DE69616491D1 - Modulator mit individuell gesetzten Flanken - Google Patents
Modulator mit individuell gesetzten FlankenInfo
- Publication number
- DE69616491D1 DE69616491D1 DE69616491T DE69616491T DE69616491D1 DE 69616491 D1 DE69616491 D1 DE 69616491D1 DE 69616491 T DE69616491 T DE 69616491T DE 69616491 T DE69616491 T DE 69616491T DE 69616491 D1 DE69616491 D1 DE 69616491D1
- Authority
- DE
- Germany
- Prior art keywords
- modulator
- individually set
- set edges
- edges
- individually
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0818—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the controlled phase shifter comprising coarse and fine delay or phase-shifting means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pulse Circuits (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/578,748 US5627500A (en) | 1995-12-26 | 1995-12-26 | Phase modulator having individually placed edges |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69616491D1 true DE69616491D1 (de) | 2001-12-06 |
DE69616491T2 DE69616491T2 (de) | 2002-05-23 |
Family
ID=24314148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69616491T Expired - Fee Related DE69616491T2 (de) | 1995-12-26 | 1996-12-16 | Modulator mit individuell gesetzten Flanken |
Country Status (4)
Country | Link |
---|---|
US (1) | US5627500A (de) |
EP (1) | EP0783147B1 (de) |
JP (1) | JP3831032B2 (de) |
DE (1) | DE69616491T2 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2749454B1 (fr) * | 1996-05-31 | 1998-08-14 | Sgs Thomson Microelectronics | Procede et dispositif programmable de generation d'impulsions de largeur variable |
US6081550A (en) * | 1997-02-26 | 2000-06-27 | Alcatel | Method of testing clock paths and network elements for carrying out the method |
US6255866B1 (en) | 1998-05-29 | 2001-07-03 | Tektronix, Inc. | Digital phase analyzer and synthesizer |
US6469550B1 (en) * | 1999-12-30 | 2002-10-22 | Intel Corporation | Parallel phase locked loops skew measure and dynamic skew and jitter error compensation method and apparatus |
DE60020063T2 (de) * | 2000-01-05 | 2006-01-19 | Tektronix, Inc., Wilsonville | Digitaler Phasenanalysator und Synthetisierer |
DE60026179T2 (de) * | 2000-01-19 | 2006-11-02 | Koninklijke Philips Electronics N.V. | Fm rundfunkempfänger |
FR2808343A1 (fr) * | 2000-04-26 | 2001-11-02 | Schlumberger Systems & Service | Dispositif de generation de signal numerique |
US6396313B1 (en) * | 2000-08-24 | 2002-05-28 | Teradyne, Inc. | Noise-shaped digital frequency synthesis |
JP2002223124A (ja) * | 2001-01-24 | 2002-08-09 | Mitsubishi Electric Corp | 周波数電圧変換回路 |
US20040135076A1 (en) * | 2003-01-15 | 2004-07-15 | Xerox Corporation | Method and apparatus for obtaining a high quality sine wave from an analog quadrature encoder |
US7103110B2 (en) * | 2003-10-10 | 2006-09-05 | Atmel Corporation | Dual phase pulse modulation encoder circuit |
US6947493B2 (en) * | 2003-10-10 | 2005-09-20 | Atmel Corporation | Dual phase pulse modulation decoder circuit |
US7283011B2 (en) * | 2003-10-10 | 2007-10-16 | Atmel Corporation | Method for performing dual phase pulse modulation |
CA2460295C (en) * | 2003-10-27 | 2009-08-04 | Vcom Inc. | Method and apparatus for digital vector qam modulator |
TWI318038B (en) * | 2004-03-05 | 2009-12-01 | Wistron Corp | Booster |
US7079577B2 (en) * | 2004-09-08 | 2006-07-18 | Atmel Corporation | Wide window decoder circuit for dual phase pulse modulation |
JP2008148014A (ja) * | 2006-12-11 | 2008-06-26 | Niigata Seimitsu Kk | デジタル変調器 |
DK1983711T3 (da) * | 2007-04-17 | 2019-09-23 | Sivantos Gmbh | Digital fasemodulator og dertil svarende fremgangsmåde |
US8254435B2 (en) * | 2008-08-28 | 2012-08-28 | Advantest Corporation | Modulation method and modulator using pulse edge shift |
US9077322B2 (en) * | 2012-08-20 | 2015-07-07 | Tektronix, Inc. | Ring oscillator timer circuit |
GB2539459A (en) | 2015-06-16 | 2016-12-21 | Nordic Semiconductor Asa | Waveform generation |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3559103A (en) * | 1965-10-05 | 1971-01-26 | Duane H Cooper | Method of delay modulation |
DE2261352C3 (de) * | 1972-12-15 | 1981-09-03 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zum Umwandeln einer ersten Folge periodischer Impulse in eine zweite Folge periodischer Impulse mit niedriger Frequenz |
US3783304A (en) * | 1972-12-22 | 1974-01-01 | Rca Corp | Constant pulse width generator |
US3898589A (en) * | 1974-05-02 | 1975-08-05 | Hughes Aircraft Co | Pulse position and phase modulator |
GB1585936A (en) * | 1978-04-26 | 1981-03-11 | Philips Electronic Associated | Phase modulator circuit |
US4321687A (en) * | 1979-10-01 | 1982-03-23 | International Business Machines Corporation | Timing pulse generation |
US4417352A (en) * | 1980-05-05 | 1983-11-22 | Ilc Data Device Corporation | Microphase stepper employing improved digital timing incrementer employing a rate multiplier |
US4564953A (en) * | 1983-03-28 | 1986-01-14 | Texas Instruments Incorporated | Programmable timing system |
US4608706A (en) * | 1983-07-11 | 1986-08-26 | International Business Machines Corporation | High-speed programmable timing generator |
US4714924A (en) * | 1985-12-30 | 1987-12-22 | Eta Systems, Inc. | Electronic clock tuning system |
DE3634594A1 (de) * | 1986-10-10 | 1988-04-14 | Philips Patentverwaltung | Schaltungsanordnung zur erzeugung rationalzahliger frequenzverhaeltnisse |
US4746880A (en) * | 1987-02-06 | 1988-05-24 | Digital Rf Solutions Corporation | Number controlled modulated oscillator |
JP2687384B2 (ja) * | 1988-01-14 | 1997-12-08 | ソニー株式会社 | タイミングパルス発生回路 |
EP0345390A1 (de) * | 1988-06-08 | 1989-12-13 | Hewlett-Packard Limited | Jitterschaltungen |
US4870665A (en) * | 1988-08-04 | 1989-09-26 | Gte Government Systems Corporation | Digital pulse generator having a programmable pulse width and a pulse repetition interval |
US5034967A (en) * | 1988-11-14 | 1991-07-23 | Datapoint Corporation | Metastable-free digital synchronizer with low phase error |
US5039950A (en) * | 1989-07-20 | 1991-08-13 | Eastman Kodak Company | Multiple clock synthesizer |
US5418932A (en) * | 1990-02-01 | 1995-05-23 | Hitachi, Ltd. | Generation of width modulated pulses by relatively adjusting rising and falling edges upon comparison of counter with programmably stored values |
US5313622A (en) * | 1990-08-16 | 1994-05-17 | National Instruments | Timing apparatus and method for generating instruction signals |
US5247469A (en) * | 1991-05-23 | 1993-09-21 | Proxim, Inc. | Digital frequency synthesizer and method with vernier interpolation |
US5293628A (en) * | 1991-11-04 | 1994-03-08 | Motorola, Inc. | Data processing system which generates a waveform with improved pulse width resolution |
US5394106A (en) * | 1993-08-31 | 1995-02-28 | Gadzoox Microsystems | Apparatus and method for synthesis of signals with programmable periods |
-
1995
- 1995-12-26 US US08/578,748 patent/US5627500A/en not_active Expired - Lifetime
-
1996
- 1996-12-16 DE DE69616491T patent/DE69616491T2/de not_active Expired - Fee Related
- 1996-12-16 EP EP96309155A patent/EP0783147B1/de not_active Expired - Lifetime
- 1996-12-26 JP JP34770696A patent/JP3831032B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5627500A (en) | 1997-05-06 |
JP3831032B2 (ja) | 2006-10-11 |
EP0783147B1 (de) | 2001-10-31 |
EP0783147A3 (de) | 1997-12-03 |
EP0783147A2 (de) | 1997-07-09 |
DE69616491T2 (de) | 2002-05-23 |
JPH09200012A (ja) | 1997-07-31 |
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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 |