DE2317675A1 - Signalmodulator - Google Patents

Signalmodulator

Info

Publication number
DE2317675A1
DE2317675A1 DE2317675A DE2317675A DE2317675A1 DE 2317675 A1 DE2317675 A1 DE 2317675A1 DE 2317675 A DE2317675 A DE 2317675A DE 2317675 A DE2317675 A DE 2317675A DE 2317675 A1 DE2317675 A1 DE 2317675A1
Authority
DE
Germany
Prior art keywords
phase
signal
frequency
signals
coherent
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.)
Pending
Application number
DE2317675A
Other languages
German (de)
English (en)
Inventor
Douglas Macpherson Brady
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE2317675A1 publication Critical patent/DE2317675A1/de
Pending legal-status Critical Current

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
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Optical Communication System (AREA)
DE2317675A 1972-04-12 1973-04-07 Signalmodulator Pending DE2317675A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24331972A 1972-04-12 1972-04-12

Publications (1)

Publication Number Publication Date
DE2317675A1 true DE2317675A1 (de) 1973-10-18

Family

ID=22918265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2317675A Pending DE2317675A1 (de) 1972-04-12 1973-04-07 Signalmodulator

Country Status (6)

Country Link
US (1) US3750051A (US20100223739A1-20100909-C00003.png)
JP (1) JPS4918255A (US20100223739A1-20100909-C00003.png)
BE (1) BE797939A (US20100223739A1-20100909-C00003.png)
DE (1) DE2317675A1 (US20100223739A1-20100909-C00003.png)
FR (1) FR2179916A1 (US20100223739A1-20100909-C00003.png)
IT (1) IT980147B (US20100223739A1-20100909-C00003.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909750A (en) * 1974-06-10 1975-09-30 Bell Telephone Labor Inc Apparatus for encoding a binary signal into a frequency modulated coherent phase-shift keyed signal
US4290140A (en) * 1978-02-23 1981-09-15 Northrop Corporation Combined coherent frequency and phase shift keying modulation system
FR2469063B1 (fr) * 1979-10-31 1987-10-23 Brossard Pierre Modulations binaires a deplacement de phase et modulateurs

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242262A (en) * 1961-09-21 1966-03-22 Ibm Method and apparatus for transmitting binary data
US3307152A (en) * 1963-05-31 1967-02-28 Gen Electric Data transmission system with control character insertions
US3601701A (en) * 1969-09-25 1971-08-24 Collins Radio Co Bi-phase keyed modulator-demodulator system
GB1324998A (en) * 1969-11-19 1973-07-25 Emi Ltd Phase modulators
GB1304188A (US20100223739A1-20100909-C00003.png) * 1969-12-09 1973-01-24

Also Published As

Publication number Publication date
US3750051A (en) 1973-07-31
IT980147B (it) 1974-09-30
JPS4918255A (US20100223739A1-20100909-C00003.png) 1974-02-18
FR2179916A1 (US20100223739A1-20100909-C00003.png) 1973-11-23
BE797939A (fr) 1973-07-31

Similar Documents

Publication Publication Date Title
DE2912268C2 (de) Dekoder-Schaltungsanordnung zur Dekodierung eines digitalen Informationssignals
DE3544820A1 (de) Taktfrequenzteilerschaltung
DE2703395A1 (de) System zum rueckgewinnen kodierter binaerinformation
DE2459885C2 (de) Schaltung zur Dekodierung eines dynamisch modulierten Signals
DE2700429B2 (de) Modulationseinrichtung mit Phasensynchronisierungsschleife
DE3212453C2 (US20100223739A1-20100909-C00003.png)
DE3026988A1 (de) Schaltungsanordnung und verfahren zur erzeugung eines mudulationsformates fuer die uebertragung von mehrfach-breitbandsignalen
DE1541384A1 (de) Diskriminatorschaltung
DE3906094C2 (de) Digitale Phasen/Frequenz-Detektorschaltung
DE1816033C3 (US20100223739A1-20100909-C00003.png)
DE2712974B1 (de) Schaltungsanordnung zum Erzeugen von Signalen im Code-Mark-Inversion-Code
DE2850555C2 (US20100223739A1-20100909-C00003.png)
DE1816033B2 (de) Sendevorrichtung zur uebertragung von impulsen
DE2317675A1 (de) Signalmodulator
DE2734305A1 (de) Verfahren zur kodierung einer bitfolge der bitfrequenz f und schaltungsanordnungen zur anwendung dieses verfahrens
DE2009036C3 (de) Schaltungsanordnung zur digitalen Frequenzmodulation
EP0019821A2 (de) Verfahren und Anordnung zur Übertragung einer Binärfolge
DE1512156B2 (de) Verfahren und vorrichtung zur demodulation von traegerwellen, die durch zwei binaer kodierte signale phasenmoduliert sind
DE2847833C2 (de) Einrichtung zur Verarbeitung binärdigitaler und kodierter Datensignale
DE1297648B (de) Verfahren und Schaltungsanordnung zur UEbertragung von binaer-kodierten Daten durch Anwendung von Frequenzmodulation
DE2707116A1 (de) Sinusgenerator mit digitaler frequenz- oder phasenmodulierung
DE2532287C2 (de) Übertragungssystem für unipolare Signale
DE2221084C3 (de) Kohärentes Datenübertragungsverfahren
DE2427603A1 (de) Schaltungsanordnung zum nachbilden der wellenform von telegrafieschrittimpulsen mit digitalen mitteln
DE2850129A1 (de) Schaltungsanordnung zur umwandlung von binaeren digitalsignalen in pseudoternaere wechselimpulse