JPS57123705A - Method and circuit for amplifying electric signal - Google Patents

Method and circuit for amplifying electric signal

Info

Publication number
JPS57123705A
JPS57123705A JP56197775A JP19777581A JPS57123705A JP S57123705 A JPS57123705 A JP S57123705A JP 56197775 A JP56197775 A JP 56197775A JP 19777581 A JP19777581 A JP 19777581A JP S57123705 A JPS57123705 A JP S57123705A
Authority
JP
Japan
Prior art keywords
circuit
electric signal
amplifying electric
amplifying
signal
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
JP56197775A
Other languages
English (en)
Inventor
Kirian Bofumiiru
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.)
BBC Brown Boveri AG Germany
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri France SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4349125&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS57123705(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Brown Boveri und Cie AG Germany, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Germany
Publication of JPS57123705A publication Critical patent/JPS57123705A/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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
JP56197775A 1980-12-12 1981-12-10 Method and circuit for amplifying electric signal Pending JPS57123705A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH9173/80A CH664655A5 (de) 1980-12-12 1980-12-12 Verfahren und verstaerkerschaltung zum verstaerken elektrischer signale, insbesondere nf-modulationssignale eines rundfunksenders.

Publications (1)

Publication Number Publication Date
JPS57123705A true JPS57123705A (en) 1982-08-02

Family

ID=4349125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56197775A Pending JPS57123705A (en) 1980-12-12 1981-12-10 Method and circuit for amplifying electric signal

Country Status (6)

Country Link
US (1) US4449103A (ja)
EP (1) EP0054981B1 (ja)
JP (1) JPS57123705A (ja)
CH (1) CH664655A5 (ja)
DE (1) DE3164601D1 (ja)
YU (1) YU65688A (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666582A5 (de) * 1984-04-03 1988-07-29 Bbc Brown Boveri & Cie Amplitudenmodulierter sender mit anoden-b-modulation.
CH666148A5 (de) * 1984-05-10 1988-06-30 Bbc Brown Boveri & Cie Verfahren zur traegersteuerung eines amplitudenmodulierten senders und schaltungsanordnung zur durchfuehrung des verfahrens.
JPS61161005A (ja) * 1985-01-09 1986-07-21 Nec Corp 振幅変調送信機
US4747161A (en) * 1986-02-25 1988-05-24 Varian Associates, Inc. AM-RF transmitter with compensation for power supply variations
CH671120A5 (ja) * 1986-11-20 1989-07-31 Bbc Brown Boveri & Cie
US5239275A (en) * 1989-08-04 1993-08-24 Motorola, Inc. Amplitude modulator circuit having multiple power supplies
US5249201A (en) * 1991-02-01 1993-09-28 Mst, Inc. Transmission of multiple carrier signals in a nonlinear system
GB2253755B (en) * 1991-03-14 1994-09-07 Marconi Gec Ltd Power amplifying means for R.F signals
US5175871A (en) * 1991-08-08 1992-12-29 Ericsson/Ge Mobile Communication Holding Inc. Power amplifier for a cellular telephone
DE19911437A1 (de) * 1999-03-04 2000-09-07 Deutsche Telekom Ag Verfahren und Anordnung für digitale Übertragung mit amplitudenmodulierten Sendern mit Modulationstransformator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55109006A (en) * 1979-02-13 1980-08-21 Philips Nv Amplifier unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL46317C (ja) * 1934-05-02
BE637752A (ja) * 1962-09-20
BG17928A1 (ja) * 1972-08-25 1974-03-05
JPS5931245B2 (ja) * 1974-10-16 1984-08-01 株式会社日立製作所 電源電圧制御型増幅器
JPS51121239A (en) * 1975-04-17 1976-10-23 Sony Corp An amplification circuit
DE2720930C3 (de) * 1977-05-10 1980-12-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Amplitudenmodulierter Sender

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55109006A (en) * 1979-02-13 1980-08-21 Philips Nv Amplifier unit

Also Published As

Publication number Publication date
CH664655A5 (de) 1988-03-15
US4449103A (en) 1984-05-15
DE3164601D1 (en) 1984-08-09
YU65688A (en) 1990-12-31
EP0054981B1 (de) 1984-07-04
EP0054981A1 (de) 1982-06-30

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