DE69503192T2 - Ringoszillator mit einstellbarer Frequenz - Google Patents

Ringoszillator mit einstellbarer Frequenz

Info

Publication number
DE69503192T2
DE69503192T2 DE69503192T DE69503192T DE69503192T2 DE 69503192 T2 DE69503192 T2 DE 69503192T2 DE 69503192 T DE69503192 T DE 69503192T DE 69503192 T DE69503192 T DE 69503192T DE 69503192 T2 DE69503192 T2 DE 69503192T2
Authority
DE
Germany
Prior art keywords
ring oscillator
adjustable frequency
frequency ring
adjustable
oscillator
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
Application number
DE69503192T
Other languages
English (en)
Other versions
DE69503192D1 (de
Inventor
James A Henson
William R Akin
Scott Richmond
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.)
Quantum Corp
Original Assignee
Quantum Corp
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 Quantum Corp filed Critical Quantum Corp
Publication of DE69503192D1 publication Critical patent/DE69503192D1/de
Application granted granted Critical
Publication of DE69503192T2 publication Critical patent/DE69503192T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0315—Ring oscillators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
DE69503192T 1994-06-07 1995-05-19 Ringoszillator mit einstellbarer Frequenz Expired - Fee Related DE69503192T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/255,162 US5471176A (en) 1994-06-07 1994-06-07 Glitchless frequency-adjustable ring oscillator

Publications (2)

Publication Number Publication Date
DE69503192D1 DE69503192D1 (de) 1998-08-06
DE69503192T2 true DE69503192T2 (de) 1999-02-25

Family

ID=22967114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69503192T Expired - Fee Related DE69503192T2 (de) 1994-06-07 1995-05-19 Ringoszillator mit einstellbarer Frequenz

Country Status (5)

Country Link
US (1) US5471176A (de)
EP (1) EP0687064B1 (de)
JP (1) JPH0879060A (de)
KR (1) KR960003108A (de)
DE (1) DE69503192T2 (de)

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DE10003532C1 (de) * 2000-01-27 2001-08-16 Siemens Ag Taktgenerator

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US6204694B1 (en) 1999-05-21 2001-03-20 Logicvision, Inc. Programmable clock signal generation circuits and methods for generating accurate, high frequency, clock signals
US6294937B1 (en) 1999-05-25 2001-09-25 Lsi Logic Corporation Method and apparatus for self correcting parallel I/O circuitry
US6557066B1 (en) 1999-05-25 2003-04-29 Lsi Logic Corporation Method and apparatus for data dependent, dual level output driver
US6445661B1 (en) * 1999-08-11 2002-09-03 Oak Technology, Inc. Circuit, disk controller and method for calibrating a high precision delay of an input signal
US7095793B2 (en) * 2000-01-07 2006-08-22 Mario Hieb Digital exciter/phasor/transmitter for directional antennal system
KR100802969B1 (ko) * 2000-11-30 2008-02-14 라이카 게오시스템스 아게 거리 측정 장치 내의 주파수 합성을 위한 방법 및 장치
US6614216B2 (en) * 2001-02-07 2003-09-02 Square D Company System and method for intersample timing error reduction
DE60204556D1 (de) * 2001-03-20 2005-07-14 Nptest Inc Taktsignalgenerator mit niedrigem jitter für ein test-system
US7321601B2 (en) 2001-09-26 2008-01-22 General Atomics Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation
US7342973B2 (en) * 2001-09-26 2008-03-11 General Atomics Method and apparatus for adapting multi-band ultra-wideband signaling to interference sources
US7236464B2 (en) * 2001-09-26 2007-06-26 General Atomics Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme
AU2002337702A1 (en) * 2001-09-26 2003-04-07 General Atomics Method and apparatus for data transfer using a time division multiple frequency scheme
US7609608B2 (en) * 2001-09-26 2009-10-27 General Atomics Method and apparatus for data transfer using a time division multiple frequency scheme with additional modulation
AU2002337701A1 (en) * 2001-09-26 2003-04-07 General Atomics Tunable oscillator
US6807509B2 (en) * 2001-12-11 2004-10-19 International Business Machines Corporation Method and systems to measure propagation delay in semiconductor chips
KR100484133B1 (ko) * 2002-01-29 2005-04-18 삼성전자주식회사 링 오실레이터를 이용한 광기록매체 기록 펄스 발생 장치및 방법
JP4335809B2 (ja) * 2002-02-20 2009-09-30 ジェネラル アトミックス 追加変調を備える時分割多重周波数方式を使用するデータ転送のための方法および装置
US7028207B2 (en) * 2002-08-22 2006-04-11 Micron Technology, Inc. Measure controlled delay with duty cycle control
KR100561439B1 (ko) * 2004-07-20 2006-03-17 삼성전자주식회사 비디오 클럭 생성장치 및 방법
US7839220B2 (en) * 2006-08-10 2010-11-23 Marvell Israel (M. I. S. L.) Ltd. Phase-locked loop runaway detector
US7705687B1 (en) * 2006-12-21 2010-04-27 Marvell International, Ltd. Digital ring oscillator
US8635260B2 (en) * 2009-12-02 2014-01-21 Seagate Technology Llc Random number generator incorporating channel filter coefficients
US8583711B2 (en) * 2009-12-02 2013-11-12 Seagate Technology Llc Random number generation system with ring oscillators
DE102016203271A1 (de) 2016-02-29 2017-08-31 Infineon Technologies Ag Mikrocontroller und Verfahren zum Modifizieren eines Übertragungssignals
JP2017194789A (ja) * 2016-04-19 2017-10-26 ローム株式会社 クロック発生装置、電子回路、集積回路、及び電気機器
EP3687815B1 (de) 2018-12-03 2021-11-10 Hewlett-Packard Development Company, L.P. Logische schaltung
KR20210087982A (ko) 2018-12-03 2021-07-13 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 로직 회로
CN113168454A (zh) 2018-12-03 2021-07-23 惠普发展公司，有限责任合伙企业 逻辑电路系统封装
US10894423B2 (en) 2018-12-03 2021-01-19 Hewlett-Packard Development Company, L.P. Logic circuitry
WO2020117197A1 (en) 2018-12-03 2020-06-11 Hewlett-Packard Development Company, L.P. Logic circuitry
ES2955564T3 (es) 2018-12-03 2023-12-04 Hewlett Packard Development Co Sistema de circuitos lógicos
EP3681723B1 (de) 2018-12-03 2021-07-28 Hewlett-Packard Development Company, L.P. Logische schaltung
CN113168457A (zh) 2018-12-03 2021-07-23 惠普发展公司，有限责任合伙企业 逻辑电路系统封装
KR20210087980A (ko) 2018-12-03 2021-07-13 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 로직 회로
US11338586B2 (en) 2018-12-03 2022-05-24 Hewlett-Packard Development Company, L.P. Logic circuitry
WO2021080607A1 (en) 2019-10-25 2021-04-29 Hewlett-Packard Development Company, L.P. Logic circuitry package
CN109600126B (zh) * 2018-12-06 2023-02-28 中国科学院微电子研究所 一种时钟发生器
CN112797882A (zh) * 2021-01-25 2021-05-14 无锡广联数字传感科技有限公司 一种防水型电子卡尺控制芯片

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US4646030A (en) * 1986-03-03 1987-02-24 Tektronix, Inc. Triggered frequency locked oscillator having programmable delay circuit
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US5126692A (en) * 1987-08-03 1992-06-30 Western Digital Corporation Variable frequency system having linear combination of charge pump and voltage controlled oscillator
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US5241429A (en) * 1989-03-03 1993-08-31 Seagate Technology, Inc. Adaptive prewrite compensation apparatus and method
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US4998075A (en) * 1989-10-26 1991-03-05 Western Digital Corporation Programmable multiple oscillator circuit
US5045811A (en) * 1990-02-02 1991-09-03 Seagate Technology, Inc. Tuned ring oscillator
DE4004195C2 (de) * 1990-02-12 1996-10-02 Broadcast Television Syst Schaltungsanordnung zur Erzeugung eines mit einem Referenzsignal verkoppelten Signals
US5255136A (en) * 1990-08-17 1993-10-19 Quantum Corporation High capacity submicro-winchester fixed disk drive
US5061907A (en) * 1991-01-17 1991-10-29 National Semiconductor Corporation High frequency CMOS VCO with gain constant and duty cycle compensation
US5136260A (en) * 1991-03-08 1992-08-04 Western Digital Corporation PLL clock synthesizer using current controlled ring oscillator
JPH04351008A (ja) * 1991-05-28 1992-12-04 Sony Corp ディジタルｖｃｏ
US5208557A (en) * 1992-02-18 1993-05-04 Texas Instruments Incorporated Multiple frequency ring oscillator
US5191301A (en) * 1992-05-12 1993-03-02 International Business Machines Corporation Integrated differential voltage controlled ring oscillator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10003532C1 (de) * 2000-01-27 2001-08-16 Siemens Ag Taktgenerator

Also Published As

Publication number Publication date
EP0687064B1 (de) 1998-07-01
JPH0879060A (ja) 1996-03-22
DE69503192D1 (de) 1998-08-06
US5471176A (en) 1995-11-28
EP0687064A1 (de) 1995-12-13
KR960003108A (ko) 1996-01-26

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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