DE602004011744D1 - Direkter digitaler Synthesizer mit niedrigem Flimmern - Google Patents

Direkter digitaler Synthesizer mit niedrigem Flimmern

Info

Publication number
DE602004011744D1
DE602004011744D1 DE602004011744T DE602004011744T DE602004011744D1 DE 602004011744 D1 DE602004011744 D1 DE 602004011744D1 DE 602004011744 T DE602004011744 T DE 602004011744T DE 602004011744 T DE602004011744 T DE 602004011744T DE 602004011744 D1 DE602004011744 D1 DE 602004011744D1
Authority
DE
Germany
Prior art keywords
direct digital
digital synthesizer
low flicker
flicker
low
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.)
Active
Application number
DE602004011744T
Other languages
English (en)
Other versions
DE602004011744T2 (de
Inventor
Jason Messier
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 DE602004011744D1 publication Critical patent/DE602004011744D1/de
Application granted granted Critical
Publication of DE602004011744T2 publication Critical patent/DE602004011744T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/0321—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
    • G06F1/0328—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers in which the phase increment is adjustable, e.g. by using an adder-accumulator
    • 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
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/08—Clock generators with changeable or programmable clock frequency
DE602004011744T 2003-12-23 2004-12-23 Direkter digitaler Synthesizer mit niedrigem Flimmern Active DE602004011744T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/744,037 US7327816B2 (en) 2003-12-23 2003-12-23 High resolution synthesizer with improved signal purity
US744037 2003-12-23

Publications (2)

Publication Number Publication Date
DE602004011744D1 true DE602004011744D1 (de) 2008-03-27
DE602004011744T2 DE602004011744T2 (de) 2009-02-12

Family

ID=34552839

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004011744T Active DE602004011744T2 (de) 2003-12-23 2004-12-23 Direkter digitaler Synthesizer mit niedrigem Flimmern

Country Status (7)

Country Link
US (1) US7327816B2 (de)
EP (1) EP1548543B1 (de)
JP (1) JP4808398B2 (de)
CN (1) CN1638263B (de)
DE (1) DE602004011744T2 (de)
SG (1) SG113008A1 (de)
TW (1) TWI260480B (de)

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US7064616B2 (en) * 2003-12-29 2006-06-20 Teradyne, Inc. Multi-stage numeric counter oscillator
US20060095221A1 (en) * 2004-11-03 2006-05-04 Teradyne, Inc. Method and apparatus for controlling variable delays in electronic circuitry
US7471753B2 (en) * 2005-02-01 2008-12-30 Credence Systems Corporation Serializer clock synthesizer
CN100368813C (zh) * 2005-07-28 2008-02-13 南京长盛仪器有限公司 智能元件参数测试仪用等效周期采样装置
US7221298B1 (en) * 2005-12-08 2007-05-22 Teradyne, Inc. Calibration circuitry
JP4850660B2 (ja) * 2006-10-27 2012-01-11 岩通計測株式会社 信号発生装置
US7768355B2 (en) * 2007-11-08 2010-08-03 Agilent Technologies, Inc. Polyphase numerically controlled oscillator
CN102193106A (zh) * 2010-03-18 2011-09-21 长江大学 一种可控震源专用扫频信号的产生方法
CN104242969B (zh) * 2013-06-07 2017-03-15 晨星半导体股份有限公司 信号处理系统、其测试方法以及测试信号产生器
CN103346808B (zh) * 2013-06-19 2015-09-09 华为技术有限公司 一种终端设备
DE102013107120A1 (de) * 2013-07-05 2015-01-08 Endress + Hauser Gmbh + Co. Kg Signalgenerator für eine Messvorrichtung und Messvorrichtung für die Automatisierungstechnik
CN103944537B (zh) * 2013-11-29 2017-08-29 中国船舶重工集团公司第七一六研究所 变时钟dds任意波形信号源控制输出频率的方法及实现装置
CN103956994B (zh) * 2014-03-24 2016-12-07 杭州电子科技大学 一种基于fpga的dds任意波形信号发生器
CN104503289A (zh) * 2014-09-10 2015-04-08 苏州市职业大学 一种正弦波信号发生及分析处理器
CN105262459A (zh) * 2015-10-15 2016-01-20 深圳市鼎阳科技有限公司 一种采用内插结构的dds任意波形发生器和方法
US10615230B2 (en) 2017-11-08 2020-04-07 Teradyne, Inc. Identifying potentially-defective picture elements in an active-matrix display panel
US11415623B2 (en) 2019-03-28 2022-08-16 Teradyne, Inc. Test system supporting reverse compliance
US11221361B2 (en) 2019-09-03 2022-01-11 Teradyne, Inc. Controlling power dissipation in an output stage of a test channel
US11187745B2 (en) 2019-10-30 2021-11-30 Teradyne, Inc. Stabilizing a voltage at a device under test
CN113030577B (zh) * 2021-03-19 2022-07-15 常州同惠电子股份有限公司 时钟及正弦波产生系统、产生方法
US11689191B2 (en) 2021-03-30 2023-06-27 Stmicroelectronics International N.V. High frequency resolution digital sinusoid generator
CN113434006B (zh) * 2021-07-08 2022-06-03 电子科技大学 一种基于dds的高分辨率脉冲波形产生装置
CN115097897B (zh) * 2022-05-20 2023-11-03 珠海市运泰利自动化设备有限公司 一种信号发生器的错相交织输出方法
CN114660979B (zh) * 2022-05-25 2022-08-09 南京宏泰半导体科技有限公司 一种多通道共享带宽的任意信号发生与采集装置

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US4454486A (en) * 1981-11-02 1984-06-12 Hewlett-Packard Company Waveform synthesis using multiplexed parallel synthesizers
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JPH01144818A (ja) * 1987-12-01 1989-06-07 Toshiba Corp 数値制御形発振回路
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US5130671A (en) * 1990-12-26 1992-07-14 Hughes Aircraft Company Phase-locked loop frequency tracking device including a direct digital synthesizer
GB9117533D0 (en) 1991-08-14 1992-02-19 British Aerospace Space And Co Digital chirp generator systems
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JPH08330848A (ja) * 1995-06-06 1996-12-13 Toshiba Corp 数値制御発振回路
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JPH09260949A (ja) * 1996-03-25 1997-10-03 Yokogawa Electric Corp 信号発生装置
EP0974196B1 (de) * 1997-04-07 2006-05-10 BenQ Mobile GmbH & Co. oHG Digitale afc-einstellung durch reziproke dds
US6091783A (en) * 1997-04-25 2000-07-18 International Business Machines Corporation High speed digital data transmission by separately clocking and recombining interleaved data subgroups
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US7092476B1 (en) * 2001-12-06 2006-08-15 Cirrus Logic, Inc. Direct synthesis clock generation circuits and methods
US7079612B2 (en) * 2002-01-29 2006-07-18 Texas Instruments Incorporated Fast bit-error-rate (BER) test
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US7130327B2 (en) * 2003-06-27 2006-10-31 Northrop Grumman Corporation Digital frequency synthesis
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Also Published As

Publication number Publication date
JP4808398B2 (ja) 2011-11-02
CN1638263A (zh) 2005-07-13
EP1548543A1 (de) 2005-06-29
TWI260480B (en) 2006-08-21
CN1638263B (zh) 2010-06-16
SG113008A1 (en) 2005-07-28
US7327816B2 (en) 2008-02-05
TW200521647A (en) 2005-07-01
EP1548543B1 (de) 2008-02-13
JP2005195585A (ja) 2005-07-21
DE602004011744T2 (de) 2009-02-12
US20050135524A1 (en) 2005-06-23

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: MESSIER, JASON, BOSTON, MASS., US

8364 No opposition during term of opposition