DE60322471D1 - Dezimationssystem mit niedriger Leistung und Verfahren zu seiner Ableitung - Google Patents

Dezimationssystem mit niedriger Leistung und Verfahren zu seiner Ableitung

Info

Publication number
DE60322471D1
DE60322471D1 DE60322471T DE60322471T DE60322471D1 DE 60322471 D1 DE60322471 D1 DE 60322471D1 DE 60322471 T DE60322471 T DE 60322471T DE 60322471 T DE60322471 T DE 60322471T DE 60322471 D1 DE60322471 D1 DE 60322471D1
Authority
DE
Germany
Prior art keywords
derivation
low
decimation system
power
power decimation
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
DE60322471T
Other languages
English (en)
Inventor
Minsheng Wang
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.)
Broadcom Corp
Original Assignee
Broadcom 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 Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of DE60322471D1 publication Critical patent/DE60322471D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0273—Polyphase filters
    • H03H17/0277—Polyphase filters comprising recursive filters
    • H03H17/0279—Polyphase filters comprising recursive filters having two phases
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0664—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/0671—Cascaded integrator-comb [CIC] filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
DE60322471T 2002-03-27 2003-03-26 Dezimationssystem mit niedriger Leistung und Verfahren zu seiner Ableitung Expired - Lifetime DE60322471D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/106,549 US7010557B2 (en) 2002-03-27 2002-03-27 Low power decimation system and method of deriving same

Publications (1)

Publication Number Publication Date
DE60322471D1 true DE60322471D1 (de) 2008-09-11

Family

ID=28452515

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60322471T Expired - Lifetime DE60322471D1 (de) 2002-03-27 2003-03-26 Dezimationssystem mit niedriger Leistung und Verfahren zu seiner Ableitung

Country Status (3)

Country Link
US (1) US7010557B2 (de)
EP (1) EP1372264B1 (de)
DE (1) DE60322471D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7302459B2 (en) * 2003-01-21 2007-11-27 Lsi Corporation Method and apparatus for digital sample rate conversion
US7680869B2 (en) * 2005-03-30 2010-03-16 Stmicroelectronics Ltd. Interpolation and decimation using newton polyphase filters
CN100463457C (zh) * 2005-06-16 2009-02-18 中兴通讯股份有限公司 一种多个通道复接的级联积分梳状滤波器
DE102005043010A1 (de) * 2005-09-09 2007-03-15 Rohde & Schwarz Gmbh & Co. Kg Dezimierende Filterkaskade mit minimierter Einschwingzeit nach Reinitialisierung
DE102005043011A1 (de) * 2005-09-09 2007-03-15 Rohde & Schwarz Gmbh & Co. Kg Dezimierendes Filter und dezimierende Filterkaskade mit minimierter Einschwingzeit
DE102005050307A1 (de) * 2005-10-20 2007-04-26 Rohde & Schwarz Gmbh & Co. Kg Digitales Filter mit starrem Filterzustand während ungültiger Signalbereiche in einer digitalen Filterkaskade
US7612275B2 (en) * 2006-04-18 2009-11-03 Nokia Corporation Method, apparatus and computer program product for providing rhythm information from an audio signal
US7882095B2 (en) * 2006-05-30 2011-02-01 Microsoft Corporation Resource locators for widely distributed systems
US20100091829A1 (en) * 2007-03-28 2010-04-15 Nokia Corporation Optimised architecture for a downsampling fir filter
US8645441B2 (en) * 2007-08-01 2014-02-04 Pentomics, Inc. Desensitized filters
US8325865B1 (en) * 2011-07-31 2012-12-04 Broadcom Corporation Discrete digital receiver
US9391591B2 (en) * 2014-02-19 2016-07-12 Pentomics, Inc. Optimal factoring of FIR filters
CN104506471B (zh) * 2014-12-25 2018-07-06 中国电子科技集团公司第四十一研究所 多制式数字基带发生调制装置
CN107070434A (zh) * 2017-03-08 2017-08-18 湘潭芯力特电子科技有限公司 一种用于级联积分梳状滤波器的补偿滤波器
CN111404513A (zh) * 2020-03-26 2020-07-10 广州粒子微电子有限公司 一种cic抽取滤波器及其实现方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2258963B (en) 1991-08-23 1995-06-14 Sony Broadcast & Communication Sub band filters
CA2160045C (en) 1994-10-13 1999-04-27 Thad J. Genrich Parallel cascaded integrator-comb filter
US5880973A (en) 1996-11-20 1999-03-09 Graychip Inc. Signal processing system and method for enhanced cascaded integrator-comb interpolation filter stabilization
US5880687A (en) 1997-02-25 1999-03-09 Motorola Inc. Cascaded integrator-comb interpolation filter
KR100299139B1 (ko) 1997-12-31 2001-11-14 윤종용 데시메이션여파기장치및방법
US6233594B1 (en) 1998-09-23 2001-05-15 Globespan, Inc. Decimation filter for oversampling analog-to digital converter
US6532273B1 (en) 1998-11-19 2003-03-11 Agere Systems Inc. Efficient polyphase decimation filter
US6260053B1 (en) * 1998-12-09 2001-07-10 Cirrus Logic, Inc. Efficient and scalable FIR filter architecture for decimation

Also Published As

Publication number Publication date
US7010557B2 (en) 2006-03-07
EP1372264A2 (de) 2003-12-17
US20030187894A1 (en) 2003-10-02
EP1372264B1 (de) 2008-07-30
EP1372264A3 (de) 2004-03-17

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Legal Events

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8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOSCH JEHLE PATENTANWALTSGESELLSCHAFT MBH, 80639 M