DE69324529T2 - Phasendetektor für ein Taktrückgewinnungssystem - Google Patents
Phasendetektor für ein TaktrückgewinnungssystemInfo
- Publication number
- DE69324529T2 DE69324529T2 DE69324529T DE69324529T DE69324529T2 DE 69324529 T2 DE69324529 T2 DE 69324529T2 DE 69324529 T DE69324529 T DE 69324529T DE 69324529 T DE69324529 T DE 69324529T DE 69324529 T2 DE69324529 T2 DE 69324529T2
- Authority
- DE
- Germany
- Prior art keywords
- recovery system
- phase detector
- clock recovery
- clock
- 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
- 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
- H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/911,860 US5455847A (en) | 1992-07-10 | 1992-07-10 | Clock recovery phase detector |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69324529D1 DE69324529D1 (de) | 1999-05-27 |
DE69324529T2 true DE69324529T2 (de) | 1999-08-26 |
Family
ID=25430994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69324529T Expired - Fee Related DE69324529T2 (de) | 1992-07-10 | 1993-07-07 | Phasendetektor für ein Taktrückgewinnungssystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US5455847A (de) |
EP (1) | EP0578489B1 (de) |
JP (1) | JP3398422B2 (de) |
DE (1) | DE69324529T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI97183C (fi) * | 1994-02-15 | 1996-10-25 | Nokia Telecommunications Oy | Menetelmä vastaanottimen synkronoimiseksi vastaanotetun signaalin taajuuteen ja vaiheeseen |
US5657021A (en) * | 1994-06-30 | 1997-08-12 | Ehsani Engineering Enterprises, Inc. | System and method for radar-vision for vehicles in traffic |
US5524120A (en) * | 1994-07-05 | 1996-06-04 | Rockwell International Corporation | Digital low power symbol rate detector |
JP3382745B2 (ja) * | 1995-02-24 | 2003-03-04 | 松下電器産業株式会社 | データ再生方法およびデータ再生装置 |
US5875218A (en) * | 1995-03-31 | 1999-02-23 | Unisys Corporation | Variable rate clock for timing recovery and method therefor |
US5671257A (en) * | 1995-06-06 | 1997-09-23 | Sicom, Inc. | Symbol timing recovery based on complex sample magnitude |
WO1997016002A1 (en) * | 1995-10-25 | 1997-05-01 | Philips Electronics N.V. | Clock signal recovery system for communication systems using pulse amplitude modulation/quadrature amplitude modulation |
US6393067B1 (en) * | 1996-03-06 | 2002-05-21 | Matsushita Electric Industrial Co., Ltd. | Differential detection receiver |
TW355884B (en) * | 1997-10-30 | 1999-04-11 | Winbond Electronic Corp | Analog signal deviation calibration circuit and process for the same |
US6081822A (en) * | 1998-03-11 | 2000-06-27 | Agilent Technologies, Inc. | Approximating signal power and noise power in a system |
US20020093986A1 (en) * | 2000-12-30 | 2002-07-18 | Norm Hendrickson | Forward data de-skew method and system |
US20020093994A1 (en) * | 2000-12-30 | 2002-07-18 | Norm Hendrickson | Reverse data de-skew method and system |
US20020090045A1 (en) * | 2001-01-10 | 2002-07-11 | Norm Hendrickson | Digital clock recovery system |
WO2002062004A1 (en) | 2001-02-01 | 2002-08-08 | Vitesse Semiconductor Corporation | Rz recovery |
US8189724B1 (en) | 2005-10-26 | 2012-05-29 | Zenith Electronics Llc | Closed loop power normalized timing recovery for 8 VSB modulated signals |
US8542778B2 (en) * | 2005-10-26 | 2013-09-24 | Zenith Electronics Llc | Closed loop power normalized timing recovery for 8 VSB modulated signals |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4344176A (en) * | 1980-04-03 | 1982-08-10 | Codex Corporation | Time recovery circuitry in a modem receiver |
US4416017A (en) * | 1981-01-05 | 1983-11-15 | Motorola, Inc. | Apparatus and method for attenuating interfering signals |
US4376309A (en) * | 1981-05-29 | 1983-03-08 | Bell Telephone Laboratories, Incorporated | Method and apparatus for signal-eye tracking in digital transmission systems |
NL8402352A (nl) * | 1984-07-26 | 1986-02-17 | Philips Nv | Inrichting voor het terugwinnen van een kloksignaal uit een hoekgemoduleerd draaggolfsignaal met een modulatie-index m = 0,5. |
US4727508A (en) * | 1984-12-14 | 1988-02-23 | Motorola, Inc. | Circuit for adding and/or subtracting numbers in logarithmic representation |
CH669489A5 (de) * | 1986-01-17 | 1989-03-15 | Bbc Brown Boveri & Cie | |
US4805191A (en) * | 1987-11-25 | 1989-02-14 | Motorola, Inc. | Modem with improved timing recovery using equalized data |
US4910465A (en) * | 1988-10-31 | 1990-03-20 | Hewlett-Packard Company | Phase detector |
US5001724A (en) * | 1989-01-13 | 1991-03-19 | Hewlett-Packard Company | Method and apparatus for measuring phase accuracy and amplitude profile of a continuous-phase-modulated signal |
CA2025135C (en) * | 1989-09-13 | 1993-06-29 | Shousei Yoshida | Frequency tracking circuit using samples equalized at different sampling instants of same clock period |
-
1992
- 1992-07-10 US US07/911,860 patent/US5455847A/en not_active Expired - Lifetime
-
1993
- 1993-07-07 EP EP93305329A patent/EP0578489B1/de not_active Expired - Lifetime
- 1993-07-07 DE DE69324529T patent/DE69324529T2/de not_active Expired - Fee Related
- 1993-07-12 JP JP17170293A patent/JP3398422B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5455847A (en) | 1995-10-03 |
EP0578489B1 (de) | 1999-04-21 |
JP3398422B2 (ja) | 2003-04-21 |
EP0578489A1 (de) | 1994-01-12 |
DE69324529D1 (de) | 1999-05-27 |
JPH06164658A (ja) | 1994-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US |
|
8339 | Ceased/non-payment of the annual fee |