SE0001260D0 - Bredbandig effektförstärkare med hög verkningsgrad - Google Patents

Bredbandig effektförstärkare med hög verkningsgrad

Info

Publication number
SE0001260D0
SE0001260D0 SE0001260A SE0001260A SE0001260D0 SE 0001260 D0 SE0001260 D0 SE 0001260D0 SE 0001260 A SE0001260 A SE 0001260A SE 0001260 A SE0001260 A SE 0001260A SE 0001260 D0 SE0001260 D0 SE 0001260D0
Authority
SE
Sweden
Prior art keywords
class
amplifier
amplifies
power amplifier
high efficiency
Prior art date
Application number
SE0001260A
Other languages
English (en)
Other versions
SE522517C2 (sv
SE0001260L (sv
Inventor
Bernard Eugene Sigmon
Frederick H Raab
James Roger Clark
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of SE0001260D0 publication Critical patent/SE0001260D0/sv
Publication of SE0001260L publication Critical patent/SE0001260L/sv
Publication of SE522517C2 publication Critical patent/SE522517C2/sv

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0216Continuous control
    • H03F1/0222Continuous control by using a signal derived from the input signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/102A non-specified detector of a signal envelope being used in an amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/39Different band amplifiers are coupled in parallel to broadband the whole amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/432Two or more amplifiers of different type are coupled in parallel at the input or output, e.g. a class D and a linear amplifier, a class B and a class A amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
SE0001260A 1997-10-06 2000-04-06 Bredbandig effektförstärkare med hög verkningsgrad SE522517C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/944,585 US6084468A (en) 1997-10-06 1997-10-06 Method and apparatus for high efficiency wideband power amplification
PCT/US1998/020759 WO1999018663A1 (en) 1997-10-06 1998-10-02 High efficiency wideband power amplifier

Publications (3)

Publication Number Publication Date
SE0001260D0 true SE0001260D0 (sv) 2000-04-06
SE0001260L SE0001260L (sv) 2000-05-26
SE522517C2 SE522517C2 (sv) 2004-02-10

Family

ID=25481685

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0001260A SE522517C2 (sv) 1997-10-06 2000-04-06 Bredbandig effektförstärkare med hög verkningsgrad

Country Status (6)

Country Link
US (2) US6084468A (sv)
JP (1) JP4216462B2 (sv)
DE (1) DE19882705C2 (sv)
FI (1) FI117839B (sv)
SE (1) SE522517C2 (sv)
WO (1) WO1999018663A1 (sv)

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Also Published As

Publication number Publication date
WO1999018663A1 (en) 1999-04-15
SE522517C2 (sv) 2004-02-10
JP4216462B2 (ja) 2009-01-28
US6175273B1 (en) 2001-01-16
DE19882705C2 (de) 2003-06-18
SE0001260L (sv) 2000-05-26
DE19882705T1 (de) 2000-09-28
FI117839B (sv) 2007-03-15
JP2001519612A (ja) 2001-10-23
US6084468A (en) 2000-07-04
FI20000726A (sv) 2000-03-29

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