CA1083235A - Digital phase lock loop circuit - Google Patents

Digital phase lock loop circuit

Info

Publication number
CA1083235A
CA1083235A CA290,326A CA290326A CA1083235A CA 1083235 A CA1083235 A CA 1083235A CA 290326 A CA290326 A CA 290326A CA 1083235 A CA1083235 A CA 1083235A
Authority
CA
Canada
Prior art keywords
clock pulse
pulse
output
frequency divider
input
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.)
Expired
Application number
CA290,326A
Other languages
English (en)
French (fr)
Inventor
Shoichi Kurita
Yoshitaka Hiratsuka
Kazuya Shuto
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA1083235A publication Critical patent/CA1083235A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CA290,326A 1976-11-10 1977-11-07 Digital phase lock loop circuit Expired CA1083235A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13502676A JPS5360150A (en) 1976-11-10 1976-11-10 Instantaneous leading-in system for digital phase lock loop
JP135026/76 1976-11-10

Publications (1)

Publication Number Publication Date
CA1083235A true CA1083235A (en) 1980-08-05

Family

ID=15142188

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290,326A Expired CA1083235A (en) 1976-11-10 1977-11-07 Digital phase lock loop circuit

Country Status (4)

Country Link
US (1) US4143328A (enExample)
JP (1) JPS5360150A (enExample)
CA (1) CA1083235A (enExample)
ES (1) ES464023A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242639A (en) * 1978-09-05 1980-12-30 Ncr Corporation Digital phase lock circuit
US4354164A (en) * 1979-09-27 1982-10-12 Communications Satellite Corporation Digital phase lock loop for TIM frequency
IT1212796B (it) * 1983-12-12 1989-11-30 Ates Componenti Elettron Sincronizzatore di fase di tipo digitale per segnali isofrequenziali, particolarmente per demodulatore di segnali.
US4689804A (en) * 1985-08-14 1987-08-25 Racal Data Communications Inc. Method and apparatus for reduction of sinusoidal phase jitter in a high speed data modem
US4803680A (en) * 1985-12-27 1989-02-07 Nec Corporation Destuffing circuit with a digital phase-locked loop
JPH0441634Y2 (enExample) * 1990-06-21 1992-09-30
IT1251352B (it) * 1990-06-27 1995-05-08 St Microelectronics Srl Dispositivo automatico ad ampio spettro operativo per il cambio di frequenza nella deflessione orizzontale di monitor a multisincronismo
US5111150A (en) * 1990-09-26 1992-05-05 Garmin Corporation Precision phase shift system
US5272729A (en) * 1991-09-20 1993-12-21 International Business Machines Corporation Clock signal latency elimination network
US6609781B2 (en) 2000-12-13 2003-08-26 Lexmark International, Inc. Printer system with encoder filtering arrangement and method for high frequency error reduction
US7908080B2 (en) 2004-12-31 2011-03-15 Google Inc. Transportation routing
US8461933B2 (en) * 2010-10-26 2013-06-11 Mediatek Inc. Device and method for frequency calibration and phase-locked loop using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781695A (en) * 1972-05-04 1973-12-25 Westinghouse Electric Corp Digital phase-locked-loop
JPS4999260A (enExample) * 1973-01-26 1974-09-19
US3872397A (en) * 1973-11-07 1975-03-18 King Radio Corp Method and apparatus for decreasing channel spacing in digital frequency synthesizers
US3988696A (en) * 1975-11-28 1976-10-26 The Bendix Corporation Phase lock detector for digital frequency synthesizer
US4001713A (en) * 1976-01-15 1977-01-04 Gte Sylvania Incorporated Phase lock loop circuit

Also Published As

Publication number Publication date
JPS5745496B2 (enExample) 1982-09-28
US4143328A (en) 1979-03-06
ES464023A1 (es) 1978-07-16
JPS5360150A (en) 1978-05-30

Similar Documents

Publication Publication Date Title
CA1083235A (en) Digital phase lock loop circuit
US5159279A (en) Apparatus and method for detecting out-of-lock condition in a phase lock loop
EP0375770A1 (en) QUICK LOCKING PHASE CONTROL CIRCUIT BY FREQUENCY EVALUATION.
GB2363009A (en) Digital phase locked loop having a plurality of multi-stage delay lines
GB1526711A (en) Clock regenerator circuit arrangement
EP0007209B1 (en) Demodulator arrangement for diphase digitally modulated signals
US5117135A (en) Frequency and phase detection circuit in NRZ bit synchronous system
US5430772A (en) Bit synchronizer for NRZ data
HK19591A (en) Timing recovery circuit for manchester coded data
US4466110A (en) Artificial sync signal adding circuit
US5459765A (en) Phase comparator for biphase coded signal including preamble with code violation
US6298104B1 (en) Clock recovery circuit
JPS5923496B2 (ja) タイミング抽出方式
KR950007435B1 (ko) 클럭 복원 회로
US5235290A (en) Method and apparatus for smoothing out phase fluctuations in a monitored signal
JP3175217B2 (ja) デジタルｐｌｌ回路
JP3204175B2 (ja) クロック位相同期回路
JPH0254622A (ja) タイミング再生回路
JP2535635B2 (ja) 位相同期回路
JP2763709B2 (ja) ビット・ダイビット変換回路
JP2748746B2 (ja) 位相同期発振器
JPS6347389B2 (enExample)
JPH07326963A (ja) デジタルｐｌｌ回路
KR0123182Y1 (ko) 위상동기 루프회로의 동기시간 최소화장치
JPS60251741A (ja) 識別回路

Legal Events

Date Code Title Description
MKEX Expiry