CN101674075B - 使用反射信号增加总传递电流的高速数字信令装置和方法 - Google Patents
使用反射信号增加总传递电流的高速数字信令装置和方法 Download PDFInfo
- Publication number
- CN101674075B CN101674075B CN2009101707517A CN200910170751A CN101674075B CN 101674075 B CN101674075 B CN 101674075B CN 2009101707517 A CN2009101707517 A CN 2009101707517A CN 200910170751 A CN200910170751 A CN 200910170751A CN 101674075 B CN101674075 B CN 101674075B
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- China
- Prior art keywords
- termination
- impedance
- transmission line
- signal
- source
- Prior art date
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/022—H-Bridge head driver circuit, the "H" configuration allowing to inverse the current direction in the head
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
- G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/0185—Coupling arrangements; Interface arrangements using field effect transistors only
Landscapes
- Digital Magnetic Recording (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/283,225 | 2008-09-09 | ||
US12/283,225 US7786754B2 (en) | 2008-09-09 | 2008-09-09 | High speed digital signaling apparatus and method using reflected signals to increase total delivered current |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101674075A CN101674075A (zh) | 2010-03-17 |
CN101674075B true CN101674075B (zh) | 2013-01-02 |
Family
ID=41799068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009101707517A Active CN101674075B (zh) | 2008-09-09 | 2009-09-09 | 使用反射信号增加总传递电流的高速数字信令装置和方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7786754B2 (zh) |
CN (1) | CN101674075B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010123233A (ja) * | 2008-11-21 | 2010-06-03 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク・ドライブ及び磁気ディスクへのデータ記録方法 |
US7933090B1 (en) * | 2009-01-14 | 2011-04-26 | Western Digital Technologies, Inc. | Disk drive establishing write current limits prior to optimizing the write current for a plurality of tracks |
US8421510B2 (en) | 2010-06-15 | 2013-04-16 | Texas Instruments Incorporated | Low voltage high-speed wave shaping circuitry |
US8424418B1 (en) | 2010-09-30 | 2013-04-23 | Western Digital Technologies, Inc. | Systems and methods for coupling screwdrivers to screw finders |
US8643973B2 (en) * | 2011-10-25 | 2014-02-04 | Texas Instruments Incorporated | Method and apparatus for reflection cancellation |
US20140173081A1 (en) * | 2012-11-13 | 2014-06-19 | Joshua P. Knapp | Method and apparatus for discovery and enumeration of sequentially networked devices |
JP2016029785A (ja) * | 2014-07-18 | 2016-03-03 | 株式会社東芝 | 通信システム |
US9497049B2 (en) * | 2014-09-04 | 2016-11-15 | Qualcomm Incorporated | Wideband transmitter with high-frequency signal peaking |
US9165596B1 (en) * | 2015-03-13 | 2015-10-20 | HGST Netherlands B.V. | Magnetic recording disk drive with multiple preamplifiers and common transmission line with impedance compensation |
US9647551B2 (en) * | 2015-08-14 | 2017-05-09 | Qualcomm Incorporated | Switched power control circuits for controlling the rate of providing voltages to powered circuits, and related systems and methods |
JP2018207195A (ja) * | 2017-05-31 | 2018-12-27 | セイコーエプソン株式会社 | 回路装置及び電子機器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414480A (en) * | 1981-12-17 | 1983-11-08 | Storage Technology Partners | CMOS Circuit using transmission line interconnections |
US6154047A (en) * | 1996-07-03 | 2000-11-28 | Fujitsu Limited | Bus configuration and input/output buffer |
CN1134951C (zh) * | 1999-01-28 | 2004-01-14 | 英特尔公司 | 通用串行接口收发机和相关方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3660675A (en) * | 1970-05-05 | 1972-05-02 | Honeywell Inc | Transmission line series termination network for interconnecting high speed logic circuits |
US5705937A (en) | 1996-02-23 | 1998-01-06 | Cypress Semiconductor Corporation | Apparatus for programmable dynamic termination |
US5822141A (en) | 1996-03-27 | 1998-10-13 | International Business Machines Corporation | High speed FET write driver for an inductive head |
US5731711A (en) * | 1996-06-26 | 1998-03-24 | Lucent Technologies Inc. | Integrated circuit chip with adaptive input-output port |
US6323672B1 (en) | 1997-06-25 | 2001-11-27 | Sun Microsystems, Inc. | Apparatus for reducing reflections when using dynamic termination logic signaling |
US6323673B1 (en) | 1997-06-25 | 2001-11-27 | Sun Microsystems, Inc. | Apparatus for dynamic termination logic signaling |
US6201653B1 (en) | 1998-06-12 | 2001-03-13 | International Business Machines Corporation | By-pass write drivers for high-performance data recording |
US6577179B2 (en) | 1999-11-15 | 2003-06-10 | Intel Corporation | Dynamic line termination with self-adjusting impedance |
US6356113B1 (en) | 1999-12-28 | 2002-03-12 | International Business Machines Corp. | Recording channel with voltage-type write driver for use with transmission-line interconnect |
TW538339B (en) * | 2000-11-14 | 2003-06-21 | Via Tech Inc | Single transmitting/receiving bus structure for middle point pull-up |
US6671113B2 (en) | 2001-03-06 | 2003-12-30 | International Business Machines Corporation | Characteristically terminated write driver with compensation for magnetic response and method therefor |
US6721115B2 (en) | 2002-04-09 | 2004-04-13 | Texas Instruments Incorporated | System and method for enhancing write driver performance |
US7133234B2 (en) | 2003-07-08 | 2006-11-07 | Texas Instruments Incorporated | Hard disk drive preamplifier write driver |
US7206155B2 (en) | 2003-10-29 | 2007-04-17 | Texas Instruments Incorporated | High-speed, low power preamplifier write driver |
US7009894B2 (en) | 2004-02-19 | 2006-03-07 | Intel Corporation | Dynamically activated memory controller data termination |
US7035028B2 (en) | 2004-05-12 | 2006-04-25 | Stmicroelectronics, Inc. | Disk drive write driver with boosting circuit to improve output voltage swing |
JP2006164312A (ja) | 2004-12-02 | 2006-06-22 | Hitachi Ltd | 半導体装置およびそれを用いた磁気記録再生装置 |
US7417209B2 (en) | 2006-02-24 | 2008-08-26 | Hitachi Global Storage Technologies Netherlands Bv | Recording disk drive with reduced noise thermal flyheight control |
US7619843B2 (en) | 2006-11-14 | 2009-11-17 | Hitachi Global Storage Technologies Netherlands, B.V. | Write through drivers for disk drive systems |
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2008
- 2008-09-09 US US12/283,225 patent/US7786754B2/en active Active
-
2009
- 2009-09-09 CN CN2009101707517A patent/CN101674075B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414480A (en) * | 1981-12-17 | 1983-11-08 | Storage Technology Partners | CMOS Circuit using transmission line interconnections |
US6154047A (en) * | 1996-07-03 | 2000-11-28 | Fujitsu Limited | Bus configuration and input/output buffer |
CN1134951C (zh) * | 1999-01-28 | 2004-01-14 | 英特尔公司 | 通用串行接口收发机和相关方法 |
Also Published As
Publication number | Publication date |
---|---|
US7786754B2 (en) | 2010-08-31 |
CN101674075A (zh) | 2010-03-17 |
US20100061005A1 (en) | 2010-03-11 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: HGST NETHERLANDS BV Free format text: FORMER NAME: HITACHI GLOBAL STORAGE TECH |
|
CP01 | Change in the name or title of a patent holder |
Address after: Amsterdam Patentee after: Hitachi Global Storage Technologies Netherlands B. V. Address before: Amsterdam Patentee before: Hitachi Global Storage Tech |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190125 Address after: American California Patentee after: Western Digital Technologies, Inc. Address before: Amsterdam Patentee before: Hitachi Global Storage Technologies Netherlands B. V. |