FR2295637A1 - Circuit de commande automatique de gain numerique - Google Patents

Circuit de commande automatique de gain numerique

Info

Publication number
FR2295637A1
FR2295637A1 FR7533267A FR7533267A FR2295637A1 FR 2295637 A1 FR2295637 A1 FR 2295637A1 FR 7533267 A FR7533267 A FR 7533267A FR 7533267 A FR7533267 A FR 7533267A FR 2295637 A1 FR2295637 A1 FR 2295637A1
Authority
FR
France
Prior art keywords
control circuit
gain control
digital gain
automatic digital
automatic
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.)
Granted
Application number
FR7533267A
Other languages
English (en)
Other versions
FR2295637B1 (fr
Inventor
Gardner D Jones Jr
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2295637A1 publication Critical patent/FR2295637A1/fr
Application granted granted Critical
Publication of FR2295637B1 publication Critical patent/FR2295637B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/08—Amplitude regulation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Analogue/Digital Conversion (AREA)
  • Feedback Control In General (AREA)
FR7533267A 1974-12-18 1975-10-20 Circuit de commande automatique de gain numerique Granted FR2295637A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/534,016 US3983381A (en) 1974-12-18 1974-12-18 Digital automatic gain control circuit

Publications (2)

Publication Number Publication Date
FR2295637A1 true FR2295637A1 (fr) 1976-07-16
FR2295637B1 FR2295637B1 (fr) 1978-04-07

Family

ID=24128363

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7533267A Granted FR2295637A1 (fr) 1974-12-18 1975-10-20 Circuit de commande automatique de gain numerique

Country Status (7)

Country Link
US (1) US3983381A (fr)
JP (1) JPS5911293B2 (fr)
CA (1) CA1063247A (fr)
DE (1) DE2554744C2 (fr)
FR (1) FR2295637A1 (fr)
GB (1) GB1490445A (fr)
IT (1) IT1049899B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059818A (en) * 1976-04-19 1977-11-22 Exxon Production Research Company Periodic waveform interference eliminator
GB1583635A (en) * 1977-03-02 1981-01-28 Int Standard Electric Corp Subscriber line or trunk circuit
US4213097A (en) * 1978-10-19 1980-07-15 Racal-Milgo, Inc. Hybrid automatic gain control circuit
IT1121030B (it) * 1979-09-18 1986-03-26 Cselt Centro Studi Lab Telecom Procedimento e circuito per il controllo automatico del guadagno in apparecchiature elettroniche
JPS583406A (ja) * 1981-06-30 1983-01-10 Fujitsu Ltd ディジタル形自動利得制御方法
US4447826A (en) * 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
GB2133943B (en) * 1983-01-12 1986-09-17 Ncr Co Automatic gain control circuit
DE3401748A1 (de) * 1984-01-19 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer eine digitale pegelregelung
DE3540722C2 (de) * 1985-11-16 1995-06-29 Daimler Benz Aerospace Ag Verfahren zur automatischen Pegelregelung
US4785418A (en) * 1986-08-29 1988-11-15 International Business Machines Corporation Proportional automatic gain control
US5124673A (en) * 1991-04-26 1992-06-23 The Grass Valley Group, Inc. Level independent automatic cable equalizer
US5563916A (en) * 1995-06-05 1996-10-08 Hitachi America, Ltd. Apparatus and method for varying the slew rate of a digital automatic gain control circuit
US7386074B1 (en) 2003-10-06 2008-06-10 Redpine Signals, Inc. Digital automatic gain control method and apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2112726A5 (fr) * 1970-11-06 1972-06-23 Sercel Rech Const Elect

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562504A (en) * 1967-11-08 1971-02-09 Texas Instruments Inc Digital automatic gain control

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2112726A5 (fr) * 1970-11-06 1972-06-23 Sercel Rech Const Elect

Also Published As

Publication number Publication date
JPS5178110A (fr) 1976-07-07
DE2554744A1 (de) 1976-06-24
IT1049899B (it) 1981-02-10
JPS5911293B2 (ja) 1984-03-14
USB534016I5 (fr) 1976-02-03
DE2554744C2 (de) 1985-04-25
FR2295637B1 (fr) 1978-04-07
CA1063247A (fr) 1979-09-25
GB1490445A (en) 1977-11-02
US3983381A (en) 1976-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse