FR2458178B1 - Appareil et procede d'attenuation commandee par un signal, au moyen d'un convertisseur numerique-analogique - Google Patents

Appareil et procede d'attenuation commandee par un signal, au moyen d'un convertisseur numerique-analogique

Info

Publication number
FR2458178B1
FR2458178B1 FR8011916A FR8011916A FR2458178B1 FR 2458178 B1 FR2458178 B1 FR 2458178B1 FR 8011916 A FR8011916 A FR 8011916A FR 8011916 A FR8011916 A FR 8011916A FR 2458178 B1 FR2458178 B1 FR 2458178B1
Authority
FR
France
Prior art keywords
digital
signal
analog converter
mitigation apparatus
controlled
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
FR8011916A
Other languages
English (en)
French (fr)
Other versions
FR2458178A1 (fr
Inventor
David Philip 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
Publication of FR2458178A1 publication Critical patent/FR2458178A1/fr
Application granted granted Critical
Publication of FR2458178B1 publication Critical patent/FR2458178B1/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
FR8011916A 1979-05-29 1980-05-29 Appareil et procede d'attenuation commandee par un signal, au moyen d'un convertisseur numerique-analogique Expired FR2458178B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4317479A 1979-05-29 1979-05-29

Publications (2)

Publication Number Publication Date
FR2458178A1 FR2458178A1 (fr) 1980-12-26
FR2458178B1 true FR2458178B1 (fr) 1988-01-29

Family

ID=21925869

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011916A Expired FR2458178B1 (fr) 1979-05-29 1980-05-29 Appareil et procede d'attenuation commandee par un signal, au moyen d'un convertisseur numerique-analogique

Country Status (6)

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

Families Citing this family (8)

* 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
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

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 (de) * 1971-10-13 1974-05-31 Anvar

Also Published As

Publication number Publication date
JPS55162615A (en) 1980-12-18
GB2054992A (en) 1981-02-18
GB2054992B (en) 1983-06-22
DE3019964A1 (de) 1980-12-11
NL8003027A (nl) 1980-12-02
CA1142445A (en) 1983-03-08
FR2458178A1 (fr) 1980-12-26

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Legal Events

Date Code Title Description
ST Notification of lapse