ATE315846T1 - Oszillatorschaltung mit hoher geschwindigkeit und niedrigem zittern - Google Patents

Oszillatorschaltung mit hoher geschwindigkeit und niedrigem zittern

Info

Publication number
ATE315846T1
ATE315846T1 AT02008038T AT02008038T ATE315846T1 AT E315846 T1 ATE315846 T1 AT E315846T1 AT 02008038 T AT02008038 T AT 02008038T AT 02008038 T AT02008038 T AT 02008038T AT E315846 T1 ATE315846 T1 AT E315846T1
Authority
AT
Austria
Prior art keywords
clock signal
oscillator
oscillator circuit
low
juzle
Prior art date
Application number
AT02008038T
Other languages
English (en)
Inventor
Wei Yang
Frederick E Sykes
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 ATE315846T1 publication Critical patent/ATE315846T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
AT02008038T 2001-04-12 2002-04-10 Oszillatorschaltung mit hoher geschwindigkeit und niedrigem zittern ATE315846T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE315846T1 true ATE315846T1 (de) 2006-02-15

Family

ID=25264261

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02008038T ATE315846T1 (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)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7082293B1 (en) * 1999-10-21 2006-07-25 Broadcom Corporation Adaptive radio transceiver with CMOS offset PLL
EP1251355B1 (de) * 2001-04-18 2007-12-05 Gennum Corporation Digitaler Quasi-Mittelwertdetektor
DE60209161T2 (de) 2001-04-18 2006-10-05 Gennum Corp., Burlington Mehrkanal Hörgerät mit Übertragungsmöglichkeiten zwischen den Kanälen
US6784755B2 (en) * 2002-03-28 2004-08-31 Texas Instruments Incorporated Compact, high power supply rejection ratio, low power semiconductor digitally controlled oscillator architecture
WO2004051841A1 (en) * 2002-11-29 2004-06-17 Infineon Technologies Ag Current-controlled oscillator
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
US7015742B2 (en) * 2003-06-20 2006-03-21 Media Tek Inc. Switched capacitor circuit capable of eliminating clock feedthrough by complementary control signals for digital tuning VCO
US7057466B2 (en) * 2004-03-31 2006-06-06 Broadcom Corporation Varactor-based ring oscillator
KR20060060158A (ko) * 2004-11-30 2006-06-05 삼성전자주식회사 주파수 검출기를 이용하여 커패시턴스를 가변시키는 전압제어 발진기 및 위상 고정 루프
WO2006094985A1 (en) * 2005-03-09 2006-09-14 Texas Instruments Deutschland Gmbh Oscillator
US20070052483A1 (en) * 2005-03-09 2007-03-08 Markus Dietl Oscillator
JPWO2007072551A1 (ja) * 2005-12-20 2009-05-28 富士通株式会社 電圧制御リングオシレータ
US20070152763A1 (en) * 2005-12-30 2007-07-05 Mozhgan Mansuri Voltage controlled oscillator
US7629856B2 (en) * 2006-10-27 2009-12-08 Infineon Technologies Ag Delay stage, ring oscillator, PLL-circuit and method
DE102007001538B4 (de) * 2007-01-10 2015-02-12 Siemens Audiologische Technik Gmbh Hörvorrichtung mit automatischer Selbsttrimmung und entsprechendes Verfahren
US8208665B2 (en) 2007-01-10 2012-06-26 Siemens Audiologische Technik Gmbh Hearing apparatus with automatic self trimming and corresponding method
US20080211590A1 (en) * 2007-03-01 2008-09-04 Stephen Wu Method and system for a varactor-tuned voltage-controlled ring oscillator with frequency and amplitude calibration
US20080253491A1 (en) * 2007-04-13 2008-10-16 Georgia Tech Research Corporation Method and Apparatus for Reducing Jitter in Multi-Gigahertz Systems
US20090224843A1 (en) * 2008-03-10 2009-09-10 Catalyst Semiconductor, Inc. Programmable Crystal Oscillator
DE102008014991B3 (de) * 2008-03-19 2009-03-12 Job Lizenz Gmbh & Co. Kg Verfahren und Warnmelder, insbesondere Rauchmelder
US8031011B2 (en) * 2008-06-27 2011-10-04 Altera Corporation Digitally controlled oscillators
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
CN104956601A (zh) 2013-02-07 2015-09-30 唯听助听器公司 用于助听器的收发器和操作这种收发器的方法
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

Family Cites Families (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592168A (en) 1976-11-29 1981-07-01 Oticon Electronics As Hearing aids
DE2658301C2 (de) 1976-12-22 1978-12-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Hörgerät
DE2716336B1 (de) 1977-04-13 1978-07-06 Siemens Ag Verfahren und Hoergeraet zur Kompensation von Gehoerdefekten
DE2908999C2 (de) 1979-03-08 1982-06-09 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Erzeugung von akustischen Sprachsignalen, die für äußerst Schwerhörige verständlich sind und Gerät zur Durchführung dieses Verfahrens
US4403118A (en) 1980-04-25 1983-09-06 Siemens Aktiengesellschaft Method for generating acoustical speech signals which can be understood by persons extremely hard of hearing and a device for the implementation of said method
DE3131193A1 (de) 1981-08-06 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Geraet zur kompensation von gehoerschaeden
DK546581A (da) 1981-12-10 1983-06-11 Danavox As Fremgangsmaade til tilpasning af overfoeringsfunktionen i et hoereapparat til forskellige hoeredefekter samt hoereapparat til udoevelse af fremgangsmaaden
DE3205685A1 (de) 1982-02-17 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Hoergeraet
DE3205686A1 (de) 1982-02-17 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Hoergeraet
US4689818A (en) 1983-04-28 1987-08-25 Siemens Hearing Instruments, Inc. Resonant peak control
US4592087B1 (en) 1983-12-08 1996-08-13 Knowles Electronics Inc Class D hearing aid amplifier
US4696032A (en) 1985-02-26 1987-09-22 Siemens Corporate Research & Support, Inc. Voice switched gain system
DE8529437U1 (de) 1985-10-16 1987-06-11 Siemens AG, 1000 Berlin und 8000 München Richtmikrofon
EP0219025B1 (de) 1985-10-16 1990-06-13 Siemens Aktiengesellschaft Hörgerät
US5029217A (en) 1986-01-21 1991-07-02 Harold Antin Digital hearing enhancement apparatus
US4947432B1 (en) 1986-02-03 1993-03-09 Programmable hearing aid
US4750207A (en) 1986-03-31 1988-06-07 Siemens Hearing Instruments, Inc. Hearing aid noise suppression system
DE3734946A1 (de) 1987-10-15 1989-05-03 Siemens Ag Hoergeraet mit moeglichkeit zum telefonieren
US4887299A (en) 1987-11-12 1989-12-12 Nicolet Instrument Corporation Adaptive, programmable signal processing hearing aid
DE3802903A1 (de) 1988-02-01 1989-08-10 Siemens Ag Einrichtung zur uebertragung von sprache
US4852175A (en) 1988-02-03 1989-07-25 Siemens Hearing Instr Inc Hearing aid signal-processing system
US4882762A (en) 1988-02-23 1989-11-21 Resound Corporation Multi-band programmable compression system
US5111419A (en) 1988-03-23 1992-05-05 Central Institute For The Deaf Electronic filters, signal conversion apparatus, hearing aids and methods
US4989251A (en) 1988-05-10 1991-01-29 Diaphon Development Ab Hearing aid programming interface and method
US4868880A (en) 1988-06-01 1989-09-19 Yale University Method and device for compensating for partial hearing loss
DE3834962A1 (de) 1988-10-13 1990-04-19 Siemens Ag Digitales programmiergeraet fuer hoergeraete
DE3900588A1 (de) 1989-01-11 1990-07-19 Toepholm & Westermann Fernsteuerbares, programmierbares hoergeraetesystem
JPH02192300A (ja) 1989-01-19 1990-07-30 Citizen Watch Co Ltd 補聴器のディジタル利得制御回路
US4947433A (en) 1989-03-29 1990-08-07 Siemens Hearing Instruments, Inc. Circuit for use in programmable hearing aids
DK164349C (da) 1989-08-22 1992-11-02 Oticon As Hoereapparat med tilbagekoblingskompensation
NO169689C (no) 1989-11-30 1992-07-22 Nha As Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme.
ATE118928T1 (de) 1990-07-25 1995-03-15 Siemens Audiologische Technik Hörgeräteschaltung mit einer endstufe mit einer begrenzungseinrichtung.
EP0480097B1 (de) 1990-10-12 1994-12-21 Siemens Audiologische Technik GmbH Hörgerät mit einem Datenspeicher
DE69120924T2 (de) 1991-01-15 1997-01-30 Ibm Sigma-Delta Wandler
US5278912A (en) 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
US5247581A (en) 1991-09-27 1993-09-21 Exar Corporation Class-d bicmos hearing aid output amplifier
US5389829A (en) 1991-09-27 1995-02-14 Exar Corporation Output limiter for class-D BICMOS hearing aid output amplifier
US5347587A (en) 1991-11-20 1994-09-13 Sharp Kabushiki Kaisha Speaker driving device
DK0557847T3 (da) 1992-02-27 1996-05-20 Siemens Audiologische Technik På hovedet bærbart høreapparat
US5241310A (en) 1992-03-02 1993-08-31 General Electric Company Wide dynamic range delta sigma analog-to-digital converter with precise gain tracking
US5191301A (en) * 1992-05-12 1993-03-02 International Business Machines Corporation Integrated differential voltage controlled ring oscillator
US5448644A (en) 1992-06-29 1995-09-05 Siemens Audiologische Technik Gmbh Hearing aid
EP0576701B1 (de) 1992-06-29 1996-01-03 Siemens Audiologische Technik GmbH Hörgerät
EP0597523B1 (de) 1992-11-09 1997-07-23 Koninklijke Philips Electronics N.V. Digital-/Analogwandler
DE4321788C1 (de) 1993-06-30 1994-08-18 Siemens Audiologische Technik Interface für serielle Datenübertragung zwischen einem Hörgerät und einem Steuergerät
US5376892A (en) 1993-07-26 1994-12-27 Texas Instruments Incorporated Sigma delta saturation detector and soft resetting circuit
US5608803A (en) 1993-08-05 1997-03-04 The University Of New Mexico Programmable digital hearing aid
US5412734A (en) 1993-09-13 1995-05-02 Thomasson; Samuel L. Apparatus and method for reducing acoustic feedback
US5479522A (en) 1993-09-17 1995-12-26 Audiologic, Inc. Binaural hearing aid
US5651071A (en) 1993-09-17 1997-07-22 Audiologic, Inc. Noise reduction system for binaural hearing aid
EP0585976A3 (en) 1993-11-10 1994-06-01 Phonak Ag Hearing aid with cancellation of acoustic feedback
DE4340817A1 (de) 1993-12-01 1995-06-08 Toepholm & Westermann Schaltungsanordnung für die automatische Regelung von Hörhilfsgeräten
EP0674464A1 (de) 1994-03-23 1995-09-27 Siemens Audiologische Technik GmbH Programmierbares Hörgerät mit Fuzzy-Logik-Controller
EP0674463A1 (de) 1994-03-23 1995-09-27 Siemens Audiologische Technik GmbH Programmierbares Hörgerät
EP0676909A1 (de) 1994-03-31 1995-10-11 Siemens Audiologische Technik GmbH Programmierbares Hörgerät
DK0681411T3 (da) 1994-05-06 2003-05-19 Siemens Audiologische Technik Programmerbart høreapparat
US5500902A (en) 1994-07-08 1996-03-19 Stockham, Jr.; Thomas G. Hearing aid device incorporating signal processing techniques
EP0712261A1 (de) 1994-11-10 1996-05-15 Siemens Audiologische Technik GmbH Programmierbares Hörgerät
DE4441996A1 (de) 1994-11-26 1996-05-30 Toepholm & Westermann Hörhilfsgerät
US5561398A (en) * 1995-05-16 1996-10-01 National Semiconductor Corporation LC-tuned voltage controlled ring oscillator
JP3862306B2 (ja) * 1995-06-23 2006-12-27 三菱電機株式会社 半導体装置
US5862238A (en) 1995-09-11 1999-01-19 Starkey Laboratories, Inc. Hearing aid having input and output gain compression circuits
EP0855129A1 (de) 1995-10-10 1998-07-29 AudioLogic, Incorporated Digitales signalverarbeitendes hörgerät mit verarbeitungsstrategiewahl
DE19545760C1 (de) 1995-12-07 1997-02-20 Siemens Audiologische Technik Digitales Hörgerät
DE19611026C2 (de) 1996-03-20 2001-09-20 Siemens Audiologische Technik Klirrunterdrückung bei Hörgeräten mit AGC
EP0798947A1 (de) 1996-03-27 1997-10-01 Siemens Audiologische Technik GmbH Verfahren und Schaltung zur Verarbeitung von Daten, insbesondere Signaldaten in einem digitalen programmierbaren Hörgerät
US5719528A (en) 1996-04-23 1998-02-17 Phonak Ag Hearing aid device
US6108431A (en) 1996-05-01 2000-08-22 Phonak Ag Loudness limiter
DE29608215U1 (de) 1996-05-06 1996-08-01 Siemens Audiologische Technik Gmbh, 91058 Erlangen Elektrisches Hörhilfegerät
US5815102A (en) 1996-06-12 1998-09-29 Audiologic, Incorporated Delta sigma pwm dac to reduce switching
EP0814636A1 (de) 1996-06-21 1997-12-29 Siemens Audiologische Technik GmbH Hörgerät
DE59609755D1 (de) 1996-06-21 2002-11-07 Siemens Audiologische Technik Hörgerät
US5896101A (en) 1996-09-16 1999-04-20 Audiologic Hearing Systems, L.P. Wide dynamic range delta sigma A/D converter
EP0845921A1 (de) 1996-10-23 1998-06-03 Siemens Audiologische Technik GmbH Verfahren und Schaltung zur Verstärkungsregelung in digitalen Hörgeräten
JP2904272B2 (ja) 1996-12-10 1999-06-14 日本電気株式会社 ディジタル補聴器、及びその補聴処理方法
US6044162A (en) 1996-12-20 2000-03-28 Sonic Innovations, Inc. Digital hearing aid using differential signal representations
DE19703228B4 (de) 1997-01-29 2006-08-03 Siemens Audiologische Technik Gmbh Verfahren zur Verstärkung von Eingangssignalen eines Hörgerätes sowie Schaltung zur Durchführung des Verfahrens
US6240192B1 (en) 1997-04-16 2001-05-29 Dspfactory Ltd. Apparatus for and method of filtering in an digital hearing aid, including an application specific integrated circuit and a programmable digital signal processor
US6236731B1 (en) 1997-04-16 2001-05-22 Dspfactory Ltd. Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signal in hearing aids
DE19720651C2 (de) 1997-05-16 2001-07-12 Siemens Audiologische Technik Hörgerät mit verschiedenen Baugruppen zur Aufnahme, Weiterverarbeitung sowie Anpassung eines Schallsignals an das Hörvermögen eines Schwerhörigen
US6049618A (en) 1997-06-30 2000-04-11 Siemens Hearing Instruments, Inc. Hearing aid having input AGC and output AGC
DK0917398T3 (da) 1997-11-12 2007-09-03 Siemens Audiologische Technik Höreapparat og fremgangsmåde til indstilling af audiologiske/akustiske parametre
US6222423B1 (en) * 1999-02-03 2001-04-24 Micro Linear Corporation Voltage controlled ring oscillator delay
CA2380396C (en) 1999-08-03 2003-05-20 Widex A/S Hearing aid with adaptive matching of microphones
US6369661B1 (en) * 2000-11-20 2002-04-09 Cirrus Logic, Inc. Phase interpolation circuits and methods and systems using the same

Also Published As

Publication number Publication date
US20040075505A1 (en) 2004-04-22
US6633202B2 (en) 2003-10-14
CA2381105A1 (en) 2002-10-12
US7031482B2 (en) 2006-04-18
DK1267491T3 (da) 2006-05-29
DE60208601T2 (de) 2006-11-09
EP1267491B1 (de) 2006-01-11
ES2256350T3 (es) 2006-07-16
EP1267491A2 (de) 2002-12-18
DE60208601D1 (de) 2006-04-06
US20020167363A1 (en) 2002-11-14
EP1267491A3 (de) 2004-04-28

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