IT1027871B - Apparecchiatura e sistema per la trasmissione di informazioni - Google Patents

Apparecchiatura e sistema per la trasmissione di informazioni

Info

Publication number
IT1027871B
IT1027871B IT3079574A IT3079574A IT1027871B IT 1027871 B IT1027871 B IT 1027871B IT 3079574 A IT3079574 A IT 3079574A IT 3079574 A IT3079574 A IT 3079574A IT 1027871 B IT1027871 B IT 1027871B
Authority
IT
Italy
Prior art keywords
transmission
equipment
information
Prior art date
Application number
IT3079574A
Other languages
English (en)
Italian (it)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1027871B publication Critical patent/IT1027871B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2092—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/389—Demodulator circuits; Receiver circuits with separate demodulation for the phase and amplitude components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Filters And Equalizers (AREA)
IT3079574A 1974-02-12 1974-12-20 Apparecchiatura e sistema per la trasmissione di informazioni IT1027871B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7404772A FR2260904B1 (de) 1974-02-12 1974-02-12

Publications (1)

Publication Number Publication Date
IT1027871B true IT1027871B (it) 1978-12-20

Family

ID=9134830

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3079574A IT1027871B (it) 1974-02-12 1974-12-20 Apparecchiatura e sistema per la trasmissione di informazioni

Country Status (4)

Country Link
JP (1) JPS558069B2 (de)
FR (1) FR2260904B1 (de)
GB (1) GB1502363A (de)
IT (1) IT1027871B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237619C2 (de) * 1982-10-11 1985-04-18 Karl Dipl.-Phys. Dr. 3550 Marburg Meinzer Verfahren und Vorrichtung zur digitalen Datenübertragung

Also Published As

Publication number Publication date
DE2501324B2 (de) 1976-05-06
JPS50125610A (de) 1975-10-02
FR2260904A1 (de) 1975-09-05
JPS558069B2 (de) 1980-03-01
GB1502363A (en) 1978-03-01
DE2501324A1 (de) 1975-08-14
FR2260904B1 (de) 1976-11-26

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