JPS56119509A - Power amplifier unit - Google Patents

Power amplifier unit

Info

Publication number
JPS56119509A
JPS56119509A JP1007081A JP1007081A JPS56119509A JP S56119509 A JPS56119509 A JP S56119509A JP 1007081 A JP1007081 A JP 1007081A JP 1007081 A JP1007081 A JP 1007081A JP S56119509 A JPS56119509 A JP S56119509A
Authority
JP
Japan
Prior art keywords
power amplifier
amplifier unit
unit
power
amplifier
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.)
Pending
Application number
JP1007081A
Other languages
English (en)
Inventor
Kuragufuorusu Gunnaa
Boson Yorugen
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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 ASEA AB filed Critical ASEA AB
Publication of JPS56119509A publication Critical patent/JPS56119509A/ja
Pending legal-status Critical Current

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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP1007081A 1980-01-28 1981-01-26 Power amplifier unit Pending JPS56119509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8000633A SE420143B (sv) 1980-01-28 1980-01-28 Effektforsterkarkoppling

Publications (1)

Publication Number Publication Date
JPS56119509A true JPS56119509A (en) 1981-09-19

Family

ID=20340082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1007081A Pending JPS56119509A (en) 1980-01-28 1981-01-26 Power amplifier unit

Country Status (6)

Country Link
US (1) US4390846A (ja)
JP (1) JPS56119509A (ja)
CA (1) CA1159914A (ja)
DE (1) DE3101622A1 (ja)
GB (1) GB2070373B (ja)
SE (1) SE420143B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014165576A (ja) * 2013-02-22 2014-09-08 Nec Corp 電源回路、これを用いた電力増幅器及び電源回路における信号増幅方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523152A (en) * 1982-04-01 1985-06-11 Unisearch Limited High-efficiency feedforward-error-correction amplifier
GB2120885B (en) * 1982-04-01 1985-08-07 Unisearch Ltd Raising amplifier efficiency
GB8508655D0 (en) * 1985-04-03 1985-05-09 Gec Avionics Electric signal amplifiers
FR2666944A1 (fr) * 1990-09-14 1992-03-20 Sextant Avionique Circuit d'amplification a decoupage pour la fourniture d'un courant proportionnel a une tension et systeme de deflexion electromagnetique utilisant au moins un tel circuit.
US7271661B2 (en) * 2005-06-03 2007-09-18 Himax Technologies Limited Operation amplifier circuit having digital driving circuitry and analog driving circuitry
US7633482B2 (en) * 2005-06-06 2009-12-15 Himax Technologies Limited Operational amplifier circuit having digitally controllable output stage
CH703161A2 (fr) * 2010-05-17 2011-11-30 Etel Sa Circuit electronique a amplificateur lineaire assiste par un amplificateur a mode commute.
US8497734B2 (en) 2010-06-14 2013-07-30 Harman International Industries, Incorporated High efficiency audio amplifier system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU421103A1 (ru) * 1970-11-30 1974-03-25 С. П. Черн Двухканальный избирательный усилитель
US3783399A (en) * 1971-07-13 1974-01-01 Nasa Full-wave mod ulator-demodulator amplifier apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014165576A (ja) * 2013-02-22 2014-09-08 Nec Corp 電源回路、これを用いた電力増幅器及び電源回路における信号増幅方法

Also Published As

Publication number Publication date
US4390846A (en) 1983-06-28
DE3101622A1 (de) 1981-12-17
SE8000633L (sv) 1981-07-29
CA1159914A (en) 1984-01-03
GB2070373A (en) 1981-09-03
SE420143B (sv) 1981-09-14
GB2070373B (en) 1984-11-14

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