925169T patent/DE68925169T2/de not_active Expired - Fee Related
- 1989-09-14 EP EP89309358A patent/EP0360499B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0360499A3 (de) | 1992-06-03 |
JPH02123986A (ja) | 1990-05-11 |
EP0360499A2 (de) | 1990-03-28 |
US5034746A (en) | 1991-07-23 |
EP0360499B1 (de) | 1995-12-20 |
DE68925169T2 (de) | 1996-07-04 |
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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 |