HK100795A - Multiple frequency digital phase locked loop - Google Patents

Multiple frequency digital phase locked loop

Info

Publication number
HK100795A
HK100795A HK100795A HK100795A HK100795A HK 100795 A HK100795 A HK 100795A HK 100795 A HK100795 A HK 100795A HK 100795 A HK100795 A HK 100795A HK 100795 A HK100795 A HK 100795A
Authority
HK
Hong Kong
Prior art keywords
locked loop
digital phase
clock signal
phase
multiple frequency
Prior art date
Application number
HK100795A
Other languages
English (en)
Inventor
Steven N Levine
Original Assignee
Motorola 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
Priority claimed from US06/567,724 external-priority patent/US4573017A/en
Priority claimed from US06/567,714 external-priority patent/US4617520A/en
Priority claimed from US06/567,715 external-priority patent/US4574243A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of HK100795A publication Critical patent/HK100795A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/662—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by adding or suppressing pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
    • H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider
    • H03L7/0993—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider and a circuit for adding and deleting pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0331—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
HK100795A 1984-01-03 1995-06-22 Multiple frequency digital phase locked loop HK100795A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US56772584A 1984-01-03 1984-01-03
US06/567,724 US4573017A (en) 1984-01-03 1984-01-03 Unitary phase and frequency adjust network for a multiple frequency digital phase locked loop
US06/567,714 US4617520A (en) 1984-01-03 1984-01-03 Digital lock detector for a phase-locked loop
US06/567,715 US4574243A (en) 1984-01-03 1984-01-03 Multiple frequency digital phase locked loop
PCT/US1984/002133 WO1985003176A1 (en) 1984-01-03 1984-12-31 Multiple frequency digital phase locked loop

Publications (1)

Publication Number Publication Date
HK100795A true HK100795A (en) 1995-06-30

Family

ID=27504867

Family Applications (1)

Application Number Title Priority Date Filing Date
HK100795A HK100795A (en) 1984-01-03 1995-06-22 Multiple frequency digital phase locked loop

Country Status (11)

Country Link
EP (2) EP0168426B1 (xx)
JP (4) JPH0744447B2 (xx)
KR (1) KR940002449B1 (xx)
AT (1) ATE150916T1 (xx)
AU (1) AU573682B2 (xx)
DE (1) DE3486447T2 (xx)
ES (4) ES8702009A1 (xx)
HK (1) HK100795A (xx)
MX (1) MX157636A (xx)
SG (1) SG28382G (xx)
WO (1) WO1985003176A1 (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05252153A (ja) * 1992-03-03 1993-09-28 Fujitsu Ltd ディジタル・ループフィルタ
US5654991A (en) * 1995-07-31 1997-08-05 Harris Corporation Fast acquisition bit timing loop method and apparatus
JP3171162B2 (ja) 1998-04-02 2001-05-28 日本電気株式会社 Ｐｌｌ回路
US6233020B1 (en) * 1998-08-07 2001-05-15 Thomson Licensing S.A. Phase lock loop with selectable response
US6891441B2 (en) 2002-11-15 2005-05-10 Zoran Corporation Edge synchronized phase-locked loop circuit
CN1989751B (zh) 2004-07-15 2011-07-13 汤姆森特许公司 改进的载波恢复的系统和方法
US8035653B2 (en) 2006-10-27 2011-10-11 Hewlett-Packard Development Company, L.P. Dynamically adjustable elements of an on-screen display

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644721A (en) * 1970-11-09 1972-02-22 Gen Motors Corp Apparatus and method for digital frequency addition and subtraction
US4051440A (en) * 1973-05-15 1977-09-27 Tektronix, Inc. Phase locked demodulator
US4014025A (en) * 1975-03-24 1977-03-22 The Cessna Aircraft Company Scalloping suppression system and method
US3982190A (en) * 1975-07-31 1976-09-21 Rockwell International Corporation Phaselock circuitry with lock indication
US3988696A (en) * 1975-11-28 1976-10-26 The Bendix Corporation Phase lock detector for digital frequency synthesizer
JPS601984B2 (ja) * 1976-10-22 1985-01-18 日本電気株式会社 デイジタルｐｌｌ回路
JPS6058609B2 (ja) * 1977-05-17 1985-12-20 三洋電機株式会社 デイジタル型位相比較器
US4122405A (en) * 1977-10-21 1978-10-24 National Semiconductor Corporation Digital logic level signal indication of phase and frequency lock condition in a phase-locked loop
US4219784A (en) * 1978-10-27 1980-08-26 Westinghouse Electric Corp. Phase detection system using sample and hold technique, and phase locked loop using such phase detection system
JPS561626A (en) * 1979-06-18 1981-01-09 Anritsu Corp Lock indicator for phase synchronous circuit
JPS6010458B2 (ja) * 1979-08-23 1985-03-18 富士通株式会社 フエ−ズ・ロツクド・ル−プ回路
US4308619A (en) * 1979-12-26 1981-12-29 General Electric Company Apparatus and methods for synchronizing a digital receiver
US4345219A (en) * 1980-02-14 1982-08-17 E-Systems, Inc. Frequency agile hold-sample-hold phase detector
US4330758A (en) * 1980-02-20 1982-05-18 Motorola, Inc. Synchronized frequency synthesizer with high speed lock
JPS5944814B2 (ja) * 1980-02-29 1984-11-01 沖電気工業株式会社 位相比較回路
EP0060862B1 (de) * 1980-09-29 1984-12-05 Hasler AG Schaltungsanordnung zur erzeugung einer regelspannung in abhängigkeit von der frequenz- oder phasendifferenz und verwendung der schaltungsanordnung
JPS58171131A (ja) * 1982-03-31 1983-10-07 Fujitsu Ltd Ｐｌｌ電圧制御発振器のドリフト検出回路
US4456890A (en) * 1982-04-05 1984-06-26 Computer Peripherals Inc. Data tracking clock recovery system using digitally controlled oscillator
AU568051B2 (en) * 1983-02-16 1987-12-10 Nec Corporation Frequency stabilisation circuit

Also Published As

Publication number Publication date
ES550912A0 (es) 1987-11-16
EP0490178B1 (en) 1997-03-26
JP2770204B2 (ja) 1998-06-25
JPH0744447B2 (ja) 1995-05-15
WO1985003176A1 (en) 1985-07-18
EP0168426A4 (en) 1988-05-10
DE3486447T2 (de) 1997-10-23
JPS61501002A (ja) 1986-05-15
EP0490178A1 (en) 1992-06-17
ATE150916T1 (de) 1997-04-15
EP0168426B1 (en) 1992-08-19
ES539342A0 (es) 1986-12-01
KR850700194A (ko) 1985-10-25
AU3787785A (en) 1985-07-30
ES550913A0 (es) 1987-11-01
JPH0738428A (ja) 1995-02-07
ES8800803A1 (es) 1987-11-16
EP0168426A1 (en) 1986-01-22
AU573682B2 (en) 1988-06-16
MX157636A (es) 1988-12-07
DE3486447D1 (de) 1997-04-30
JP2541398B2 (ja) 1996-10-09
ES550914A0 (es) 1987-11-16
SG28382G (en) 1995-09-01
ES8800801A1 (es) 1987-11-16
JPH0738426A (ja) 1995-02-07
ES8800442A1 (es) 1987-11-01
JPH0738427A (ja) 1995-02-07
ES8702009A1 (es) 1986-12-01
KR940002449B1 (ko) 1994-03-24

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)