KR102367762B1 - 병렬 아날로그-디지털 변환기 채널들을 갖는 시스템들에서의 데시메이션 필터링 - Google Patents

병렬 아날로그-디지털 변환기 채널들을 갖는 시스템들에서의 데시메이션 필터링 Download PDF

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KR102367762B1
KR102367762B1 KR1020180021713A KR20180021713A KR102367762B1 KR 102367762 B1 KR102367762 B1 KR 102367762B1 KR 1020180021713 A KR1020180021713 A KR 1020180021713A KR 20180021713 A KR20180021713 A KR 20180021713A KR 102367762 B1 KR102367762 B1 KR 102367762B1
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KR20180101189A (ko
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페이준 샨
데이비드 소벨
스티븐 엘 모레인
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시냅틱스 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0042—Digital filtering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • 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
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/1205—Multiplexed conversion systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/1245—Details of sampling arrangements or methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0017—Digital filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H2017/0072—Theoretical filter design
    • H03H2017/0081—Theoretical filter design of FIR filters

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)
KR1020180021713A 2017-03-03 2018-02-23 병렬 아날로그-디지털 변환기 채널들을 갖는 시스템들에서의 데시메이션 필터링 Active KR102367762B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/449,878 2017-03-03
US15/449,878 US9900028B1 (en) 2017-03-03 2017-03-03 Decimation filtering in systems having parallel analog-to-digital converter channels

Publications (2)

Publication Number Publication Date
KR20180101189A KR20180101189A (ko) 2018-09-12
KR102367762B1 true KR102367762B1 (ko) 2022-02-24

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KR1020180021713A Active KR102367762B1 (ko) 2017-03-03 2018-02-23 병렬 아날로그-디지털 변환기 채널들을 갖는 시스템들에서의 데시메이션 필터링

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US (1) US9900028B1 (enExample)
JP (1) JP7011950B2 (enExample)
KR (1) KR102367762B1 (enExample)
CN (1) CN108536325B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110620565A (zh) * 2019-08-09 2019-12-27 西人马帝言(北京)科技有限公司 一种数字抽取滤波器
US12487706B1 (en) 2024-12-05 2025-12-02 Stmicroelectronics International N.V. ADC data processing circuit for touch controllers

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02172629A (ja) * 1988-12-26 1990-07-04 Mitsubishi Electric Corp 加工装置
US5079734A (en) * 1990-04-30 1992-01-07 Harris Corporation Digital decimation filter
US5257026A (en) * 1992-04-17 1993-10-26 Crystal Semiconductor, Inc. Method and apparatus for calibrating a multi-bit delta-sigma modular
US5345409A (en) * 1993-03-25 1994-09-06 General Electric Company Programmable digital signal processor system for processing electrical power signals
US6487190B1 (en) * 1996-06-27 2002-11-26 Interdigital Technology Corporation Efficient multichannel filtering for CDMA modems
US6014682A (en) * 1997-05-30 2000-01-11 International Business Machines Corporation Methods and apparatus for variable-rate down-sampling filters for discrete-time sampled systems using a fixed sampling rate
KR100511295B1 (ko) * 2002-10-30 2005-08-31 엘지전자 주식회사 디지털 필터 및 그 운용방법
DE102004062291B4 (de) * 2004-12-23 2010-04-08 Austriamicrosystems Ag FIR-Dezimationsfilter und Anordnung mit demselben
US7436339B2 (en) * 2005-07-20 2008-10-14 M/A-Com, Inc. Method and apparatus to emulate a filter using digital elements
US20080013747A1 (en) * 2006-06-30 2008-01-17 Bao Tran Digital stethoscope and monitoring instrument
WO2011149974A1 (en) * 2010-05-24 2011-12-01 The Board Of Trustees Of The University Of Illinois High sensitivity environmental senor board and methods for structural health monitoring
KR102058437B1 (ko) * 2013-02-25 2019-12-26 삼성전자주식회사 필터 값 추출기를 포함하는 터치 감지 장치 및 필터 값 추출기
US9176633B2 (en) * 2014-03-31 2015-11-03 Synaptics Incorporated Sensor device and method for estimating noise in a capacitive sensing device
KR101948453B1 (ko) * 2015-07-06 2019-02-14 시그마센스, 엘엘씨. 내부 압력 기울기 회전을 갖는 펜 시스템
CN105915241B (zh) * 2016-04-13 2018-04-06 信阳师范学院 Fpga中实现超高速数字正交下变频及抽取滤波的方法与系统

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Publication number Publication date
JP2018152847A (ja) 2018-09-27
JP7011950B2 (ja) 2022-01-27
US9900028B1 (en) 2018-02-20
KR20180101189A (ko) 2018-09-12
CN108536325A (zh) 2018-09-14
CN108536325B (zh) 2024-04-09

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