FI940392A0 - Krets för generering av en fasdifferenssignal - Google Patents

Krets för generering av en fasdifferenssignal

Info

Publication number
FI940392A0
FI940392A0 FI940392A FI940392A FI940392A0 FI 940392 A0 FI940392 A0 FI 940392A0 FI 940392 A FI940392 A FI 940392A FI 940392 A FI940392 A FI 940392A FI 940392 A0 FI940392 A0 FI 940392A0
Authority
FI
Finland
Prior art keywords
generating
circuit
phase difference
difference signal
signal
Prior art date
Application number
FI940392A
Other languages
English (en)
Finnish (fi)
Other versions
FI940392A (sv
Inventor
Joannes Mathilda Jos Sevenhans
Peter Paul Frans Reusens
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of FI940392A0 publication Critical patent/FI940392A0/sv
Publication of FI940392A publication Critical patent/FI940392A/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • 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
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FI940392A 1993-01-28 1994-01-26 Krets för generering av en fasdifferenssignal FI940392A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93200224A EP0608577A1 (en) 1993-01-28 1993-01-28 GMSK modulator with automatic calibration

Publications (2)

Publication Number Publication Date
FI940392A0 true FI940392A0 (sv) 1994-01-26
FI940392A FI940392A (sv) 1994-07-29

Family

ID=8213594

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940392A FI940392A (sv) 1993-01-28 1994-01-26 Krets för generering av en fasdifferenssignal

Country Status (4)

Country Link
EP (1) EP0608577A1 (sv)
JP (1) JPH077530A (sv)
CA (1) CA2114384A1 (sv)
FI (1) FI940392A (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0707379A1 (en) * 1994-10-11 1996-04-17 BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap Tunable quadrature phase shifter
US5995541A (en) * 1995-10-13 1999-11-30 Philips Electronics North America Corporation Method and apparatus for self-calibration and testing of ZPSK transmitter/receiver IC's
US5901346A (en) * 1996-12-11 1999-05-04 Motorola, Inc. Method and apparatus utilizing a compensated multiple output signal source
GB2334187A (en) * 1998-02-04 1999-08-11 Motorola Ltd Quadrature modulator with automatic compensation
FI107100B (sv) 1999-03-26 2001-05-31 Nokia Networks Oy Korrigering av en I/Q-modulators fas- och amplitud obalans
FI107212B (sv) 1999-03-26 2001-06-15 Nokia Networks Oy Korrigering av I/Q-modulators likspänningsförflyttning
FI990680A (sv) 1999-03-26 2000-09-27 Nokia Networks Oy Korrigering av en I/Q-modulators olinjäritet
WO2001035592A1 (de) * 1999-11-09 2001-05-17 Siemens Aktiengesellschaft Verfahren und testgerät zur ermittlung und korrektur eines gleichspannungsversatzes an einem modulator
CN102291365B (zh) * 2010-06-21 2015-04-01 中兴通讯股份有限公司 基于i/q调制解调器的调制解调方法及装置
CN115080498B (zh) * 2022-07-27 2022-11-08 成都奇芯微电子有限公司 基于卫星导航应用的信号数据存储方法以及存储芯片

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6436153A (en) * 1987-07-31 1989-02-07 Nec Corp Quadruple phase modulator
FR2641923B1 (fr) * 1989-01-19 1991-03-22 Alcatel Thomson Faisceaux Procede d'asservissement des parametres d'un modulateur a 2n etats de phase et d'amplitude, et dispositif de mise en oeuvre de ce procede

Also Published As

Publication number Publication date
FI940392A (sv) 1994-07-29
JPH077530A (ja) 1995-01-10
EP0608577A1 (en) 1994-08-03
CA2114384A1 (en) 1994-07-29

Similar Documents

Publication Publication Date Title
DE69232753D1 (de) Feststoff-phase erweiterungsverfahren
DE69112232D1 (de) Pulsphasendifferenz-Kodierschaltung.
DE69815770D1 (de) PLL-Schaltkreis mit maskiertem Phasenfehler-Signal
EP0457567A3 (en) Tracking error signal generator
NO942171L (no) Skifting av fase ved et klokkesignal
DE69310165D1 (de) Phasenwahl bei erdfehler
DE69316157D1 (de) Phasensynchronisierungsschaltungen
FI940392A0 (sv) Krets för generering av en fasdifferenssignal
DE69609998D1 (de) Symmetrische Phasenteilerschaltung
GB2281484B (en) Phase detecting circuit
DE69410973D1 (de) Oszillatorschaltung
DE69629545D1 (de) Digitale Phasenregelkreisschaltung
DE69330310D1 (de) Digitaler phasenschieber
GB2247368B (en) Phase modulation signal generator
DE69424619D1 (de) Oszillatorschaltung
DE69321002D1 (de) Phasenregelschaltung
DE59107631D1 (de) Oszillatorschaltung
DE59304127D1 (de) Signalgeber
FI940303A (sv) Mottagning av en televisionssignal
DE69505363D1 (de) Abtrennung des synchronisationssignals mit einer phasenregelschaltung
GB2256078B (en) A circuit for generating a disk change signal
GB2250648B (en) Phase modulation signal generator
AU8689791A (en) Phase comparing circuitry having an unlock alarm generating circuit
KR940001833U (ko) 드럼모터의 위상신호 발생회로
KR950002447U (ko) 위상 비교회로

Legal Events

Date Code Title Description
FD Application lapsed