FR1048774A - Amplificateurs électriques à commande automatique de gain - Google Patents

Amplificateurs électriques à commande automatique de gain

Info

Publication number
FR1048774A
FR1048774A FR1048774DA FR1048774A FR 1048774 A FR1048774 A FR 1048774A FR 1048774D A FR1048774D A FR 1048774DA FR 1048774 A FR1048774 A FR 1048774A
Authority
FR
France
Prior art keywords
gain control
automatic gain
electric amplifiers
amplifiers
electric
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
Application number
Other languages
English (en)
Inventor
Charles Trevor Daly
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1048774A publication Critical patent/FR1048774A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/74—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 for increasing reliability, e.g. using redundant or spare channels or apparatus
    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542—Replacing by standby devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR1048774D 1950-06-16 1951-06-15 Amplificateurs électriques à commande automatique de gain Expired FR1048774A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2647176X 1950-06-16

Publications (1)

Publication Number Publication Date
FR1048774A true FR1048774A (fr) 1953-12-23

Family

ID=10912588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048774D Expired FR1048774A (fr) 1950-06-16 1951-06-15 Amplificateurs électriques à commande automatique de gain

Country Status (3)

Country Link
US (1) US2647176A (fr)
BE (1) BE503923A (fr)
FR (1) FR1048774A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863049A (en) * 1952-09-17 1958-12-02 Emi Ltd Electric circuit arrangements for repeating the output of a selection of a pluralityof source circuits
US4565972A (en) * 1985-03-18 1986-01-21 Tx Rx Systems, Inc. Tower mounted preamplifier
US5418490A (en) * 1994-03-01 1995-05-23 Tx Rx Systems, Inc. Failure responsive alternate amplifier and bypass system for communications amplifier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2396990A (en) * 1943-12-09 1946-03-19 Bell Telephone Labor Inc Automatic line testing and switching circuits

Also Published As

Publication number Publication date
US2647176A (en) 1953-07-28
BE503923A (fr)

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