DE69926001D1 - Kristalloszillator mit gesteuertem tastverhältnis - Google Patents

Kristalloszillator mit gesteuertem tastverhältnis

Info

Publication number
DE69926001D1
DE69926001D1 DE69926001T DE69926001T DE69926001D1 DE 69926001 D1 DE69926001 D1 DE 69926001D1 DE 69926001 T DE69926001 T DE 69926001T DE 69926001 T DE69926001 T DE 69926001T DE 69926001 D1 DE69926001 D1 DE 69926001D1
Authority
DE
Germany
Prior art keywords
crystal oscillator
controlled key
key ratio
ratio
controlled
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
DE69926001T
Other languages
English (en)
Other versions
DE69926001T2 (de
Inventor
M Stanchak
J Seymour
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.)
Atmel Corp
Original Assignee
Atmel 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 Atmel Corp filed Critical Atmel Corp
Publication of DE69926001D1 publication Critical patent/DE69926001D1/de
Application granted granted Critical
Publication of DE69926001T2 publication Critical patent/DE69926001T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B1/00—Details
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/017—Adjustment of width or dutycycle of pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
    • 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
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits
    • 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
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0233—Bistable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
    • H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
DE69926001T 1998-04-29 1999-04-12 Kristalloszillator mit gesteuertem tastverhältnis Expired - Fee Related DE69926001T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/069,696 US6028491A (en) 1998-04-29 1998-04-29 Crystal oscillator with controlled duty cycle
US69696 1998-04-29
PCT/US1999/007966 WO1999056385A1 (en) 1998-04-29 1999-04-12 Crystal oscillator with controlled duty cycle

Publications (2)

Publication Number Publication Date
DE69926001D1 true DE69926001D1 (de) 2005-08-04
DE69926001T2 DE69926001T2 (de) 2006-05-04

Family

ID=22090638

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926001T Expired - Fee Related DE69926001T2 (de) 1998-04-29 1999-04-12 Kristalloszillator mit gesteuertem tastverhältnis

Country Status (12)

Country Link
US (1) US6028491A (de)
EP (1) EP1090455B1 (de)
JP (1) JP2002513232A (de)
KR (1) KR20010043081A (de)
CN (1) CN1151599C (de)
CA (1) CA2321065A1 (de)
DE (1) DE69926001T2 (de)
HK (1) HK1035267A1 (de)
MY (1) MY133754A (de)
NO (1) NO20005467D0 (de)
TW (1) TW441163B (de)
WO (1) WO1999056385A1 (de)

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US6407603B2 (en) * 1999-09-20 2002-06-18 Lockheed Martin Corporation Analog voltage isolation circuit
KR100345074B1 (ko) * 1999-12-16 2002-07-20 주식회사 하이닉스반도체 딜레이 록 루프의 듀티 사이클 보정 회로
JP4214649B2 (ja) * 2000-02-08 2009-01-28 ソニー株式会社 電源装置およびパルス発生装置
US6313712B1 (en) * 2000-06-13 2001-11-06 International Business Machines Corporation Low power crystal oscillator having improved long term and short term stability
US6320438B1 (en) 2000-08-17 2001-11-20 Pericom Semiconductor Corp. Duty-cycle correction driver with dual-filter feedback loop
US6509771B1 (en) 2001-12-14 2003-01-21 International Business Machines Corporation Enhanced operational frequency for a precise and programmable duty cycle generator
US6593789B2 (en) 2001-12-14 2003-07-15 International Business Machines Corporation Precise and programmable duty cycle generator
US6577202B1 (en) 2001-12-14 2003-06-10 International Business Machines Corporation Multiple duty cycle tap points for a precise and programmable duty cycle generator
US6603339B2 (en) 2001-12-14 2003-08-05 International Business Machines Corporation Precision aligned multiple concurrent duty cycles from a programmable duty cycle generator
US6583657B1 (en) * 2002-06-20 2003-06-24 International Business Machines Corporation Single-edge clock adjustment circuits for PLL-compatible, dynamic duty-cycle correction circuits
FR2852465B1 (fr) * 2003-03-13 2005-04-29 Suisse Electronique Microtech Generateur d'horloge
US7141910B2 (en) * 2003-03-31 2006-11-28 Suren Systems, Ltd. Transconductance circuit for piezoelectric transducer
US7352107B2 (en) * 2003-03-31 2008-04-01 Suren Systems, Ltd. Transconductance circuit for piezoelectric transducer
US7042134B2 (en) * 2003-03-31 2006-05-09 Suren Systems, Ltd. Transconductance circuit for piezoelectric transducer
US7622845B2 (en) 2003-03-31 2009-11-24 Suren Systems, Ltd. Piezoelectric transducer signal processing circuit
US7057434B1 (en) * 2003-05-06 2006-06-06 Cypress Semiconductor, Corp. Circuit and method to eliminate startup and shutoff runt pulses from crystal oscillators
JP2005050123A (ja) * 2003-07-28 2005-02-24 Nec Micro Systems Ltd スキュー補正回路
RU2390882C2 (ru) * 2004-03-30 2010-05-27 Сарен Системз, Лтд. Межэлектродная схема для пьезоэлектрического измерительного преобразователя
US7002422B1 (en) 2004-04-01 2006-02-21 Pericom Semiconductor Corp. Current-mirrored crystal-oscillator circuit without feedback to reduce power consumption
EP1638203A1 (de) * 2004-09-21 2006-03-22 Dialog Semiconductor GmbH Oszillator mit geregeltem Tastverhältnis
US7466167B2 (en) * 2004-10-20 2008-12-16 Nxp B.V. Driver circuit for reducing the effects of disturbances on the duty cycle of a digital signal on a bus conductor
US20060115016A1 (en) * 2004-11-12 2006-06-01 Ati Technologies Inc. Methods and apparatus for transmitting and receiving data signals
US20060223455A1 (en) * 2005-03-31 2006-10-05 Silicon Laboratories Inc. System and method for wireless communication using low-pulling digital interface signals
WO2007087766A1 (de) * 2006-02-01 2007-08-09 Siemens Aktiengesellschaft Anordnung und verfahren zum umwandeln eines digitalen signals mit einem hohen spannungshub in ein digitales signal mit einem demgegenüber kleineren spannungshub
DE102006011448B4 (de) 2006-03-13 2013-08-01 Austriamicrosystems Ag Schaltungsanordnung und Verfahren zum Bereitstellen eines Taktsignals mit einem einstellbaren Tastverhältnis
JP2008177748A (ja) * 2007-01-17 2008-07-31 Oki Electric Ind Co Ltd 高周波信号検出回路
DE102007018336A1 (de) * 2007-04-18 2008-10-23 Texas Instruments Deutschland Gmbh 32-kHz-Niedrigleistungsoszillator
US7898278B2 (en) * 2007-11-05 2011-03-01 Arm Limited Power control circuitry, circuitry for analysing a switched power rail, and method of controlling connection of a power source to a switched power rail
US7821315B2 (en) * 2007-11-08 2010-10-26 Qualcomm Incorporated Adjustable duty cycle circuit
JP5311545B2 (ja) * 2008-05-27 2013-10-09 京セラクリスタルデバイス株式会社 発振器
JP2009290380A (ja) * 2008-05-27 2009-12-10 Kyocera Kinseki Corp 発振器
JP5208581B2 (ja) * 2008-05-27 2013-06-12 京セラクリスタルデバイス株式会社 発振器
DE102008029948B4 (de) * 2008-06-26 2018-08-30 Phoenix Contact Gmbh & Co. Kg Überwachungssystem
EP2437134B1 (de) * 2010-10-01 2013-07-31 STMicroelectronics (Rousset) SAS Treiber mit geringer elektromagnetischer Emission
ITMI20111196A1 (it) * 2011-06-29 2012-12-30 St Microelectronics Srl Metodo di regolazione di un ritardo di timeout introdotto all'avvio di un sistema digitale per assicurare la prontezza di un oscillatore master a cristallo regolato in ampiezza e circuito che lo implementa
JP5977069B2 (ja) * 2011-07-08 2016-08-24 日本電波工業株式会社 恒温槽付水晶発振器の温度制御回路
US8648639B2 (en) * 2011-10-20 2014-02-11 Via Technologies, Inc. Duty adjustment circuits and signal generation devices using the same
US9270171B2 (en) * 2012-08-22 2016-02-23 Allegro Microsystems, Llc Methods and apparatus for DC-DC converter having dithered slope compensation
CN103117705A (zh) * 2012-11-13 2013-05-22 长沙景嘉微电子股份有限公司 一种稳定快速的晶振起振电路
CN104184422A (zh) * 2013-05-21 2014-12-03 无锡华润矽科微电子有限公司 晶体振荡器驱动放大器电路及相应的晶体振荡器电路
US9379722B2 (en) * 2013-06-25 2016-06-28 Qualcomm Incorporated Frequency divider with duty cycle adjustment within feedback loop
KR20160076200A (ko) * 2014-12-22 2016-06-30 에스케이하이닉스 주식회사 듀티 싸이클 검출 회로 및 방법
US9362894B1 (en) 2015-05-04 2016-06-07 Freescale Semiconductor, Inc. Clock generator circuit
US10483913B2 (en) * 2017-07-13 2019-11-19 Qualcomm Incorporated Low power crystal oscillator
CN107959476B (zh) * 2018-01-04 2024-04-19 湖南融创微电子有限公司 低功耗电流饥饿型振荡器电路
KR102527386B1 (ko) * 2018-07-13 2023-04-28 삼성전자주식회사 전류 미러를 포함하는 디지털 제어 오실레이터

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Publication number Priority date Publication date Assignee Title
US4152675A (en) * 1978-04-03 1979-05-01 Motorola, Inc. Crystal oscillator with adjustable duty cycle
JPS59100604A (ja) * 1982-11-30 1984-06-09 Sony Corp 発振器
US5081429A (en) * 1991-03-29 1992-01-14 Codex Corp. Voltage controlled oscillator with controlled load
US5081428A (en) * 1991-03-29 1992-01-14 Codex Corp. Voltage controlled oscillator having 50% duty cycle clock
US5349311A (en) * 1992-11-23 1994-09-20 National Semiconductor Corporation Current starved inverter voltage controlled oscillator
JPH0766693A (ja) * 1993-08-24 1995-03-10 Sony Corp リングオシレータ型ｖｃｏ
US5481228A (en) * 1993-10-15 1996-01-02 Hewlett-Packard Corporation Method and apparatus for controlling oscillator duty cycle
US5477180A (en) * 1994-10-11 1995-12-19 At&T Global Information Solutions Company Circuit and method for generating a clock signal
US5546055A (en) * 1995-08-24 1996-08-13 Dallas Semiconductor Corp. Crystal oscillator bias stabilizer
US5907254A (en) * 1996-02-05 1999-05-25 Chang; Theodore H. Reshaping periodic waveforms to a selected duty cycle

Also Published As

Publication number Publication date
CN1151599C (zh) 2004-05-26
MY133754A (en) 2007-11-30
TW441163B (en) 2001-06-16
NO20005467L (no) 2000-10-30
CN1299530A (zh) 2001-06-13
EP1090455B1 (de) 2005-06-29
CA2321065A1 (en) 1999-11-04
DE69926001T2 (de) 2006-05-04
US6028491A (en) 2000-02-22
EP1090455A4 (de) 2003-05-14
NO20005467D0 (no) 2000-10-30
HK1035267A1 (en) 2001-11-16
EP1090455A1 (de) 2001-04-11
KR20010043081A (ko) 2001-05-25
JP2002513232A (ja) 2002-05-08
WO1999056385A1 (en) 1999-11-04

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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