JP7011950B2 - 並列アナログ・デジタル変換器チャネルを備えるシステムにおけるデシメーションフィルタリング - Google Patents

並列アナログ・デジタル変換器チャネルを備えるシステムにおけるデシメーションフィルタリング Download PDF

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JP7011950B2
JP7011950B2 JP2018031566A JP2018031566A JP7011950B2 JP 7011950 B2 JP7011950 B2 JP 7011950B2 JP 2018031566 A JP2018031566 A JP 2018031566A JP 2018031566 A JP2018031566 A JP 2018031566A JP 7011950 B2 JP7011950 B2 JP 7011950B2
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coefficient
sequence
circuit
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JP2018152847A5 (enExample
JP2018152847A (ja
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シャン ペイジュン
ソベル デヴィッド
エル モレイン スティーブン
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シナプティクス インコーポレイテッド
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    • 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
    • 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
    • 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)
JP2018031566A 2017-03-03 2018-02-26 並列アナログ・デジタル変換器チャネルを備えるシステムにおけるデシメーションフィルタリング Active JP7011950B2 (ja)

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 (3)

Publication Number Publication Date
JP2018152847A JP2018152847A (ja) 2018-09-27
JP2018152847A5 JP2018152847A5 (enExample) 2021-04-01
JP7011950B2 true JP7011950B2 (ja) 2022-01-27

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JP2018031566A Active JP7011950B2 (ja) 2017-03-03 2018-02-26 並列アナログ・デジタル変換器チャネルを備えるシステムにおけるデシメーションフィルタリング

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Country Link
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003069388A (ja) 1997-05-30 2003-03-07 Internatl Business Mach Corp <Ibm> ディジタル・フィルタ
US20080109505A1 (en) 2004-12-23 2008-05-08 Austriamicrosystems Ag Fir Decimation Filter and Arrangement Comprising the Same
US20140240256A1 (en) 2013-02-25 2014-08-28 Ki-Duk Kim Digital filter, touch sense device including the digital filter, and method for performing the digital filtering

Family Cites Families (12)

* 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
KR100511295B1 (ko) * 2002-10-30 2005-08-31 엘지전자 주식회사 디지털 필터 및 그 운용방법
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
US9176633B2 (en) * 2014-03-31 2015-11-03 Synaptics Incorporated Sensor device and method for estimating noise in a capacitive sensing device
US10296108B2 (en) * 2015-07-06 2019-05-21 Sigmasense, Llc. Pen system with internal pressure tilt rotation
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003069388A (ja) 1997-05-30 2003-03-07 Internatl Business Mach Corp <Ibm> ディジタル・フィルタ
US20080109505A1 (en) 2004-12-23 2008-05-08 Austriamicrosystems Ag Fir Decimation Filter and Arrangement Comprising the Same
US20140240256A1 (en) 2013-02-25 2014-08-28 Ki-Duk Kim Digital filter, touch sense device including the digital filter, and method for performing the digital filtering

Also Published As

Publication number Publication date
KR102367762B1 (ko) 2022-02-24
US9900028B1 (en) 2018-02-20
CN108536325B (zh) 2024-04-09
JP2018152847A (ja) 2018-09-27
CN108536325A (zh) 2018-09-14
KR20180101189A (ko) 2018-09-12

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