DE60208601D1 - Oszillatorschaltung mit hoher Geschwindigkeit und niedrigem Zittern - Google Patents

Oszillatorschaltung mit hoher Geschwindigkeit und niedrigem Zittern

Info

Publication number
DE60208601D1
DE60208601D1 DE60208601T DE60208601T DE60208601D1 DE 60208601 D1 DE60208601 D1 DE 60208601D1 DE 60208601 T DE60208601 T DE 60208601T DE 60208601 T DE60208601 T DE 60208601T DE 60208601 D1 DE60208601 D1 DE 60208601D1
Authority
DE
Germany
Prior art keywords
clock signal
oscillator
oscillator circuit
low jitter
high speed
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 - Lifetime
Application number
DE60208601T
Other languages
English (en)
Other versions
DE60208601T2 (de
Inventor
Wei Yang
Frederick E Sykes
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.)
Gennum Corp
Original Assignee
Gennum 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 Gennum Corp filed Critical Gennum Corp
Application granted granted Critical
Publication of DE60208601D1 publication Critical patent/DE60208601D1/de
Publication of DE60208601T2 publication Critical patent/DE60208601T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • 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
    • H03K3/027—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
    • H03K3/0322—Ring oscillators with differential cells
    • 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
    • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • H03K5/133—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals using a chain of active delay devices
    • 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
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/00019—Variable delay
    • H03K2005/00058—Variable delay controlled by a digital setting
    • H03K2005/00071—Variable delay controlled by a digital setting by adding capacitance as a load
    • 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
    • H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
    • H03K2005/0015—Layout of the delay element
    • H03K2005/00195—Layout of the delay element using FET's
    • H03K2005/00208—Layout of the delay element using FET's using differential stages
DE60208601T 2001-04-12 2002-04-10 Oszillatorschaltung mit hoher Geschwindigkeit und niedrigem Zittern Expired - Lifetime DE60208601T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US833376 2001-04-12
US09/833,376 US6633202B2 (en) 2001-04-12 2001-04-12 Precision low jitter oscillator circuit

Publications (2)

Publication Number Publication Date
DE60208601D1 true DE60208601D1 (de) 2006-04-06
DE60208601T2 DE60208601T2 (de) 2006-11-09

Family

ID=25264261

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60208601T Expired - Lifetime DE60208601T2 (de) 2001-04-12 2002-04-10 Oszillatorschaltung mit hoher Geschwindigkeit und niedrigem Zittern

Country Status (7)

Country Link
US (2) US6633202B2 (de)
EP (1) EP1267491B1 (de)
AT (1) ATE315846T1 (de)
CA (1) CA2381105A1 (de)
DE (1) DE60208601T2 (de)
DK (1) DK1267491T3 (de)
ES (1) ES2256350T3 (de)

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CN100559699C (zh) * 2002-11-29 2009-11-11 因芬奈昂技术股份有限公司 电流控制的振荡器
US20040246039A1 (en) * 2003-06-03 2004-12-09 Chi-Ming Hsiao Switched capacitor circuit capable of minimizing clock feedthrough effect in a voltage controlled oscillator circuit
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US7057466B2 (en) * 2004-03-31 2006-06-06 Broadcom Corporation Varactor-based ring oscillator
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KR100965766B1 (ko) * 2008-06-30 2010-06-24 주식회사 하이닉스반도체 링 오실레이터와 이를 이용한 멀티 위상 클럭 보정 회로
JP2011024039A (ja) * 2009-07-16 2011-02-03 Toshiba Corp 局部発振器
DK2721840T3 (en) * 2011-06-17 2019-03-18 Widex As HEARING WITH A WIRELESS TRANSCEIVER AND PROCEDURE FOR ADAPTING A HEARING
US8975977B2 (en) * 2012-05-08 2015-03-10 Mohammad Ardehali Low noise and low power voltage controlled oscillators
WO2014121837A1 (en) 2013-02-07 2014-08-14 Widex A/S A transceiver for a hearing aid and a method for operating such a transceiver
US9232322B2 (en) * 2014-02-03 2016-01-05 Zhimin FANG Hearing aid devices with reduced background and feedback noises
US20190215000A1 (en) * 2018-01-11 2019-07-11 Qualcomm Incorporated Ring oscillator topology based on resistor array
CN108847843B (zh) * 2018-05-23 2022-04-15 东南大学 一种基于电阻增强型前馈的正交环形振荡器
CN110784193A (zh) * 2019-09-17 2020-02-11 芯创智（北京）微电子有限公司 一种蛙跳式快速环形振荡器电路
US11480992B1 (en) 2021-01-21 2022-10-25 Qualcomm Incorporated Techniques for phase shift reduction in a single crystal multiple output clock system

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Also Published As

Publication number Publication date
EP1267491A2 (de) 2002-12-18
US7031482B2 (en) 2006-04-18
DE60208601T2 (de) 2006-11-09
US20020167363A1 (en) 2002-11-14
US6633202B2 (en) 2003-10-14
EP1267491A3 (de) 2004-04-28
CA2381105A1 (en) 2002-10-12
DK1267491T3 (da) 2006-05-29
US20040075505A1 (en) 2004-04-22
ATE315846T1 (de) 2006-02-15
ES2256350T3 (es) 2006-07-16
EP1267491B1 (de) 2006-01-11

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