FI20000726A - Hyötysuhteeltaan hyvä, laajakaistainen tehovahvistin - Google Patents

Hyötysuhteeltaan hyvä, laajakaistainen tehovahvistin Download PDF

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Publication number
FI20000726A
FI20000726A FI20000726A FI20000726A FI20000726A FI 20000726 A FI20000726 A FI 20000726A FI 20000726 A FI20000726 A FI 20000726A FI 20000726 A FI20000726 A FI 20000726A FI 20000726 A FI20000726 A FI 20000726A
Authority
FI
Finland
Prior art keywords
efficient
power amplifier
broadband power
broadband
amplifier
Prior art date
Application number
FI20000726A
Other languages
English (en)
Swedish (sv)
Other versions
FI117839B (fi
Inventor
Bernard Eugene Sigmon
H Frederick Raab
Ii Roger James 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 FI20000726A publication Critical patent/FI20000726A/fi
Application granted granted Critical
Publication of FI117839B publication Critical patent/FI117839B/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several 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
    • H03F1/0211—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 supply voltage or current
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/39—Different band amplifiers are coupled in parallel to broadband the whole amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/432—Two 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)
FI20000726A 1997-10-06 2000-03-29 Hyötysuhteeltaan hyvä, laajakaistainen tehovahvistin FI117839B (fi)

Applications Claiming Priority (4)

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
US94458597 1997-10-06
US9820759 1998-10-02
PCT/US1998/020759 WO1999018663A1 (en) 1997-10-06 1998-10-02 High efficiency wideband power amplifier

Publications (2)

Publication Number Publication Date
FI20000726A true FI20000726A (fi) 2000-03-29
FI117839B FI117839B (fi) 2007-03-15

Family

ID=25481685

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20000726A FI117839B (fi) 1997-10-06 2000-03-29 Hyötysuhteeltaan hyvä, laajakaistainen tehovahvistin

Country Status (6)

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

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US8032097B2 (en) 2006-02-03 2011-10-04 Quantance, Inc. Amplitude error de-glitching circuit and method of operating
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US7782134B2 (en) * 2008-09-09 2010-08-24 Quantance, Inc. RF power amplifier system with impedance modulation
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GB2465146B (en) * 2008-11-04 2014-05-28 Nujira Ltd Improved power supply stage
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JP6098508B2 (ja) * 2011-04-21 2017-03-22 日本電気株式会社 電源回路
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KR101350731B1 (ko) * 2012-02-24 2014-01-13 한국과학기술원 이중 스위칭증폭기를 이용한 효율 향상된 포락선 증폭기 및 그 설계방법
CN107171645A (zh) * 2012-03-04 2017-09-15 匡坦斯公司 功率放大器系统及延迟校准方法
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Also Published As

Publication number Publication date
DE19882705T1 (de) 2000-09-28
SE0001260D0 (sv) 2000-04-06
SE522517C2 (sv) 2004-02-10
JP4216462B2 (ja) 2009-01-28
SE0001260L (sv) 2000-05-26
JP2001519612A (ja) 2001-10-23
DE19882705C2 (de) 2003-06-18
WO1999018663A1 (en) 1999-04-15
US6175273B1 (en) 2001-01-16
US6084468A (en) 2000-07-04
FI117839B (fi) 2007-03-15

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