IT992652B - Dispositivo di asservimento di fase per demodulazione di segnali bipolari - Google Patents

Dispositivo di asservimento di fase per demodulazione di segnali bipolari

Info

Publication number
IT992652B
IT992652B IT26761/73A IT2676173A IT992652B IT 992652 B IT992652 B IT 992652B IT 26761/73 A IT26761/73 A IT 26761/73A IT 2676173 A IT2676173 A IT 2676173A IT 992652 B IT992652 B IT 992652B
Authority
IT
Italy
Prior art keywords
demodulation
activation device
bipolar signals
phase activation
phase
Prior art date
Application number
IT26761/73A
Other languages
English (en)
Original Assignee
Cit Alcatel
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
Priority claimed from FR7226068A external-priority patent/FR2193287B1/fr
Priority claimed from FR7232621A external-priority patent/FR2199228B1/fr
Application filed by Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of IT992652B publication Critical patent/IT992652B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Networks Using Active Elements (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
IT26761/73A 1972-07-19 1973-07-19 Dispositivo di asservimento di fase per demodulazione di segnali bipolari IT992652B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7226068A FR2193287B1 (it) 1972-07-19 1972-07-19
FR7232621A FR2199228B1 (it) 1972-09-14 1972-09-14

Publications (1)

Publication Number Publication Date
IT992652B true IT992652B (it) 1975-09-30

Family

ID=26217222

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26761/73A IT992652B (it) 1972-07-19 1973-07-19 Dispositivo di asservimento di fase per demodulazione di segnali bipolari

Country Status (11)

Country Link
US (1) US3891927A (it)
CA (1) CA1023013A (it)
DE (1) DE2336355A1 (it)
DK (1) DK134959B (it)
FI (1) FI57198C (it)
GB (1) GB1421974A (it)
IE (1) IE38040B1 (it)
IT (1) IT992652B (it)
LU (1) LU68026A1 (it)
NL (1) NL7310091A (it)
NO (1) NO143414C (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419614A1 (fr) * 1978-03-10 1979-10-05 Cit Alcatel Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude
US4339823A (en) * 1980-08-15 1982-07-13 Motorola, Inc. Phase corrected clock signal recovery circuit
NL8105465A (nl) * 1981-12-04 1983-07-01 Philips Nv Synchrone demodulatieschakeling voor een, door een videosignaal in amplitude gemoduleerde draaggolf.
IT1212796B (it) * 1983-12-12 1989-11-30 Ates Componenti Elettron Sincronizzatore di fase di tipo digitale per segnali isofrequenziali, particolarmente per demodulatore di segnali.
US4989220A (en) * 1989-02-28 1991-01-29 First Pacific Networks Method and apparatus for demodulating a class of M-ary phase shift keyed (PSK) signals

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109143A (en) * 1960-04-01 1963-10-29 Hughes Aircraft Co Synchronous demodulator for radiotelegraph signals with phase lock for local oscillator during both mark and space
US3311833A (en) * 1963-04-11 1967-03-28 Wilcox Electric Company Inc Method and apparatus for increasing the readability of amplitude modulated waves
GB1076686A (en) * 1964-10-16 1967-07-19 Ibm Improvements in or relating to data transmission systems
US3462687A (en) * 1965-05-28 1969-08-19 Bell Telephone Labor Inc Automatic phase control for a multilevel coded vestigial sideband data system
NL157472B (nl) * 1968-10-02 1978-07-17 Philips Nv Ontvanger voor de ontvangst van in een voorgeschreven overdrachtsband gelegen informatiepulssignalen.
US3581207A (en) * 1969-08-06 1971-05-25 Robert W Chang Joint setting of demodulating carrier phase, sampling time and equalizer gain parameters in synchronous data transmission systems
NL166592C (nl) * 1970-07-25 1981-08-17 Philips Nv Transmissiestelsel voor informatie-overdracht bij zeer lage signaal-ruisverhoudingen.
US3772598A (en) * 1971-12-07 1973-11-13 Philips Corp Transmission system for the transmission of pulses

Also Published As

Publication number Publication date
CA1023013A (en) 1977-12-20
IE38040B1 (en) 1977-12-07
DK134959B (da) 1977-02-14
NL7310091A (it) 1974-01-22
GB1421974A (it) 1976-01-21
DE2336355A1 (de) 1974-02-07
FI57198C (fi) 1980-06-10
DK134959C (it) 1977-07-25
US3891927A (en) 1975-06-24
NO143414B (no) 1980-10-27
IE38040L (en) 1974-01-19
LU68026A1 (it) 1974-01-21
NO143414C (no) 1981-02-04
FI57198B (fi) 1980-02-29

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