WO2004082141A1 - Générateur d'horloge - Google Patents
Générateur d'horloge Download PDFInfo
- Publication number
- WO2004082141A1 WO2004082141A1 PCT/CH2004/000121 CH2004000121W WO2004082141A1 WO 2004082141 A1 WO2004082141 A1 WO 2004082141A1 CH 2004000121 W CH2004000121 W CH 2004000121W WO 2004082141 A1 WO2004082141 A1 WO 2004082141A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inverters
- inverter
- output
- clock generator
- supply
- 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
- H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
- H03K5/133—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals using a chain of active delay devices
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L5/00—Automatic control of voltage, current, or power
-
- 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
- H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
- H03K2005/00019—Variable delay
- H03K2005/00026—Variable delay controlled by an analog electrical signal, e.g. obtained after conversion by a D/A converter
- H03K2005/00032—Dc control of switching transistors
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Electric Clocks (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/548,806 US7339854B2 (en) | 2003-03-13 | 2004-03-03 | Clock generator |
EP04716530A EP1606877A1 (fr) | 2003-03-13 | 2004-03-03 | Générateur d'horloge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR03/03111 | 2003-03-13 | ||
FR0303111A FR2852465B1 (fr) | 2003-03-13 | 2003-03-13 | Generateur d'horloge |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004082141A1 true WO2004082141A1 (fr) | 2004-09-23 |
Family
ID=32893273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2004/000121 WO2004082141A1 (fr) | 2003-03-13 | 2004-03-03 | Générateur d'horloge |
Country Status (4)
Country | Link |
---|---|
US (1) | US7339854B2 (fr) |
EP (1) | EP1606877A1 (fr) |
FR (1) | FR2852465B1 (fr) |
WO (1) | WO2004082141A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2416968A (en) * | 2004-07-30 | 2006-02-08 | Hewlett Packard Development Co | Clock circuit for RFID tag which forces a change in oscillator state in response to transition in received signal to achieve immediate synchronisation |
CN115225065A (zh) * | 2022-08-31 | 2022-10-21 | 上海韬润半导体有限公司 | 时钟调整电路 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3816973A1 (de) * | 1987-05-21 | 1988-12-22 | Pioneer Electronic Corp | Impulsbreitenstoerkorrekturschaltung |
EP0377897A2 (fr) * | 1988-12-28 | 1990-07-18 | Kabushiki Kaisha Toshiba | Dispositif de commande de rapport cyclique |
US5477180A (en) * | 1994-10-11 | 1995-12-19 | At&T Global Information Solutions Company | Circuit and method for generating a clock signal |
US5907254A (en) * | 1996-02-05 | 1999-05-25 | Chang; Theodore H. | Reshaping periodic waveforms to a selected duty cycle |
US5912574A (en) * | 1996-12-09 | 1999-06-15 | Sun Microsystems, Inc. | Dual loop PLL with secondary loop to achieve 50% duty cycle |
US6509771B1 (en) * | 2001-12-14 | 2003-01-21 | International Business Machines Corporation | Enhanced operational frequency for a precise and programmable duty cycle generator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4959557A (en) * | 1989-05-18 | 1990-09-25 | Compaq Computer Corporation | Negative feedback circuit to control the duty cycle of a logic system clock |
US5345186A (en) * | 1993-01-19 | 1994-09-06 | Credence Systems Corporation | Retriggered oscillator for jitter-free phase locked loop frequency synthesis |
GB9522223D0 (en) * | 1995-10-31 | 1996-01-03 | Sgs Thomson Microelectronics | A circuit for generating an output signal having a 50% duty cycle |
US6028491A (en) * | 1998-04-29 | 2000-02-22 | Atmel Corporation | Crystal oscillator with controlled duty cycle |
US6320438B1 (en) * | 2000-08-17 | 2001-11-20 | Pericom Semiconductor Corp. | Duty-cycle correction driver with dual-filter feedback loop |
-
2003
- 2003-03-13 FR FR0303111A patent/FR2852465B1/fr not_active Expired - Fee Related
-
2004
- 2004-03-03 US US10/548,806 patent/US7339854B2/en not_active Expired - Fee Related
- 2004-03-03 WO PCT/CH2004/000121 patent/WO2004082141A1/fr active Application Filing
- 2004-03-03 EP EP04716530A patent/EP1606877A1/fr not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3816973A1 (de) * | 1987-05-21 | 1988-12-22 | Pioneer Electronic Corp | Impulsbreitenstoerkorrekturschaltung |
EP0377897A2 (fr) * | 1988-12-28 | 1990-07-18 | Kabushiki Kaisha Toshiba | Dispositif de commande de rapport cyclique |
US5477180A (en) * | 1994-10-11 | 1995-12-19 | At&T Global Information Solutions Company | Circuit and method for generating a clock signal |
US5907254A (en) * | 1996-02-05 | 1999-05-25 | Chang; Theodore H. | Reshaping periodic waveforms to a selected duty cycle |
US5912574A (en) * | 1996-12-09 | 1999-06-15 | Sun Microsystems, Inc. | Dual loop PLL with secondary loop to achieve 50% duty cycle |
US6509771B1 (en) * | 2001-12-14 | 2003-01-21 | International Business Machines Corporation | Enhanced operational frequency for a precise and programmable duty cycle generator |
Also Published As
Publication number | Publication date |
---|---|
EP1606877A1 (fr) | 2005-12-21 |
FR2852465B1 (fr) | 2005-04-29 |
US7339854B2 (en) | 2008-03-04 |
FR2852465A1 (fr) | 2004-09-17 |
US20060214701A1 (en) | 2006-09-28 |
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