AU2001279121A1 - Noise-shaped digital frequency synthesis - Google Patents

Noise-shaped digital frequency synthesis

Info

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
Application number
AU2001279121A
Inventor
Timothy W. Sheen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teradyne Inc
Original Assignee
Teradyne Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Teradyne Inc filed Critical Teradyne Inc
Publication of AU2001279121A1 publication Critical patent/AU2001279121A1/en
Abandoned legal-status Critical Current

Links

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)
AU2001279121A 2000-08-24 2001-08-01 Noise-shaped digital frequency synthesis Abandoned AU2001279121A1 (en)

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)

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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)

* Cited by examiner, † Cited by third party
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

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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