AU2001279121A1 - Noise-shaped digital frequency synthesis - Google Patents
Noise-shaped digital frequency synthesisInfo
- Publication number
- AU2001279121A1 AU2001279121A1 AU2001279121A AU7912101A AU2001279121A1 AU 2001279121 A1 AU2001279121 A1 AU 2001279121A1 AU 2001279121 A AU2001279121 A AU 2001279121A AU 7912101 A AU7912101 A AU 7912101A AU 2001279121 A1 AU2001279121 A1 AU 2001279121A1
- Authority
- AU
- Australia
- Prior art keywords
- noise
- digital frequency
- frequency synthesis
- shaped digital
- shaped
- 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.)
- Abandoned
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
Classifications
-
- 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
-
- 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Manipulation Of Pulses (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Analogue/Digital Conversion (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tests Of Electronic Circuits (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/645,367 | 2000-08-24 | ||
US09645367 | 2000-08-24 | ||
US09/645,367 US6396313B1 (en) | 2000-08-24 | 2000-08-24 | Noise-shaped digital frequency synthesis |
PCT/US2001/024085 WO2002017050A2 (en) | 2000-08-24 | 2001-08-01 | Noise-shaped digital frequency synthesis |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001279121A1 true AU2001279121A1 (en) | 2002-03-04 |
Family
ID=24588719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001279121A Abandoned AU2001279121A1 (en) | 2000-08-24 | 2001-08-01 | Noise-shaped digital frequency synthesis |
Country Status (8)
Country | Link |
---|---|
US (1) | US6396313B1 (en) |
EP (1) | EP1311935A2 (en) |
JP (1) | JP4620931B2 (en) |
KR (1) | KR100865662B1 (en) |
CN (1) | CN1447935B (en) |
AU (1) | AU2001279121A1 (en) |
TW (1) | TW503621B (en) |
WO (1) | WO2002017050A2 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7221724B2 (en) * | 2002-10-10 | 2007-05-22 | Bitzmo, Inc. | Precision timing generation |
US7315601B2 (en) * | 2003-03-13 | 2008-01-01 | Texas Instruments Incorporated | Low-noise sigma-delta frequency synthesizer |
DE60313812T3 (en) * | 2003-04-02 | 2019-04-11 | Christopher Julian Travis | METHOD FOR GENERATING AN OSCILLATOR TONE SIGNAL |
US7143125B2 (en) * | 2003-04-16 | 2006-11-28 | Motorola, Inc. | Method and apparatus for noise shaping in direct digital synthesis circuits |
US7336748B2 (en) * | 2003-12-23 | 2008-02-26 | Teradyne, Inc. | DDS circuit with arbitrary frequency control clock |
US20050172785A1 (en) * | 2004-02-02 | 2005-08-11 | Fisher-Robbins Holly E. | Musical instrument |
CN1588806B (en) * | 2004-09-03 | 2010-04-28 | 浙江大学 | Quantizing noise shaping modulator and quantizing noise shaping method |
US20060117201A1 (en) * | 2004-11-30 | 2006-06-01 | Infineon Technologies North America Corp. | Variable pipeline circuit |
JP4593261B2 (en) * | 2004-12-17 | 2010-12-08 | セイコーNpc株式会社 | Frequency synthesizer and reference signal phase setting method thereof |
US7317348B2 (en) * | 2006-01-27 | 2008-01-08 | International Business Machines Corporation | Noise reduction in digital systems |
JP4788422B2 (en) * | 2006-03-20 | 2011-10-05 | パナソニック株式会社 | Noise shaping type quantizer |
GB2437571B (en) * | 2006-04-26 | 2011-07-20 | Zarlink Semiconductor Inc | Digitally controlled oscillator with jitter shaping capability |
WO2007144808A2 (en) * | 2006-06-15 | 2007-12-21 | Nxp B.V. | A method of providing a clock frequency for a processor |
US8037337B2 (en) | 2007-11-28 | 2011-10-11 | International Business Machines Corporation | Structures including circuits for noise reduction in digital systems |
US7403054B1 (en) | 2007-12-05 | 2008-07-22 | International Business Machines Corporation | Sub-picosecond multiphase clock generator |
US8313155B2 (en) * | 2008-09-15 | 2012-11-20 | Edge Composites, LLC | Advanced composite rim having molded in spoke holes |
CN102109875B (en) * | 2009-12-28 | 2015-05-20 | 北京普源精电科技有限公司 | Signal generator with pulse signal generation function, and method for generating pulse signal |
KR101738875B1 (en) * | 2011-02-16 | 2017-05-24 | 삼성디스플레이 주식회사 | Coarse lock detector and delay locked loop comprising the same |
US9397670B2 (en) | 2014-07-02 | 2016-07-19 | Teradyne, Inc. | Edge generator-based phase locked loop reference clock generator for automated test system |
US10139449B2 (en) | 2016-01-26 | 2018-11-27 | Teradyne, Inc. | Automatic test system with focused test hardware |
TWI666871B (en) * | 2019-01-17 | 2019-07-21 | 瑞昱半導體股份有限公司 | Frequency doubling apparatus and method thereof |
CN110266309B (en) * | 2019-07-12 | 2024-04-30 | 加特兰微电子科技(上海)有限公司 | Digital modulator, frequency synthesizer and method for improving speed of modulator |
US11563444B1 (en) | 2021-09-09 | 2023-01-24 | Textron Systems Corporation | Suppressing spurious signals in direct-digital synthesizers |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE36063E (en) | 1987-02-09 | 1999-01-26 | Teradyne, Inc. | Timing generator with edge generators, utilizing programmable delays, providing synchronized timing signals at non-integer multiples of a clock signal |
JPH05244011A (en) * | 1992-02-29 | 1993-09-21 | Sony Corp | Noise shaping circuit |
US5508647A (en) * | 1992-06-19 | 1996-04-16 | Nec Corporation | Noise shaper for preventing noise in low frequency band |
US5619202A (en) | 1994-11-22 | 1997-04-08 | Analog Devices, Inc. | Variable sample rate ADC |
US5892468A (en) | 1993-09-13 | 1999-04-06 | Analog Devices, Inc. | Digital-to-digital conversion using nonuniform sample rates |
US5512895A (en) | 1994-04-25 | 1996-04-30 | Teradyne, Inc. | Sample rate converter |
EP0815461B1 (en) | 1995-03-16 | 2000-06-21 | Teradyne, Inc. | Timing generator with multiple coherent synchronized clocks |
US5566188A (en) | 1995-03-29 | 1996-10-15 | Teradyne, Inc. | Low cost timing generator for automatic test equipment operating at high data rates |
JP3086706B2 (en) * | 1995-08-03 | 2000-09-11 | アンリツ株式会社 | Rational frequency divider and frequency synthesizer using the same |
US5627500A (en) * | 1995-12-26 | 1997-05-06 | Tektronix, Inc. | Phase modulator having individually placed edges |
FR2765419B1 (en) * | 1997-06-27 | 1999-09-17 | Thomson Csf | DEVICE FOR GENERATING ANALOG SIGNALS FROM ANALOG-TO-DIGITAL CONVERTERS, PARTICULARLY FOR DIRECT DIGITAL SYNTHESIS |
US6252464B1 (en) * | 1999-10-06 | 2001-06-26 | Cubic Defense Systems, Inc. | Numerically-controlled nyquist-boundary hopping frequency synthesizer |
-
2000
- 2000-08-24 US US09/645,367 patent/US6396313B1/en not_active Expired - Lifetime
-
2001
- 2001-08-01 EP EP01957367A patent/EP1311935A2/en not_active Withdrawn
- 2001-08-01 CN CN018145310A patent/CN1447935B/en not_active Expired - Lifetime
- 2001-08-01 WO PCT/US2001/024085 patent/WO2002017050A2/en active Application Filing
- 2001-08-01 AU AU2001279121A patent/AU2001279121A1/en not_active Abandoned
- 2001-08-01 KR KR1020037002666A patent/KR100865662B1/en active IP Right Grant
- 2001-08-01 JP JP2002521678A patent/JP4620931B2/en not_active Expired - Lifetime
- 2001-08-07 TW TW090119201A patent/TW503621B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW503621B (en) | 2002-09-21 |
KR20030028816A (en) | 2003-04-10 |
WO2002017050A2 (en) | 2002-02-28 |
KR100865662B1 (en) | 2008-10-29 |
US6396313B1 (en) | 2002-05-28 |
CN1447935A (en) | 2003-10-08 |
EP1311935A2 (en) | 2003-05-21 |
JP4620931B2 (en) | 2011-01-26 |
JP2004507916A (en) | 2004-03-11 |
CN1447935B (en) | 2010-05-05 |
WO2002017050A3 (en) | 2002-07-18 |
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