IT1051625B - Dispositivo presentatore di immagini televisive con amplificatore video - Google Patents

Dispositivo presentatore di immagini televisive con amplificatore video

Info

Publication number
IT1051625B
IT1051625B IT70087/75A IT7008775A IT1051625B IT 1051625 B IT1051625 B IT 1051625B IT 70087/75 A IT70087/75 A IT 70087/75A IT 7008775 A IT7008775 A IT 7008775A IT 1051625 B IT1051625 B IT 1051625B
Authority
IT
Italy
Prior art keywords
television image
video amplifier
presenter device
image presenter
amplifier
Prior art date
Application number
IT70087/75A
Other languages
English (en)
Italian (it)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1051625B publication Critical patent/IT1051625B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/148—Video amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0283—Reducing the number of DC-current paths
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3066—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output
    • H03F3/3067—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output with asymmetrical driving of the end stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45701—Indexing scheme relating to differential amplifiers the LC comprising one resistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Amplifiers (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
IT70087/75A 1974-12-18 1975-12-15 Dispositivo presentatore di immagini televisive con amplificatore video IT1051625B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7416481.A NL165617C (nl) 1974-12-18 1974-12-18 Televisiebeeldweergeefinrichting met een video- versterker.

Publications (1)

Publication Number Publication Date
IT1051625B true IT1051625B (it) 1981-05-20

Family

ID=19822672

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70087/75A IT1051625B (it) 1974-12-18 1975-12-15 Dispositivo presentatore di immagini televisive con amplificatore video

Country Status (17)

Country Link
US (1) US4035840A (enExample)
JP (1) JPS5759985B2 (enExample)
AR (1) AR207174A1 (enExample)
AT (1) AT341018B (enExample)
AU (1) AU505054B2 (enExample)
BE (1) BE836694A (enExample)
BR (1) BR7508295A (enExample)
CA (1) CA1053366A (enExample)
DE (1) DE2555687C3 (enExample)
DK (1) DK568775A (enExample)
ES (1) ES443525A1 (enExample)
FR (1) FR2295659A1 (enExample)
GB (1) GB1532447A (enExample)
IT (1) IT1051625B (enExample)
NL (1) NL165617C (enExample)
NZ (1) NZ179546A (enExample)
ZA (1) ZA757247B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1034831B (it) * 1975-04-04 1979-10-10 Ates Componenti Elettron Amplificatore di potenza in bassa frequenza in circuito integrato monolitico con circutto esterno combinato per la reiezione alla linea e la determinazione del guadagno
GB1582138A (en) * 1976-07-19 1980-12-31 Rca Corp Video amplifier circuit
US4082996A (en) * 1976-09-27 1978-04-04 Rca Corporation Video amplifier including an a-c coupled voltage follower output stage
US4293875A (en) * 1980-01-03 1981-10-06 Telegram Communications Corp. Wide bandwidth video amplifier
JPS59200510A (ja) * 1983-04-26 1984-11-13 Citizen Watch Co Ltd 低消費電力増巾器
NL8502637A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
DE3540752A1 (de) * 1985-11-16 1987-05-21 Blaupunkt Werke Gmbh Schaltungsanordnung mit steuerbarem verstaerkungsfaktor
FR2674705A1 (fr) * 1991-03-29 1992-10-02 Philips Electro Grand Public Dispositif amplificateur video.
US6680755B2 (en) * 2001-04-05 2004-01-20 Industrial Technology Research Institute Adjustable biased gamma-correction circuit with central-symmetry voltage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070656A (en) * 1959-07-08 1962-12-25 Warwick Mfg Corp Video amplifier

Also Published As

Publication number Publication date
BR7508295A (pt) 1976-09-08
BE836694A (fr) 1976-06-16
US4035840A (en) 1977-07-12
AU505054B2 (en) 1979-11-08
CA1053366A (en) 1979-04-24
DE2555687B2 (de) 1977-10-20
ZA757247B (en) 1977-06-29
AU8758975A (en) 1977-06-23
AT341018B (de) 1978-01-10
JPS5186314A (enExample) 1976-07-28
NZ179546A (en) 1978-11-13
JPS5759985B2 (enExample) 1982-12-17
GB1532447A (en) 1978-11-15
AR207174A1 (es) 1976-09-15
DK568775A (da) 1976-06-19
DE2555687C3 (de) 1978-05-24
FR2295659A1 (fr) 1976-07-16
ATA957775A (de) 1977-05-15
DE2555687A1 (de) 1976-06-24
ES443525A1 (es) 1977-05-01
FR2295659B1 (enExample) 1982-09-03
NL7416481A (nl) 1976-06-22
NL165617C (nl) 1981-04-15

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