IT7928373A0 - Apparecchiatura di recupero di portante per onde modulate in fase. - Google Patents

Apparecchiatura di recupero di portante per onde modulate in fase.

Info

Publication number
IT7928373A0
IT7928373A0 IT7928373A IT2837379A IT7928373A0 IT 7928373 A0 IT7928373 A0 IT 7928373A0 IT 7928373 A IT7928373 A IT 7928373A IT 2837379 A IT2837379 A IT 2837379A IT 7928373 A0 IT7928373 A0 IT 7928373A0
Authority
IT
Italy
Prior art keywords
phase modulated
carrier recovery
recovery equipment
modulated waves
waves
Prior art date
Application number
IT7928373A
Other languages
English (en)
Other versions
IT1209166B (it
Inventor
Shinmyo Saburo
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of IT7928373A0 publication Critical patent/IT7928373A0/it
Application granted granted Critical
Publication of IT1209166B publication Critical patent/IT1209166B/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/10Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/101Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop
    • H03L7/102Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop the additional signal being directly applied to the controlled loop oscillator
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/324Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2272Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/14Preventing false-lock or pseudo-lock of the PLL
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00Oscillators
    • Y10S331/02Phase locked loop having lock indicating or detecting means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT7928373A 1978-12-27 1979-12-21 Apparecchiatura di recupero di portante per onde modulate in fase. IT1209166B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53164883A JPS5835428B2 (ja) 1978-12-27 1978-12-27 搬送波再生回路

Publications (2)

Publication Number Publication Date
IT7928373A0 true IT7928373A0 (it) 1979-12-21
IT1209166B IT1209166B (it) 1989-07-10

Family

ID=15801705

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7928373A IT1209166B (it) 1978-12-27 1979-12-21 Apparecchiatura di recupero di portante per onde modulate in fase.

Country Status (4)

Country Link
US (1) US4297650A (it)
JP (1) JPS5835428B2 (it)
CA (1) CA1128613A (it)
IT (1) IT1209166B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164918U (ja) * 1983-04-21 1984-11-05 ソニー株式会社 ビデオ信号及びデイジタル信号の再生装置
US4574254A (en) * 1984-05-24 1986-03-04 At&T Bell Laboratories Phase-lock loop circuit providing very fast acquisition time
US4713630A (en) * 1986-07-29 1987-12-15 Communications Satellite Corporation BPSK Costas-type PLL circuit having false lock prevention
US4769691A (en) * 1987-03-02 1988-09-06 Rca Licensing Corporation Burst locked oscillator with side-lock protection
JPH0720249B2 (ja) * 1987-09-10 1995-03-06 三洋電機株式会社 Pll回路
CA2010265C (en) * 1989-02-17 1994-03-08 Hiroshi Horie Phase-locked loop apparatus
ES2108631B1 (es) * 1995-03-31 1998-07-01 Alcatel Standard Electrica Recuperador de reloj de datos.
JP2000278344A (ja) * 1999-03-25 2000-10-06 Sanyo Electric Co Ltd 疑似ロック検出システム
US6801092B1 (en) * 2003-04-08 2004-10-05 Broadcom Corp. Phase locked loop that avoids false locking
US8014724B2 (en) 1999-10-21 2011-09-06 Broadcom Corporation System and method for signal limiting
JP2002158582A (ja) 2000-11-20 2002-05-31 Mitsubishi Electric Corp Pll回路
US20030039013A1 (en) * 2001-08-27 2003-02-27 Jones David J. Dynamic dispersion compensation in high-speed optical transmission systems
US6617932B2 (en) * 2001-08-27 2003-09-09 Axe, Inc. System and method for wide dynamic range clock recovery
WO2005096578A1 (en) * 2004-03-22 2005-10-13 Thomson Licensing Method and apparatus for use in carrier recovery in a communications system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768030A (en) * 1972-05-08 1973-10-23 Motorola Inc Automatic signal acquisition means for phase-lock loop with anti- sideband lock protection
US4000476A (en) * 1974-12-19 1976-12-28 Digital Communications Corporation Phase locked loop with circuit for preventing sidelock

Also Published As

Publication number Publication date
IT1209166B (it) 1989-07-10
JPS5835428B2 (ja) 1983-08-02
CA1128613A (en) 1982-07-27
US4297650A (en) 1981-10-27
JPS5590166A (en) 1980-07-08

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