DE68920004T2 - Sync-Detektorschaltung für Phasenregelschleife mit Frequenzteiler. - Google Patents
Sync-Detektorschaltung für Phasenregelschleife mit Frequenzteiler.Info
- Publication number
- DE68920004T2 DE68920004T2 DE68920004T DE68920004T DE68920004T2 DE 68920004 T2 DE68920004 T2 DE 68920004T2 DE 68920004 T DE68920004 T DE 68920004T DE 68920004 T DE68920004 T DE 68920004T DE 68920004 T2 DE68920004 T2 DE 68920004T2
- Authority
- DE
- Germany
- Prior art keywords
- locked loop
- frequency divider
- phase locked
- detector circuit
- sync detector
- 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 - Fee Related
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
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
-
- 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
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S331/00—Oscillators
- Y10S331/02—Phase locked loop having lock indicating or detecting means
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63278884A JPH02124637A (ja) | 1988-11-02 | 1988-11-02 | 同期検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68920004D1 DE68920004D1 (de) | 1995-01-26 |
DE68920004T2 true DE68920004T2 (de) | 1995-07-20 |
Family
ID=17603446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68920004T Expired - Fee Related DE68920004T2 (de) | 1988-11-02 | 1989-10-31 | Sync-Detektorschaltung für Phasenregelschleife mit Frequenzteiler. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5214677A (de) |
EP (1) | EP0367548B1 (de) |
JP (1) | JPH02124637A (de) |
DE (1) | DE68920004T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69204144T2 (de) * | 1991-11-25 | 1996-03-21 | Philips Electronics Nv | Phasenregelschleife mit Frequenzabweichungsdetektor und Decodierschaltung mit einer solchen Phasenregelschleife. |
US5347232A (en) * | 1992-05-15 | 1994-09-13 | Matsushita Electric Industrial Co. Ltd. | Phase locked loop clock generator |
JP3331711B2 (ja) * | 1993-11-24 | 2002-10-07 | ソニー株式会社 | クロック信号生成装置 |
US5502751A (en) * | 1994-06-30 | 1996-03-26 | Motorola, Inc. | Digital phase locked loop |
US5479458A (en) * | 1994-10-05 | 1995-12-26 | Tanaka; Yoshiaki | Digital phase shifter including 1/N for phase detect and subsequent VCO adjust |
US5656977A (en) * | 1996-01-05 | 1997-08-12 | International Business Machines Corporation | Frequency-lock indicator circuit with frequency-only detection |
US6389548B1 (en) * | 1999-04-12 | 2002-05-14 | Liam Bowles | Pulse run-length measurement for HF data signal by dividing accumulated phase difference between first and second zero-crossings by single-cycle range using multiple cycle range sawtooth waveform |
US6662305B1 (en) * | 1999-11-23 | 2003-12-09 | Intel Corporation | Fast re-synchronization of independent domain clocks after powerdown to enable fast system start-up |
US6639459B1 (en) * | 2002-04-25 | 2003-10-28 | Celio Semiconductor Corporation | Demodulator using digital circuitry |
US7317359B2 (en) * | 2006-02-08 | 2008-01-08 | Seiko Epson Corporation | Circuits and methods for phase locked loop lock window detection |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4584537A (en) * | 1985-04-17 | 1986-04-22 | Burroughs Corporation | Synchronized oscillator lock detector |
JPS63109610A (ja) * | 1986-10-28 | 1988-05-14 | Matsushita Electric Ind Co Ltd | Pll回路の同期確立検出方法 |
US4791488A (en) * | 1987-08-12 | 1988-12-13 | Rca Licensing Corporation | Line-locked clock signal generation system |
GB2223136B (en) * | 1988-03-28 | 1992-10-14 | Plessey Co Plc | Broad band vco control system for clock recovery |
US4875108A (en) * | 1988-08-02 | 1989-10-17 | Magnetic Peripherals Inc. | Phase lock loop |
US4933959A (en) * | 1989-05-08 | 1990-06-12 | Datatape Incorporated | Tracking bit synchronizer |
-
1988
- 1988-11-02 JP JP63278884A patent/JPH02124637A/ja active Pending
-
1989
- 1989-10-31 EP EP89311211A patent/EP0367548B1/de not_active Expired - Lifetime
- 1989-10-31 DE DE68920004T patent/DE68920004T2/de not_active Expired - Fee Related
- 1989-10-31 US US07/429,409 patent/US5214677A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0367548A2 (de) | 1990-05-09 |
JPH02124637A (ja) | 1990-05-11 |
DE68920004D1 (de) | 1995-01-26 |
EP0367548A3 (en) | 1990-10-17 |
US5214677A (en) | 1993-05-25 |
EP0367548B1 (de) | 1994-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |