IT981141B - Amplificatori di segnali di tele comunicazioni - Google Patents

Amplificatori di segnali di tele comunicazioni

Info

Publication number
IT981141B
IT981141B IT21219/73A IT2121973A IT981141B IT 981141 B IT981141 B IT 981141B IT 21219/73 A IT21219/73 A IT 21219/73A IT 2121973 A IT2121973 A IT 2121973A IT 981141 B IT981141 B IT 981141B
Authority
IT
Italy
Prior art keywords
communications signal
signal amplifiers
tele communications
tele
amplifiers
Prior art date
Application number
IT21219/73A
Other languages
English (en)
Original Assignee
Telecommunications 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 Telecommunications Sa filed Critical Telecommunications Sa
Application granted granted Critical
Publication of IT981141B publication Critical patent/IT981141B/it

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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
IT21219/73A 1972-08-04 1973-03-06 Amplificatori di segnali di tele comunicazioni IT981141B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7228336A FR2195385A5 (it) 1972-08-04 1972-08-04

Publications (1)

Publication Number Publication Date
IT981141B true IT981141B (it) 1974-10-10

Family

ID=9102936

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21219/73A IT981141B (it) 1972-08-04 1973-03-06 Amplificatori di segnali di tele comunicazioni

Country Status (8)

Country Link
US (1) US3938057A (it)
JP (1) JPS4946847A (it)
CA (1) CA989946A (it)
DE (1) DE2316190A1 (it)
FR (1) FR2195385A5 (it)
GB (1) GB1351927A (it)
IT (1) IT981141B (it)
SE (1) SE387499B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676611A (en) * 1979-11-28 1981-06-24 Fujitsu Ltd Low noise amplifying circuit
JPS6167637A (ja) * 1984-09-11 1986-04-07 Daito Kogyo Kk トロリ線の凍結防止剤塗布器
US5647007A (en) * 1994-12-22 1997-07-08 Helen Of Troy Limited Optimized sound components for hair dryer stereo system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2315040A (en) * 1940-12-28 1943-03-30 Bell Telephone Labor Inc Electric wave amplification
US2691078A (en) * 1951-05-17 1954-10-05 Rca Corp Neutralizing circuits for highfrequency amplifiers

Also Published As

Publication number Publication date
CA989946A (fr) 1976-05-25
US3938057A (en) 1976-02-10
JPS4946847A (it) 1974-05-07
GB1351927A (en) 1974-05-15
DE2316190A1 (de) 1974-02-14
FR2195385A5 (it) 1974-03-01
SE387499B (sv) 1976-09-06

Similar Documents

Publication Publication Date Title
SE384114C (sv) Kommunikationsmottagare
BE797074A (nl) Luidsprekend telefoontoestel
IT987335B (it) Disposizione di selezione telefonica
BE801282A (fr) Casque telephonique
IT986131B (it) Struttura di trasmissione compatta
SE390857B (sv) Kaskadforsterkare
SE389253B (sv) Hogtalare
SE386338B (sv) Kommunikationsanleggning.
AT322899B (de) Ohrmarke
NL169017C (nl) Communicatiestelsel.
TR18291A (tr) 4-trifourometil-4 - nitrodifenil herbisid eterler
NL181065C (nl) Signaalversterkingsschakeling.
AT338872B (de) Transistorbestuckter verstarker
NL169016C (nl) Communicatiestelsel.
IT976281B (it) Sistema telefonico di commutazione
IT980254B (it) Eteri ossimici
IT981141B (it) Amplificatori di segnali di tele comunicazioni
IT1045330B (it) Mobile
NO139285C (no) Forsterkerkrets.
CH550455A (de) Tonbandgeraet.
IT992415B (it) Montatura di altoparlante
GB1440910A (en) Telephone amplifiers
IT981293B (it) Sistema di comunicazioni
AT332801B (de) Forderbehalter
CH544470A (de) Fernmeldevermittlungsanlage