IT1313393B1 - Metodo e circuito digitale di regolazione ad anello chiuso del dutycycle di un segnale di clock. - Google Patents
Metodo e circuito digitale di regolazione ad anello chiuso del dutycycle di un segnale di clock.Info
- Publication number
- IT1313393B1 IT1313393B1 IT1999VA000023A ITVA990023A IT1313393B1 IT 1313393 B1 IT1313393 B1 IT 1313393B1 IT 1999VA000023 A IT1999VA000023 A IT 1999VA000023A IT VA990023 A ITVA990023 A IT VA990023A IT 1313393 B1 IT1313393 B1 IT 1313393B1
- Authority
- IT
- Italy
- Prior art keywords
- dutycycle
- circuit
- clock signal
- closed ring
- regulation method
- Prior art date
Links
Classifications
-
- 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
- H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
- H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Television Signal Processing For Recording (AREA)
- Pulse Circuits (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999VA000023A IT1313393B1 (it) | 1999-09-03 | 1999-09-03 | Metodo e circuito digitale di regolazione ad anello chiuso del dutycycle di un segnale di clock. |
US09/653,739 US6326827B1 (en) | 1999-09-03 | 2000-09-01 | Method and a relative digital circuit of feedback regulation of the duty cycle of a clock signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1999VA000023A IT1313393B1 (it) | 1999-09-03 | 1999-09-03 | Metodo e circuito digitale di regolazione ad anello chiuso del dutycycle di un segnale di clock. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITVA990023A0 ITVA990023A0 (it) | 1999-09-03 |
ITVA990023A1 ITVA990023A1 (it) | 2001-03-03 |
IT1313393B1 true IT1313393B1 (it) | 2002-07-23 |
Family
ID=11423535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1999VA000023A IT1313393B1 (it) | 1999-09-03 | 1999-09-03 | Metodo e circuito digitale di regolazione ad anello chiuso del dutycycle di un segnale di clock. |
Country Status (2)
Country | Link |
---|---|
US (1) | US6326827B1 (it) |
IT (1) | IT1313393B1 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6326687B1 (en) | 1998-09-01 | 2001-12-04 | Micron Technology, Inc. | IC package with dual heat spreaders |
US6687844B1 (en) * | 2000-09-28 | 2004-02-03 | Intel Corporation | Method for correcting clock duty cycle skew by adjusting a delayed clock signal according to measured differences in time intervals between phases of original clock signal |
US6518809B1 (en) | 2001-08-01 | 2003-02-11 | Cypress Semiconductor Corp. | Clock circuit with self correcting duty cycle |
US6771136B1 (en) | 2001-12-10 | 2004-08-03 | Cypress Semiconductor Corp. | System and method for restoring the mark and space ratio of a clocking signal output from an oscillator |
DE10214304B4 (de) * | 2002-03-28 | 2004-10-21 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Erzeugung zweier Signale mit einem vorbestimmten Abstand sich entsprechender Signalflanken zueinander |
US6882196B2 (en) * | 2002-07-18 | 2005-04-19 | Sun Microsystems, Inc. | Duty cycle corrector |
US7131034B2 (en) * | 2002-11-12 | 2006-10-31 | Sun Microsystems, Inc. | On-chip measurement of signal state duration |
US7036098B2 (en) * | 2003-06-30 | 2006-04-25 | Sun Microsystems, Inc. | On-chip signal state duration measurement and adjustment |
FR2916288B1 (fr) * | 2007-05-18 | 2009-08-21 | Commissariat Energie Atomique | Dispositif d'alimentation d'un circuit electronique et circuit electronique |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5926053A (en) * | 1995-12-15 | 1999-07-20 | National Semiconductor Corporation | Selectable clock generation mode |
US5757218A (en) * | 1996-03-12 | 1998-05-26 | International Business Machines Corporation | Clock signal duty cycle correction circuit and method |
US6205191B1 (en) * | 1997-07-21 | 2001-03-20 | Rambus Inc. | Method and apparatus for synchronizing a control signal |
-
1999
- 1999-09-03 IT IT1999VA000023A patent/IT1313393B1/it active
-
2000
- 2000-09-01 US US09/653,739 patent/US6326827B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6326827B1 (en) | 2001-12-04 |
ITVA990023A1 (it) | 2001-03-03 |
ITVA990023A0 (it) | 1999-09-03 |
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