IT1014590B - Correttore automatico di frequenza in modulazione di fase differenzia le - Google Patents

Correttore automatico di frequenza in modulazione di fase differenzia le

Info

Publication number
IT1014590B
IT1014590B IT21332/74A IT2133274A IT1014590B IT 1014590 B IT1014590 B IT 1014590B IT 21332/74 A IT21332/74 A IT 21332/74A IT 2133274 A IT2133274 A IT 2133274A IT 1014590 B IT1014590 B IT 1014590B
Authority
IT
Italy
Prior art keywords
phase difference
automatic frequency
difference modulation
frequency corrector
corrector
Prior art date
Application number
IT21332/74A
Other languages
English (en)
Italian (it)
Original Assignee
Lannionnais Electronique
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 Lannionnais Electronique filed Critical Lannionnais Electronique
Application granted granted Critical
Publication of IT1014590B publication Critical patent/IT1014590B/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
    • H04L27/22—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
IT21332/74A 1973-04-19 1974-04-12 Correttore automatico di frequenza in modulazione di fase differenzia le IT1014590B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7314467A FR2226790B1 (enExample) 1973-04-19 1973-04-19

Publications (1)

Publication Number Publication Date
IT1014590B true IT1014590B (it) 1977-04-30

Family

ID=9118286

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21332/74A IT1014590B (it) 1973-04-19 1974-04-12 Correttore automatico di frequenza in modulazione di fase differenzia le

Country Status (12)

Country Link
US (1) US3919651A (enExample)
JP (1) JPS5010946A (enExample)
BE (1) BE813404A (enExample)
CA (1) CA1051983A (enExample)
DE (1) DE2416715A1 (enExample)
FR (1) FR2226790B1 (enExample)
GB (1) GB1438252A (enExample)
IE (1) IE39196B1 (enExample)
IT (1) IT1014590B (enExample)
LU (1) LU69826A1 (enExample)
NL (1) NL7405289A (enExample)
SE (1) SE389953B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973212A (en) * 1975-08-28 1976-08-03 Rockwell International Corporation Phase detection in phase lock loop circuit
US4520493A (en) * 1981-12-07 1985-05-28 Hughes Aircraft Company Adaptive recursive frequency offset tracking system
FR2544571B1 (fr) * 1983-04-12 1985-06-14 Prigent Jean Pierre Recuperation des frequences de porteuse et de rythme pour les systemes de transmission numerique a modulation a etats de phase ou d'amplitude et a demodulation coherente
US5027352A (en) * 1989-01-05 1991-06-25 Motorola, Inc. Receiver frequency offset bias circuit for TDM radios
EP0735730A3 (en) * 1995-03-28 1999-07-07 Matsushita Electric Industrial Co., Ltd. Automatic frequency controller
US6665356B1 (en) * 1999-06-10 2003-12-16 Agere Systems Inc. Sample timing control for demodulation of phase-modulated signals
US6567486B1 (en) * 1999-07-26 2003-05-20 Lucent Technologies Inc. Apparatus and method for finding location of a mobile unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758413A (fr) * 1969-11-04 1971-05-03 Philips Nv Recepteur pour impulsions modulant une porteuse et situees dansune bande de frequence determinee
DE2049059C3 (de) * 1970-10-06 1978-11-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Ausregelung von Phasenfehlern beim Empfang phasengetasteter Signale
US3753114A (en) * 1971-12-02 1973-08-14 Culbertson Ind Inc Method and apparatus for the recovery of synchronous carrier in a digital communication system
US3838350A (en) * 1972-08-04 1974-09-24 Westinghouse Electric Corp Differential encoded quadriphase demodulator
US3787775A (en) * 1973-03-28 1974-01-22 Trw Inc Phase correction circuit

Also Published As

Publication number Publication date
LU69826A1 (enExample) 1974-11-21
FR2226790A1 (enExample) 1974-11-15
IE39196B1 (en) 1978-08-16
GB1438252A (en) 1976-06-03
DE2416715A1 (de) 1974-10-31
FR2226790B1 (enExample) 1977-08-19
CA1051983A (fr) 1979-04-03
NL7405289A (enExample) 1974-10-22
SE389953B (sv) 1976-11-22
US3919651A (en) 1975-11-11
JPS5010946A (enExample) 1975-02-04
IE39196L (en) 1974-10-19
BE813404A (fr) 1974-10-08

Similar Documents

Publication Publication Date Title
IT1030818B (it) Recivitore per segnali rf modulati in frequenza
NL7413655A (nl) Automatische frequentie- en fasevergelijkings- schakeling.
AT347621B (de) Dauer-kaffeefilter
DK145157C (da) Analogifremgangsmaade til fremstilling af penicilliner
AT336209B (de) Dauer-kaffeefilter
IT1022418B (it) Ricevitore a modulazione di frequenza con un anello sincronizzato in fase come demodulatore
CA1014627A (en) Variable oscillator
IT1015189B (it) Radioricevitore a modulazione di frequenza modulazione d ampiezza
IT994459B (it) Correttore di fase
SE397615B (sv) Felseker oscillatorkrets
ZA743825B (en) Expansible dowel
IT1014590B (it) Correttore automatico di frequenza in modulazione di fase differenzia le
SE395092B (sv) Faskorrelator
IT1014589B (it) Correttore automatico di frequen za per demodulatore di fase diffe renziale
SE398027B (sv) Frekvenskenslig forjoniserare
SE402681B (sv) Mottagarmodulator
IT1022787B (it) Discriminatore di fase
AT371636B (de) Phasendemodulator
NO145453C (no) Koblingsanordning til frekvensdifferensiell fasemodulasjon
NO140804C (no) Modulasjonsgenerator
FR2313355A1 (fr) Ammonoxydation en phase vapeur
ZA744214B (en) Expansible dowel
BE823551A (fr) Modulateur de phase
BE830798A (fr) Modulateur de phase hyperfrequence
IT1015491B (it) Demodulatore per segnali modulati in frequenza