CA1142445A - Attenuateur controlable par signaux utilisant un convertisseur numerique-analogique - Google Patents

Attenuateur controlable par signaux utilisant un convertisseur numerique-analogique

Info

Publication number
CA1142445A
CA1142445A CA000352995A CA352995A CA1142445A CA 1142445 A CA1142445 A CA 1142445A CA 000352995 A CA000352995 A CA 000352995A CA 352995 A CA352995 A CA 352995A CA 1142445 A CA1142445 A CA 1142445A
Authority
CA
Canada
Prior art keywords
signal
digital
control
switch
bit
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.)
Expired
Application number
CA000352995A
Other languages
English (en)
Inventor
David P. Burton
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.)
Analog Devices Inc
Original Assignee
Analog Devices Inc
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 Analog Devices Inc filed Critical Analog Devices Inc
Application granted granted Critical
Publication of CA1142445A publication Critical patent/CA1142445A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • 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
    • H03M1/74—Simultaneous conversion
    • H03M1/78—Simultaneous conversion using ladder network
    • H03M1/785—Simultaneous conversion using ladder network using resistors, i.e. R-2R ladders

Landscapes

  • Analogue/Digital Conversion (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Networks Using Active Elements (AREA)
CA000352995A 1979-05-29 1980-05-29 Attenuateur controlable par signaux utilisant un convertisseur numerique-analogique Expired CA1142445A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4317479A 1979-05-29 1979-05-29
US043,174 1979-05-29

Publications (1)

Publication Number Publication Date
CA1142445A true CA1142445A (fr) 1983-03-08

Family

ID=21925869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000352995A Expired CA1142445A (fr) 1979-05-29 1980-05-29 Attenuateur controlable par signaux utilisant un convertisseur numerique-analogique

Country Status (6)

Country Link
JP (1) JPS55162615A (fr)
CA (1) CA1142445A (fr)
DE (1) DE3019964A1 (fr)
FR (1) FR2458178B1 (fr)
GB (1) GB2054992B (fr)
NL (1) NL8003027A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114035469A (zh) * 2021-11-08 2022-02-11 中电科思仪科技股份有限公司 一种程控衰减器的通用控制系统及方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589426A (ja) * 1981-07-10 1983-01-19 Sony Corp Ａ／ｄコンバ−タ
AU557017B2 (en) * 1981-07-21 1986-12-04 Sony Corporation Analog-to-digital converter
JPS6094513A (ja) * 1983-10-28 1985-05-27 Victor Co Of Japan Ltd 音量調整装置
IT1215237B (it) * 1985-02-20 1990-01-31 Ates Componenti Elettron Attenuatore a basso rumore ed elevata stabilita'termica,di tipo integrabile
JPS61240716A (ja) * 1985-04-17 1986-10-27 Mitsubishi Electric Corp ディジタルアナログコンバ−タ
GB9004148D0 (en) * 1990-02-23 1990-04-18 Questech Ltd Signal processing apparatus
JP6753665B2 (ja) * 2015-12-03 2020-09-09 ラピスセミコンダクタ株式会社 利得制御回路及び利得制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT251319B (de) * 1965-01-20 1966-12-27 Ibm Oesterreich Internationale Analog-Digital- bzw. Digital-Analog-Wandler
GB1158453A (en) * 1967-03-01 1969-07-16 Marconi Co Ltd Improvements in or relating to Pulse Code Modulation Encoders and Decoders
FR2155877B1 (fr) * 1971-10-13 1974-05-31 Anvar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114035469A (zh) * 2021-11-08 2022-02-11 中电科思仪科技股份有限公司 一种程控衰减器的通用控制系统及方法
CN114035469B (zh) * 2021-11-08 2024-04-12 中电科思仪科技股份有限公司 一种程控衰减器的通用控制系统及方法

Also Published As

Publication number Publication date
FR2458178A1 (fr) 1980-12-26
NL8003027A (nl) 1980-12-02
DE3019964A1 (de) 1980-12-11
GB2054992A (en) 1981-02-18
FR2458178B1 (fr) 1988-01-29
GB2054992B (en) 1983-06-22
JPS55162615A (en) 1980-12-18

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Legal Events

Date Code Title Description
MKEX Expiry