DK141859C - Kobling til frekvensdifferentiel fasemodulation - Google Patents

Kobling til frekvensdifferentiel fasemodulation

Info

Publication number
DK141859C
DK141859C DK263674A DK263674A DK141859C DK 141859 C DK141859 C DK 141859C DK 263674 A DK263674 A DK 263674A DK 263674 A DK263674 A DK 263674A DK 141859 C DK141859 C DK 141859C
Authority
DK
Denmark
Prior art keywords
connection
phase modulation
differential phase
frequency differential
frequency
Prior art date
Application number
DK263674A
Other languages
Danish (da)
English (en)
Other versions
DK141859B (da
Inventor
E Burger
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of DK141859B publication Critical patent/DK141859B/da
Application granted granted Critical
Publication of DK141859C publication Critical patent/DK141859C/da

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
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2075—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the change in carrier phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Networks Using Active Elements (AREA)
DK263674A 1973-05-15 1974-05-14 Kobling til frekvensdifferentiel fasemodulation DK141859C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2324542A DE2324542C3 (de) 1973-05-15 1973-05-15 Schaltungsanordnung zur frequenzdifferenziellen Phasenmodulation
DE2324542 1973-05-15

Publications (2)

Publication Number Publication Date
DK141859B DK141859B (da) 1980-06-30
DK141859C true DK141859C (da) 1980-11-17

Family

ID=5880999

Family Applications (1)

Application Number Title Priority Date Filing Date
DK263674A DK141859C (da) 1973-05-15 1974-05-14 Kobling til frekvensdifferentiel fasemodulation

Country Status (13)

Country Link
US (1) US3921103A (xx)
JP (1) JPS5019346A (xx)
BE (1) BE815066A (xx)
DE (1) DE2324542C3 (xx)
DK (1) DK141859C (xx)
FI (1) FI59517C (xx)
FR (1) FR2230133B1 (xx)
GB (1) GB1445185A (xx)
IT (1) IT1012241B (xx)
LU (1) LU70063A1 (xx)
NL (1) NL7405688A (xx)
NO (1) NO145453C (xx)
ZA (1) ZA742153B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130731A (en) * 1976-12-29 1978-12-19 International Mobile Machines Incorporated Portable telephone system
DE2802784A1 (de) * 1978-01-23 1979-07-26 Siemens Ag Schaltungsanordnung zum korrigieren von frequenzfehlern bei einer uebertragung von daten
JPH0310570Y2 (xx) * 1985-02-20 1991-03-15
JPH0310569Y2 (xx) * 1985-02-20 1991-03-15
JPH0310568Y2 (xx) * 1985-02-20 1991-03-15
US4807261A (en) * 1987-10-26 1989-02-21 Motorola, Inc. Automatic channel polarity detection and correction arrangement and method
WO2009122333A2 (en) * 2008-03-31 2009-10-08 Nxp B.V. Digital modulator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3131363A (en) * 1960-05-18 1964-04-28 Collins Radio Co Instantaneous phase-pulse modulator
US3341776A (en) * 1964-01-13 1967-09-12 Collins Radio Co Error sensitive binary transmission system wherein four channels are transmitted via one carrier wave
FR1403768A (fr) * 1964-05-12 1965-06-25 Cit Alcatel Télégraphie à modulation trivalente
US3739277A (en) * 1969-06-02 1973-06-12 Hallicrafters Co Digital data transmission system utilizing phase shift keying
US3619503A (en) * 1969-11-18 1971-11-09 Int Communications Corp Phase and amplitude modulated modem
US3816657A (en) * 1972-10-12 1974-06-11 Nasa Differential phase-shift-keyed communication system

Also Published As

Publication number Publication date
DE2324542B2 (de) 1978-05-24
FI59517C (fi) 1981-08-10
DE2324542C3 (de) 1979-01-25
JPS5019346A (xx) 1975-02-28
IT1012241B (it) 1977-03-10
GB1445185A (en) 1976-08-04
ZA742153B (en) 1975-03-26
NO741610L (no) 1974-11-18
NL7405688A (xx) 1974-11-19
DK141859B (da) 1980-06-30
BE815066A (fr) 1974-11-18
NO145453B (no) 1981-12-14
DE2324542A1 (de) 1974-12-05
FR2230133B1 (xx) 1977-06-24
LU70063A1 (xx) 1975-02-24
FI59517B (fi) 1981-04-30
NO145453C (no) 1982-04-28
FR2230133A1 (xx) 1974-12-13
US3921103A (en) 1975-11-18

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