DE3876866T2 - Geraeuschverminderungsanordnung fuer ultrahochfrequenzverstaerker und verstaerker-/antennenverbindung mit wenigstens einer solchen anordnung. - Google Patents

Geraeuschverminderungsanordnung fuer ultrahochfrequenzverstaerker und verstaerker-/antennenverbindung mit wenigstens einer solchen anordnung.

Info

Publication number
DE3876866T2
DE3876866T2 DE8888401087T DE3876866T DE3876866T2 DE 3876866 T2 DE3876866 T2 DE 3876866T2 DE 8888401087 T DE8888401087 T DE 8888401087T DE 3876866 T DE3876866 T DE 3876866T DE 3876866 T2 DE3876866 T2 DE 3876866T2
Authority
DE
Germany
Prior art keywords
arrangement
amplifier
high frequency
noise reduction
ultra high
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.)
Expired - Fee Related
Application number
DE8888401087T
Other languages
English (en)
Other versions
DE3876866D1 (de
Inventor
Georges Fleury
Bernard Epsztein
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.)
Thales SA
Original Assignee
Thomson CSF 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
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE3876866D1 publication Critical patent/DE3876866D1/de
Application granted granted Critical
Publication of DE3876866T2 publication Critical patent/DE3876866T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers
    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microwave Amplifiers (AREA)
  • Amplifiers (AREA)
DE8888401087T 1987-05-26 1988-05-04 Geraeuschverminderungsanordnung fuer ultrahochfrequenzverstaerker und verstaerker-/antennenverbindung mit wenigstens einer solchen anordnung. Expired - Fee Related DE3876866T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8707417A FR2616020B1 (fr) 1987-05-26 1987-05-26 Montage reducteur de bruit pour amplificateur en hyperfrequences et liaison amplificateur-antenne comportant au moins un tel montage

Publications (2)

Publication Number Publication Date
DE3876866D1 DE3876866D1 (de) 1993-02-04
DE3876866T2 true DE3876866T2 (de) 1993-04-29

Family

ID=9351475

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888401087T Expired - Fee Related DE3876866T2 (de) 1987-05-26 1988-05-04 Geraeuschverminderungsanordnung fuer ultrahochfrequenzverstaerker und verstaerker-/antennenverbindung mit wenigstens einer solchen anordnung.

Country Status (5)

Country Link
US (1) US4837522A (de)
EP (1) EP0295973B1 (de)
JP (1) JPS63316506A (de)
DE (1) DE3876866T2 (de)
FR (1) FR2616020B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996484A (en) * 1988-12-29 1991-02-26 Atlantic Richfield Company Method and apparatus for cancelling powerline noise in geophysical electromagnetic exploration

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB733358A (en) * 1952-05-21 1955-07-13 Marconi Wireless Telegraph Co Improvements in or relating to noise and interference reducing feedback arrangementsin modulated radio transmitters
US2970276A (en) * 1958-07-03 1961-01-31 Raytheon Co Noise reduction systems
US4520476A (en) * 1982-12-13 1985-05-28 Rockwell International Corporation Apparatus for enabling the duplex operation of a transmitter and receiver

Also Published As

Publication number Publication date
JPS63316506A (ja) 1988-12-23
US4837522A (en) 1989-06-06
FR2616020A1 (fr) 1988-12-02
EP0295973A1 (de) 1988-12-21
DE3876866D1 (de) 1993-02-04
FR2616020B1 (fr) 1991-10-04
EP0295973B1 (de) 1992-12-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee