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FR2445068A1 - Circuit comportant un amplificateur reglable - Google Patents

Circuit comportant un amplificateur reglable

Info

Publication number
FR2445068A1
FR2445068A1 FR7931469A FR7931469A FR2445068A1 FR 2445068 A1 FR2445068 A1 FR 2445068A1 FR 7931469 A FR7931469 A FR 7931469A FR 7931469 A FR7931469 A FR 7931469A FR 2445068 A1 FR2445068 A1 FR 2445068A1
Authority
FR
France
Prior art keywords
converted
peak value
output signal
control magnitude
video signal
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.)
Withdrawn
Application number
FR7931469A
Other languages
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2445068A1 publication Critical patent/FR2445068A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Picture Signal Circuits (AREA)
FR7931469A 1978-12-23 1979-12-21 Circuit comportant un amplificateur reglable Withdrawn FR2445068A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782855880 DE2855880C2 (de) 1978-12-23 1978-12-23 Schaltungsanordnung mit einem regelbaren Verstärker

Publications (1)

Publication Number Publication Date
FR2445068A1 true FR2445068A1 (fr) 1980-07-18

Family

ID=6058200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931469A Withdrawn FR2445068A1 (fr) 1978-12-23 1979-12-21 Circuit comportant un amplificateur reglable

Country Status (3)

Country Link
JP (1) JPS5592011A (de)
DE (1) DE2855880C2 (de)
FR (1) FR2445068A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152985A1 (de) * 1984-02-16 1985-08-28 Koninklijke Philips Electronics N.V. Verstärkereinrichtung mit kontrollierter Verstärkung
FR2585205A1 (fr) * 1985-07-19 1987-01-23 Philips Nv Montage de circuit pour un recepteur de television comportant un amplificateur de signal video fi reglable

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03214885A (ja) * 1990-01-19 1991-09-20 Toshiba Corp 色信号の輪郭強調回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2347192A1 (de) * 1973-09-19 1975-03-27 Siemens Ag Schaltungsanordnung zur regelspannungserzeugung fuer den bildzwischenfrequenzverstaerker und zur stoerimpulsbefreiung des videosignals in einem fernsehempfaenger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152985A1 (de) * 1984-02-16 1985-08-28 Koninklijke Philips Electronics N.V. Verstärkereinrichtung mit kontrollierter Verstärkung
FR2585205A1 (fr) * 1985-07-19 1987-01-23 Philips Nv Montage de circuit pour un recepteur de television comportant un amplificateur de signal video fi reglable

Also Published As

Publication number Publication date
DE2855880C2 (de) 1982-09-16
JPS5592011A (en) 1980-07-12
DE2855880A1 (de) 1980-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse