CN100485575C - 数字时钟发生器 - Google Patents
数字时钟发生器 Download PDFInfo
- Publication number
- CN100485575C CN100485575C CNB018097073A CN01809707A CN100485575C CN 100485575 C CN100485575 C CN 100485575C CN B018097073 A CNB018097073 A CN B018097073A CN 01809707 A CN01809707 A CN 01809707A CN 100485575 C CN100485575 C CN 100485575C
- Authority
- CN
- China
- Prior art keywords
- digital
- clock generator
- clock
- output
- value
- 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
- 230000001186 cumulative effect Effects 0.000 abstract 3
- 230000000630 rising effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004088 simulation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/08—Clock generators with changeable or programmable clock frequency
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/025—Digital function generators for functions having two-valued amplitude, e.g. Walsh functions
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10024783A DE10024783C2 (de) | 2000-05-19 | 2000-05-19 | Digitaler Taktgenerator |
DE10024783.0 | 2000-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1429356A CN1429356A (zh) | 2003-07-09 |
CN100485575C true CN100485575C (zh) | 2009-05-06 |
Family
ID=7642777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018097073A Expired - Fee Related CN100485575C (zh) | 2000-05-19 | 2001-05-17 | 数字时钟发生器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7339412B2 (zh) |
EP (1) | EP1282847B1 (zh) |
KR (1) | KR20030017512A (zh) |
CN (1) | CN100485575C (zh) |
DE (2) | DE10024783C2 (zh) |
WO (1) | WO2001090863A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7903637B2 (en) | 2004-01-22 | 2011-03-08 | Verizon Business Global Llc | Universal communications identifier |
US9632526B2 (en) * | 2012-11-26 | 2017-04-25 | Microchip Technology Incorporated | Microcontroller with digital clock source |
US10057051B2 (en) * | 2015-05-29 | 2018-08-21 | Silicon Laboratories Inc. | Dual path timing wander removal |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882403A (en) * | 1974-03-14 | 1975-05-06 | Gen Dynamics Corp | Digital frequency synthesizer |
US5247469A (en) * | 1991-05-23 | 1993-09-21 | Proxim, Inc. | Digital frequency synthesizer and method with vernier interpolation |
CN1102892A (zh) * | 1993-07-02 | 1995-05-24 | 协力计算机股份有限公司 | 多频输出的时钟发生器系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0264691B1 (en) * | 1986-10-23 | 1993-07-28 | Abbott Laboratories | Digital timing signal generator and voltage regulator circuit |
US4763341A (en) * | 1987-02-25 | 1988-08-09 | The Grass Valley Group, Inc. | Digital timing using a state machine |
US4933890A (en) | 1989-06-13 | 1990-06-12 | The Charles Stark Draper Laboratory, Inc. | Digital frequency synthesizer |
DE4007293A1 (de) * | 1990-03-08 | 1991-09-12 | Philips Patentverwaltung | Schaltungsanordnung zum erzeugen einer vorgegebenen anzahl ausgangsimpulse |
US5638010A (en) | 1995-06-07 | 1997-06-10 | Analog Devices, Inc. | Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and decimation filters |
-
2000
- 2000-05-19 DE DE10024783A patent/DE10024783C2/de not_active Expired - Fee Related
-
2001
- 2001-05-17 EP EP01940498A patent/EP1282847B1/de not_active Expired - Lifetime
- 2001-05-17 DE DE50111800T patent/DE50111800D1/de not_active Expired - Lifetime
- 2001-05-17 CN CNB018097073A patent/CN100485575C/zh not_active Expired - Fee Related
- 2001-05-17 US US10/276,847 patent/US7339412B2/en not_active Expired - Fee Related
- 2001-05-17 WO PCT/EP2001/005675 patent/WO2001090863A1/de active Search and Examination
- 2001-05-17 KR KR1020027015068A patent/KR20030017512A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882403A (en) * | 1974-03-14 | 1975-05-06 | Gen Dynamics Corp | Digital frequency synthesizer |
US5247469A (en) * | 1991-05-23 | 1993-09-21 | Proxim, Inc. | Digital frequency synthesizer and method with vernier interpolation |
CN1102892A (zh) * | 1993-07-02 | 1995-05-24 | 协力计算机股份有限公司 | 多频输出的时钟发生器系统 |
Also Published As
Publication number | Publication date |
---|---|
DE10024783A1 (de) | 2001-11-22 |
US7339412B2 (en) | 2008-03-04 |
CN1429356A (zh) | 2003-07-09 |
KR20030017512A (ko) | 2003-03-03 |
EP1282847B1 (de) | 2007-01-03 |
EP1282847A1 (de) | 2003-02-12 |
US20030151440A1 (en) | 2003-08-14 |
DE50111800D1 (de) | 2007-02-15 |
DE10024783C2 (de) | 2002-05-08 |
WO2001090863A1 (de) | 2001-11-29 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: TRIDENT MICROSYSTEMS (FAR EAST) LTD. Free format text: FORMER OWNER: MEIKENAS CO. Effective date: 20101215 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: MEIKENAS CO. Free format text: FORMER NAME: MICRONAS AG |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: MUNICH, GERMANY TO: GRAND CAYMAN, CAYMAN ISLANDS (BRITISH) |
|
CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: MICRONAS GmbH Address before: Munich, Germany Patentee before: Micronas Munich GmbH |
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TR01 | Transfer of patent right |
Effective date of registration: 20101215 Address after: Cayman Islands (UK) Grand Cayman Patentee after: TRIDENT MICROSYSTEMS (FAR EAST) Ltd. Address before: Munich, Germany Patentee before: MICRONAS GmbH |
|
ASS | Succession or assignment of patent right |
Owner name: ENTROPIC COMMUNICATIONS, INC. Free format text: FORMER OWNER: TRIDENT MICROSYSTEMS (FAR EAST) LTD. Effective date: 20131111 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20131111 Address after: American California Patentee after: ENTROPIC COMMUNICATIONS, Inc. Address before: Cayman Islands (UK) Grand Cayman Patentee before: Trident Microsystems (Far East) Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20170517 |