BR9607524A - Aparelho e processo para modulação de um sinal - Google Patents

Aparelho e processo para modulação de um sinal

Info

Publication number
BR9607524A
BR9607524A BR9607524A BR9607524A BR9607524A BR 9607524 A BR9607524 A BR 9607524A BR 9607524 A BR9607524 A BR 9607524A BR 9607524 A BR9607524 A BR 9607524A BR 9607524 A BR9607524 A BR 9607524A
Authority
BR
Brazil
Prior art keywords
modulating
signal
Prior art date
Application number
BR9607524A
Other languages
English (en)
Inventor
Heino Wendelrup
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9607524A publication Critical patent/BR9607524A/pt

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
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • 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
    • H03K5/131—Digitally controlled
    • 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
    • H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
    • H03K5/15013—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs
    • H03K5/15026—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with asynchronously driven series connected output stages
    • H03K5/1504—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with more than two outputs with asynchronously driven series connected output stages using a chain of active delay devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
BR9607524A 1995-02-16 1996-02-16 Aparelho e processo para modulação de um sinal BR9607524A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38940695A 1995-02-16 1995-02-16
PCT/SE1996/000214 WO1996025795A1 (en) 1995-02-16 1996-02-16 A fast sigma-delta modulator having a controlled clock generator

Publications (1)

Publication Number Publication Date
BR9607524A true BR9607524A (pt) 1997-12-30

Family

ID=23538133

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9607524A BR9607524A (pt) 1995-02-16 1996-02-16 Aparelho e processo para modulação de um sinal

Country Status (6)

Country Link
US (1) US5796360A (pt)
EP (1) EP0809886A1 (pt)
CN (1) CN1093995C (pt)
AU (1) AU4852696A (pt)
BR (1) BR9607524A (pt)
WO (1) WO1996025795A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10040422C2 (de) 2000-08-18 2002-09-19 Infineon Technologies Ag Schaltungsanordnung und Verfahren in switched operational amplifier Technik
JP3622685B2 (ja) * 2000-10-19 2005-02-23 セイコーエプソン株式会社 サンプリングクロック生成回路、データ転送制御装置及び電子機器
WO2004105251A1 (en) * 2003-05-21 2004-12-02 Analog Devices, Inc. A sigma-delta modulator with reduced switching rate for use in class-d amplification
GB0411884D0 (en) * 2004-05-28 2004-06-30 Koninkl Philips Electronics Nv Bitstream controlled reference signal generation for a sigma-delta modulator
US7612595B2 (en) * 2006-09-19 2009-11-03 Melexis Tessenderlo Nv Sequence independent non-overlapping digital signal generator with programmable delay
CN101867376B (zh) * 2009-04-17 2014-08-27 苏州亮智科技有限公司 时钟同步电路
JP4864145B2 (ja) * 2010-01-08 2012-02-01 富士通株式会社 Ａ／ｄコンバータ及びｄ／ａコンバータ
CN106411296A (zh) * 2015-07-30 2017-02-15 深圳市中兴微电子技术有限公司 一种时钟延时电路

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184027A (en) * 1987-03-20 1993-02-02 Hitachi, Ltd. Clock signal supply system
EP0335988B1 (de) * 1988-03-31 1992-12-23 Deutsche ITT Industries GmbH Schaltungsanordnung zur Mittelwertbildung bei der Pulsdichte-D/A- oder -A/D-Umsetzung
JP2629028B2 (ja) * 1988-08-10 1997-07-09 株式会社日立製作所 クロック信号供給方法および装置
US5087829A (en) * 1988-12-07 1992-02-11 Hitachi, Ltd. High speed clock distribution system
US5055843A (en) * 1990-01-31 1991-10-08 Analog Devices, Inc. Sigma delta modulator with distributed prefiltering and feedback
JPH05505287A (ja) * 1990-01-31 1993-08-05 アナログ・ディバイセス・インコーポレーテッド シグマデルタ変調器
EP0609967B1 (en) * 1990-06-29 1998-03-11 Analog Devices, Inc. Apparatus for detecting phase errors
KR920018771A (ko) * 1991-03-29 1992-10-22 가나이 쯔또무 반도체 집적 회로 및 데이타 처리 프로세서
US5140325A (en) * 1991-05-14 1992-08-18 Industrial Technology Research Institute Sigma-delta analog-to-digital converters based on switched-capacitor differentiators and delays
US5146121A (en) * 1991-10-24 1992-09-08 Northern Telecom Limited Signal delay apparatus employing a phase locked loop
US5436939A (en) * 1992-05-06 1995-07-25 3 Com Corporation Multi-phase clock generator and multiplier
US5349352A (en) * 1992-12-21 1994-09-20 Harris Corporation Analog-to-digital converter having high AC line noise rejection and insensitive to AC line frequency variations
US5398263A (en) * 1993-01-14 1995-03-14 Motorola, Inc. Autonomous pulse train timing controls for time-mark alignment
US5313205A (en) * 1993-04-06 1994-05-17 Analog Devices, Inc. Method for varying the interpolation ratio of a digital oversampling digital-to-analog converter system and apparatus therefor
US5408235A (en) * 1994-03-07 1995-04-18 Intel Corporation Second order Sigma-Delta based analog to digital converter having superior analog components and having a programmable comb filter coupled to the digital signal processor

Also Published As

Publication number Publication date
CN1181163A (zh) 1998-05-06
US5796360A (en) 1998-08-18
EP0809886A1 (en) 1997-12-03
CN1093995C (zh) 2002-11-06
AU4852696A (en) 1996-09-04
WO1996025795A1 (en) 1996-08-22

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B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.