ATE194895T1 - Dezimationsfilter - Google Patents

Dezimationsfilter

Info

Publication number
ATE194895T1
ATE194895T1 AT94911197T AT94911197T ATE194895T1 AT E194895 T1 ATE194895 T1 AT E194895T1 AT 94911197 T AT94911197 T AT 94911197T AT 94911197 T AT94911197 T AT 94911197T AT E194895 T1 ATE194895 T1 AT E194895T1
Authority
AT
Austria
Prior art keywords
pct
decimation filter
order
decimation
sec
Prior art date
Application number
AT94911197T
Other languages
English (en)
Inventor
Tapio Saramaeki
Ville Eerola
Timo Husu
Eero Pajarre
Seppo Ingalsuo
Original Assignee
Tritech Microelectronics Ltd
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 Tritech Microelectronics Ltd filed Critical Tritech Microelectronics Ltd
Application granted granted Critical
Publication of ATE194895T1 publication Critical patent/ATE194895T1/de

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
    • H03H17/06—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
    • 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
    • H03H17/0685—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 rational
AT94911197T 1993-04-05 1994-03-31 Dezimationsfilter ATE194895T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI931531A FI96255C (fi) 1993-04-05 1993-04-05 Desimointisuodatin
PCT/FI1994/000125 WO1994023492A1 (en) 1993-04-05 1994-03-31 Decimation filter

Publications (1)

Publication Number Publication Date
ATE194895T1 true ATE194895T1 (de) 2000-08-15

Family

ID=8537686

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94911197T ATE194895T1 (de) 1993-04-05 1994-03-31 Dezimationsfilter

Country Status (8)

Country Link
US (1) US5689449A (de)
EP (1) EP0693235B1 (de)
JP (1) JPH08508374A (de)
KR (1) KR100302156B1 (de)
AT (1) ATE194895T1 (de)
DE (1) DE69425322D1 (de)
FI (1) FI96255C (de)
WO (1) WO1994023492A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3210219B2 (ja) * 1995-09-08 2001-09-17 松下電器産業株式会社 櫛形フィルタとそれを用いた送受信装置
US5808924A (en) * 1996-07-08 1998-09-15 Boeing North American, Inc. Decimating IIR filter
FI101915B1 (fi) * 1996-12-04 1998-09-15 Nokia Telecommunications Oy Desimointimenetelmä ja desimointisuodatin
JP2001518273A (ja) * 1998-01-26 2001-10-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 時間離散フィルタ
AUPP271998A0 (en) * 1998-03-31 1998-04-23 Lake Dsp Pty Limited Lookahead sigma-delta modulator
US6087969A (en) * 1998-04-27 2000-07-11 Motorola, Inc. Sigma-delta modulator and method for digitizing a signal
US6161118A (en) * 1998-06-12 2000-12-12 Oak Technology, Inc. Digital comb filter having a cascaded integrator stage with adjustable gain
US6233594B1 (en) * 1998-09-23 2001-05-15 Globespan, Inc. Decimation filter for oversampling analog-to digital converter
DE19919575C1 (de) 1999-04-29 2001-01-11 Siemens Ag Kammfilteranordnung zur Dezimation einer Folge von digitalen Eingangswerten in eine Folge von digitalen Ausgangswerten um einen nicht ganzzahligen Faktor
GB9911750D0 (en) * 1999-05-21 1999-07-21 Hewlett Packard Co Method and apparatus for measuring parameters of an electrical system
US6470365B1 (en) * 1999-08-23 2002-10-22 Motorola, Inc. Method and architecture for complex datapath decimation and channel filtering
FI109383B (fi) 2000-11-03 2002-07-15 Nokia Corp Suodatusmenetelmä ja suodatin
ES2186536B1 (es) * 2001-05-07 2004-02-01 Univ Sevilla Modulador sigma-delta en cascada multifrecuencia.
US6507300B1 (en) * 2001-06-27 2003-01-14 Intel Corporation Variable rate decimator
US20030130751A1 (en) * 2002-01-09 2003-07-10 Freesystems Pte.,Ltd. New filter bank for graphics equalizer implementation
US7685217B2 (en) * 2005-07-26 2010-03-23 Broadcom Corporation Channel-select decimation filter with programmable bandwidth
CN103475335A (zh) * 2013-09-04 2013-12-25 苏州苏尔达信息科技有限公司 一种多相数字降采样滤波器
RU2684190C1 (ru) * 2018-05-18 2019-04-04 Федеральное государственное унитарное предприятие "Государственный научно-исследовательский институт авиационных систем" (ФГУП "ГосНИИАС") Многоскоростной цифровой экстраполятор

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL180895C (nl) * 1978-11-30 1987-05-04 Philips Nv Analoog-digitaal-omzetter.
US4509037A (en) * 1981-06-12 1985-04-02 Gould Inc. Enhanced delta modulation encoder
US4680810A (en) * 1985-06-28 1987-07-14 American Telephone And Telegraph Company, At&T Bell Labs Means for controlling a semiconductor device and communication system comprising the means
DE3781159D1 (de) * 1987-12-12 1992-09-17 Itt Ind Gmbh Deutsche Digitales dezimationsfilter.
US4972356A (en) * 1989-05-01 1990-11-20 Motorola, Inc. Systolic IIR decimation filter
US5012244A (en) * 1989-10-27 1991-04-30 Crystal Semiconductor Corporation Delta-sigma modulator with oscillation detect and reset circuit
US4999798A (en) * 1990-03-01 1991-03-12 Motorola, Inc. Transient free interpolating decimator
US5148167A (en) * 1990-04-06 1992-09-15 General Electric Company Sigma-delta oversampled analog-to-digital converter network with chopper stabilization
US5070310A (en) * 1990-08-31 1991-12-03 Motorola, Inc. Multiple latched accumulator fractional N synthesis
NL9100379A (nl) * 1991-03-01 1992-10-01 Philips Nv Sigma-deltamodulator.
US5208594A (en) * 1991-05-02 1993-05-04 Ricoh Company, Ltd. Signal processor that uses a delta-sigma modulation
US5166642A (en) * 1992-02-18 1992-11-24 Motorola, Inc. Multiple accumulator fractional N synthesis with series recombination
JPH05259813A (ja) * 1992-03-03 1993-10-08 Nec Corp ディジタルフィルタ

Also Published As

Publication number Publication date
EP0693235B1 (de) 2000-07-19
WO1994023492A1 (en) 1994-10-13
EP0693235A1 (de) 1996-01-24
FI931531A (fi) 1994-10-06
FI931531A0 (fi) 1993-04-05
JPH08508374A (ja) 1996-09-03
US5689449A (en) 1997-11-18
KR960702211A (ko) 1996-03-28
FI96255B (fi) 1996-02-15
FI96255C (fi) 1996-05-27
KR100302156B1 (ko) 2001-10-22
DE69425322D1 (de) 2000-08-24

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