CN107104656B - 滤波器时间常数变更电路以及d/a转换电路 - Google Patents

滤波器时间常数变更电路以及d/a转换电路 Download PDF

Info

Publication number
CN107104656B
CN107104656B CN201710081756.7A CN201710081756A CN107104656B CN 107104656 B CN107104656 B CN 107104656B CN 201710081756 A CN201710081756 A CN 201710081756A CN 107104656 B CN107104656 B CN 107104656B
Authority
CN
China
Prior art keywords
filter
time constant
input signal
time
output
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.)
Active
Application number
CN201710081756.7A
Other languages
English (en)
Chinese (zh)
Other versions
CN107104656A (zh
Inventor
小木曾康弘
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.)
Azbil Corp
Original Assignee
Azbil 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 Azbil Corp filed Critical Azbil Corp
Publication of CN107104656A publication Critical patent/CN107104656A/zh
Application granted granted Critical
Publication of CN107104656B publication Critical patent/CN107104656B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H03M1/06—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
    • 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)
CN201710081756.7A 2016-02-19 2017-02-15 滤波器时间常数变更电路以及d/a转换电路 Active CN107104656B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-029963 2016-02-19
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

Publications (2)

Publication Number Publication Date
CN107104656A CN107104656A (zh) 2017-08-29
CN107104656B true CN107104656B (zh) 2020-06-16

Family

ID=59676445

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710081756.7A Active CN107104656B (zh) 2016-02-19 2017-02-15 滤波器时间常数变更电路以及d/a转换电路

Country Status (4)

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

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06338797A (ja) * 1992-10-08 1994-12-06 Nippon Columbia Co Ltd ビット長拡張装置
CN1197556A (zh) * 1996-07-09 1998-10-28 昆腾公司 具有高增益和低增益方式的脉宽调制数/模转换器
US5936564A (en) * 1996-07-09 1999-08-10 Samsung Electronics Co., Ltd. Digital to analog converter using pulse width modulation and the controlling method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9212263D0 (en) * 1992-06-10 1992-07-22 Shaye Communications Ltd System for data recovery
JP3011577B2 (ja) * 1993-07-21 2000-02-21 三洋電機株式会社 Ａ／ｄ変換器
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
JP2005244413A (ja) * 2004-02-25 2005-09-08 Rohm Co Ltd 時定数自動調整回路
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
JP4648779B2 (ja) * 2005-07-07 2011-03-09 Ｏｋｉセミコンダクタ株式会社 ディジタル・アナログ変換器
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06338797A (ja) * 1992-10-08 1994-12-06 Nippon Columbia Co Ltd ビット長拡張装置
CN1197556A (zh) * 1996-07-09 1998-10-28 昆腾公司 具有高增益和低增益方式的脉宽调制数/模转换器
US5936564A (en) * 1996-07-09 1999-08-10 Samsung Electronics Co., Ltd. Digital to analog converter using pulse width modulation and the controlling method thereof

Also Published As

Publication number Publication date
JP2017147685A (ja) 2017-08-24
KR101877665B1 (ko) 2018-07-12
JP6626362B2 (ja) 2019-12-25
TW201731220A (zh) 2017-09-01
KR20170098167A (ko) 2017-08-29
TWI634752B (zh) 2018-09-01
CN107104656A (zh) 2017-08-29

Similar Documents

Publication Publication Date Title
CN107769780B (zh) 模数转换器及其操作方法、操作电机的方法和电路
EP3065281A1 (en) Switched power converter with dual mode PWM / COT control
EP2544373A2 (en) Digital-to-analog conversion with combined pulse modulators
CN109004812B (zh) 开关变换器及其控制电路和控制方法
JP6416077B2 (ja) 調整可能なコーナー周波数を有するｐｗｍデューティサイクルシンセサイザ及び方法
TWI625942B (zh) 具有斜率補償功能之脈衝密度數位類比轉換器
US20070152858A1 (en) Delta-sigma modulator circuit with limiter and method therefor
CN107104656B (zh) 滤波器时间常数变更电路以及d/a转换电路
JP5303762B2 (ja) 波形処理回路。
CN113114172A (zh) 一种控制pwm信号占空比的电路及装置
JP2021521659A (ja) デューティサイクル制御を備えるｄ級アンプ
KR20160102337A (ko) 파워 컨버터들에 대한 펄스 변환 변조
CN111181566A (zh) 三角积分调制器及相关的信号处理方法
US9806598B2 (en) Active filtering system
US10523123B2 (en) Method for actuating a multi-phase synchronous converter
CN111201704A (zh) 噪声去除电路、噪声去除方法以及马达控制装置
CN104821809B (zh) 用于产生脉冲宽度调制信号的数字电路
JP7318850B2 (ja) 電力変換装置
TWI569567B (zh) 產生pwm信號方法
JP2013198253A (ja) Ｄｃ／ｄｃコンバータ
CA2677528A1 (en) Method for estimating states of a power electronic system
JP6132095B2 (ja) 信号変換装置
JPH0479784A (ja) Ｐｗｍ増幅器の電流制限回路
KR102000405B1 (ko) 스위치드 저항 피드백을 이용하는 시그마 델타 모듈레이터 및 이의 구동 방법
KR102301354B1 (ko) 오차 전압 생성기 및 이를 포함하는 전력 변환장치

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant