TWI634752B - 濾波器時間常數變更電路及數位至類比(d/a)轉換電路 - Google Patents

濾波器時間常數變更電路及數位至類比(d/a)轉換電路 Download PDF

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Publication number
TWI634752B
TWI634752B TW105141196A TW105141196A TWI634752B TW I634752 B TWI634752 B TW I634752B TW 105141196 A TW105141196 A TW 105141196A TW 105141196 A TW105141196 A TW 105141196A TW I634752 B TWI634752 B TW I634752B
Authority
TW
Taiwan
Prior art keywords
filter
time constant
change
input signal
time
Prior art date
Application number
TW105141196A
Other languages
English (en)
Chinese (zh)
Other versions
TW201731220A (zh
Inventor
Yasuhiro Kogiso
小木曽康弘
Original Assignee
Azbil Corporation
阿自倍爾股份有限公司
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 Azbil Corporation, 阿自倍爾股份有限公司 filed Critical Azbil Corporation
Publication of TW201731220A publication Critical patent/TW201731220A/zh
Application granted granted Critical
Publication of TWI634752B publication Critical patent/TWI634752B/zh

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0626—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by filtering
    • H03M1/0631—Smoothing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/0009—Time-delay networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/04—Filter calibration method
    • H03H2210/043—Filter calibration method by measuring time constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Networks Using Active Elements (AREA)
TW105141196A 2016-02-19 2016-12-13 濾波器時間常數變更電路及數位至類比(d/a)轉換電路 TWI634752B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016029963A JP6626362B2 (ja) 2016-02-19 2016-02-19 フィルタ時定数変更回路およびｄ／ａ変換回路
JPJP2016-029963 2016-02-19

Publications (2)

Publication Number Publication Date
TW201731220A TW201731220A (zh) 2017-09-01
TWI634752B true TWI634752B (zh) 2018-09-01

Family

ID=59676445

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105141196A TWI634752B (zh) 2016-02-19 2016-12-13 濾波器時間常數變更電路及數位至類比(d/a)轉換電路

Country Status (4)

Country Link
JP (1) JP6626362B2 (ja)
KR (1) KR101877665B1 (ja)
CN (1) CN107104656B (ja)
TW (1) TWI634752B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113110343A (zh) * 2021-04-23 2021-07-13 广东电网有限责任公司电力科学研究院 一种双参数近似滑动窗滤波器的控制方法及系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993026110A1 (en) * 1992-06-10 1993-12-23 At & T Wireless Communications Products Ltd. Dc tracking circuit for ginomy data slicer
US5914633A (en) * 1997-08-08 1999-06-22 Lucent Technologies Inc. Method and apparatus for tuning a continuous time filter
JP2003101413A (ja) * 2001-09-25 2003-04-04 Ricoh Co Ltd Ｄａ変換器
TWI240485B (en) * 2004-05-14 2005-09-21 Via Tech Inc Global automatic RC time constant tuning circuit and method for on chip RC filters
TW200537802A (en) * 2004-02-25 2005-11-16 Rohm Co Ltd Automatic time-constant resulation circuit
US7295142B2 (en) * 2005-07-07 2007-11-13 Oki Electric Industry Co., Ltd. Digital-to-analog converter with short integration time constant
TWM386518U (en) * 2010-04-07 2010-08-11 Idesyn Semiconductor Corp Linear regulator
TWI517590B (zh) * 2013-06-18 2016-01-11 瑞昱半導體股份有限公司 估算時間交錯類比數位轉換器中第一、第二類比數位轉換器之間之取樣延遲誤差的方法與裝置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2507285B2 (ja) * 1992-10-08 1996-06-12 日本コロムビア株式会社 ビット長拡張装置
JP3011577B2 (ja) * 1993-07-21 2000-02-21 三洋電機株式会社 Ａ／ｄ変換器
US5712636A (en) * 1996-07-09 1998-01-27 Quantum Corp. Pulse-width-modulated digital-to-analog converter with high gain and low gain modes
KR100220383B1 (ko) * 1996-07-09 1999-09-15 윤종용 Pwm을 이용한 디지탈/아날로그 변환장치 및 그 변환방법

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993026110A1 (en) * 1992-06-10 1993-12-23 At & T Wireless Communications Products Ltd. Dc tracking circuit for ginomy data slicer
US5914633A (en) * 1997-08-08 1999-06-22 Lucent Technologies Inc. Method and apparatus for tuning a continuous time filter
JP2003101413A (ja) * 2001-09-25 2003-04-04 Ricoh Co Ltd Ｄａ変換器
TW200537802A (en) * 2004-02-25 2005-11-16 Rohm Co Ltd Automatic time-constant resulation circuit
TWI240485B (en) * 2004-05-14 2005-09-21 Via Tech Inc Global automatic RC time constant tuning circuit and method for on chip RC filters
US7295142B2 (en) * 2005-07-07 2007-11-13 Oki Electric Industry Co., Ltd. Digital-to-analog converter with short integration time constant
TWM386518U (en) * 2010-04-07 2010-08-11 Idesyn Semiconductor Corp Linear regulator
TWI517590B (zh) * 2013-06-18 2016-01-11 瑞昱半導體股份有限公司 估算時間交錯類比數位轉換器中第一、第二類比數位轉換器之間之取樣延遲誤差的方法與裝置

Also Published As

Publication number Publication date
KR101877665B1 (ko) 2018-07-12
JP2017147685A (ja) 2017-08-24
CN107104656B (zh) 2020-06-16
CN107104656A (zh) 2017-08-29
TW201731220A (zh) 2017-09-01
KR20170098167A (ko) 2017-08-29
JP6626362B2 (ja) 2019-12-25

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