DK168749B1 - Videoforstærker - Google Patents

Videoforstærker Download PDF

Info

Publication number
DK168749B1
DK168749B1 DK690488A DK690488A DK168749B1 DK 168749 B1 DK168749 B1 DK 168749B1 DK 690488 A DK690488 A DK 690488A DK 690488 A DK690488 A DK 690488A DK 168749 B1 DK168749 B1 DK 168749B1
Authority
DK
Denmark
Prior art keywords
amplifier
transistor
current
video
output
Prior art date
Application number
DK690488A
Other languages
Danish (da)
English (en)
Other versions
DK690488D0 (da
DK690488A (da
Inventor
Kesse Ho
Bradley B Cain
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of DK690488D0 publication Critical patent/DK690488D0/da
Publication of DK690488A publication Critical patent/DK690488A/da
Application granted granted Critical
Publication of DK168749B1 publication Critical patent/DK168749B1/da

Links

Classifications

    • 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • 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
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
DK690488A 1987-04-13 1988-12-12 Videoforstærker DK168749B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US3791387 1987-04-13
US07/037,913 US4758799A (en) 1987-04-13 1987-04-13 Broadband, high speed video amplifier
US8800834 1988-03-15
PCT/US1988/000834 WO1988008225A1 (en) 1987-04-13 1988-03-15 Broadband, high speed video amplifier

Publications (3)

Publication Number Publication Date
DK690488D0 DK690488D0 (da) 1988-12-12
DK690488A DK690488A (da) 1988-12-12
DK168749B1 true DK168749B1 (da) 1994-05-30

Family

ID=21897029

Family Applications (1)

Application Number Title Priority Date Filing Date
DK690488A DK168749B1 (da) 1987-04-13 1988-12-12 Videoforstærker

Country Status (10)

Country Link
US (1) US4758799A (xx)
EP (1) EP0309580B1 (xx)
JP (1) JP2543971B2 (xx)
KR (1) KR930002037B1 (xx)
CA (1) CA1313575C (xx)
DE (1) DE3854416T2 (xx)
DK (1) DK168749B1 (xx)
EG (1) EG18401A (xx)
IL (1) IL85761A (xx)
WO (1) WO1988008225A1 (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5078476A (en) * 1989-06-30 1992-01-07 Goldstar Co. Ltd. Automatic backlight on/off control apparatus for liquid crystal display television
US5451906A (en) * 1994-05-03 1995-09-19 Motorola, Inc. Circuit for compensating an amplifier
US5446412A (en) * 1994-05-19 1995-08-29 Exar Corporation Continuously linear pulse amplifier/line driver with large output swing
JP3453918B2 (ja) * 1995-04-14 2003-10-06 ソニー株式会社 広帯域増幅回路
US5661436A (en) * 1996-04-19 1997-08-26 Eastman Kodak Company High bandwidth video output amplifier circuit for high resolution cathode ray tube image displays
US6215355B1 (en) * 1999-10-13 2001-04-10 Tropian, Inc. Constant impedance for switchable amplifier with power control
US7936220B2 (en) * 2008-12-12 2011-05-03 Qualcomm, Incorporated Techniques for improving amplifier linearity
US9899961B2 (en) * 2015-02-15 2018-02-20 Skyworks Solutions, Inc. Enhanced amplifier efficiency through cascode current steering

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678191A (en) * 1968-11-12 1972-07-18 Nasa Crt blanking and brightness control circuit
US3573402A (en) * 1969-03-25 1971-04-06 Lorain Prod Corp Bidirectional additive amplifier
US3733514A (en) * 1971-03-19 1973-05-15 Tektronix Inc Wide band amplifier having two separate high and low frequency paths for driving capacitive load with large amplitude signal
JPS52116156A (en) * 1976-03-26 1977-09-29 Iwatsu Electric Co Ltd Wide-band amplifier circuit
GB1582138A (en) * 1976-07-19 1980-12-31 Rca Corp Video amplifier circuit
JPS5668073A (en) * 1979-11-07 1981-06-08 Canon Inc Outline correcting device of video signal
US4419593A (en) * 1981-06-29 1983-12-06 Honeywell Inc. Ultra fast driver circuit
JPS58117705A (ja) * 1982-01-06 1983-07-13 Hitachi Ltd 広帯域増幅器

Also Published As

Publication number Publication date
IL85761A (en) 1991-11-21
EP0309580A1 (en) 1989-04-05
JPH01503114A (ja) 1989-10-19
DK690488D0 (da) 1988-12-12
JP2543971B2 (ja) 1996-10-16
KR930002037B1 (ko) 1993-03-22
DE3854416T2 (de) 1996-02-29
WO1988008225A1 (en) 1988-10-20
EG18401A (en) 1992-12-30
DE3854416D1 (de) 1995-10-12
EP0309580B1 (en) 1995-09-06
CA1313575C (en) 1993-02-09
KR890700964A (ko) 1989-04-28
DK690488A (da) 1988-12-12
US4758799A (en) 1988-07-19

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed