CA1257933A - Codeur synchrone - Google Patents

Codeur synchrone

Info

Publication number
CA1257933A
CA1257933A CA000530625A CA530625A CA1257933A CA 1257933 A CA1257933 A CA 1257933A CA 000530625 A CA000530625 A CA 000530625A CA 530625 A CA530625 A CA 530625A CA 1257933 A CA1257933 A CA 1257933A
Authority
CA
Canada
Prior art keywords
signal
shift register
encoder
data signal
bipolar
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
CA000530625A
Other languages
English (en)
Inventor
Marek A. Konarski
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA000530625A priority Critical patent/CA1257933A/fr
Application granted granted Critical
Publication of CA1257933A publication Critical patent/CA1257933A/fr
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
    • H04L25/38—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
    • H04L25/4925—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 using balanced bipolar ternary codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/16—Conversion to or from representation by pulses the pulses having three levels
    • H03M5/18—Conversion to or from representation by pulses the pulses having three levels two levels being symmetrical with respect to the third level, i.e. balanced bipolar ternary code

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Dc Digital Transmission (AREA)
CA000530625A 1987-02-25 1987-02-25 Codeur synchrone Expired CA1257933A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000530625A CA1257933A (fr) 1987-02-25 1987-02-25 Codeur synchrone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000530625A CA1257933A (fr) 1987-02-25 1987-02-25 Codeur synchrone

Publications (1)

Publication Number Publication Date
CA1257933A true CA1257933A (fr) 1989-07-25

Family

ID=4135052

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000530625A Expired CA1257933A (fr) 1987-02-25 1987-02-25 Codeur synchrone

Country Status (1)

Country Link
CA (1) CA1257933A (fr)

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Legal Events

Date Code Title Description
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