ES397458A1 - Mejoras en los repetidores. - Google Patents

Mejoras en los repetidores.

Info

Publication number
ES397458A1
ES397458A1 ES397458A ES397458A ES397458A1 ES 397458 A1 ES397458 A1 ES 397458A1 ES 397458 A ES397458 A ES 397458A ES 397458 A ES397458 A ES 397458A ES 397458 A1 ES397458 A1 ES 397458A1
Authority
ES
Spain
Prior art keywords
pcm
distorted
pulses
polarity
source
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
ES397458A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES397458A1 publication Critical patent/ES397458A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/24—Relay circuits using discharge tubes or semiconductor devices
    • H04L25/242—Relay circuits using discharge tubes or semiconductor devices with retiming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dc Digital Transmission (AREA)
ES397458A 1970-11-30 1971-11-29 Mejoras en los repetidores. Expired ES397458A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7042942A FR2115685A5 (es) 1970-11-30 1970-11-30

Publications (1)

Publication Number Publication Date
ES397458A1 true ES397458A1 (es) 1974-06-01

Family

ID=9064918

Family Applications (1)

Application Number Title Priority Date Filing Date
ES397458A Expired ES397458A1 (es) 1970-11-30 1971-11-29 Mejoras en los repetidores.

Country Status (9)

Country Link
US (1) US3757051A (es)
AU (1) AU466531B2 (es)
BE (1) BE775994A (es)
CH (1) CH548705A (es)
DE (1) DE2158548A1 (es)
ES (1) ES397458A1 (es)
FR (1) FR2115685A5 (es)
IT (1) IT940666B (es)
NL (1) NL7116409A (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR205105A1 (es) * 1974-02-19 1976-04-05 Siemens Ag Regenerador de modulacion de pulsos codificada
SE379468B (es) * 1974-11-06 1975-10-06 Ericsson Telefon Ab L M
FR2301137A1 (fr) * 1975-02-14 1976-09-10 Telecommunications Sa Procede et dispositif pour la formation d'un signal bipolaire de rapport cyclique 1/2
US4199656A (en) * 1975-09-10 1980-04-22 Idr, Inc. Digital video signal processor with distortion correction
US4031317A (en) * 1976-02-12 1977-06-21 Ncr Corporation Data communications system with improved digital phase-locked loop retiming circuit
US4223404A (en) * 1978-04-26 1980-09-16 Raytheon Company Apparatus for recycling complete cycles of a stored periodic signal
DE2829276C2 (de) * 1978-07-04 1983-06-01 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Schaltungsanordnung zur Wechselimpulserzeugung
JPS56136065A (en) * 1980-03-27 1981-10-23 Victor Co Of Japan Ltd Data regenerator
US4516245A (en) * 1983-06-22 1985-05-07 Gte Automatic Electric Inc. Digital span transmission circuit
US4703319A (en) * 1985-09-06 1987-10-27 High Resolution Sciences, Inc Select switch box for white on black and black on white CRT data display
JPS6295050A (ja) * 1985-10-22 1987-05-01 Kokusai Denshin Denwa Co Ltd <Kdd> デイジタル中継器監視用符号の伝送方式
US5191595A (en) * 1991-04-12 1993-03-02 Telecommunications Techniques Corporation T1 digital communications system for in-service detection and identification of malfunctioning repeaters

Also Published As

Publication number Publication date
FR2115685A5 (es) 1972-07-07
AU3618971A (en) 1973-05-31
IT940666B (it) 1973-02-20
CH548705A (de) 1974-04-30
NL7116409A (es) 1972-06-01
AU466531B2 (en) 1975-10-30
US3757051A (en) 1973-09-04
DE2158548A1 (de) 1972-05-31
BE775994A (fr) 1972-05-30

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