GR3017740T3 - Clock regeneration circuit for a clocked information processing system. - Google Patents
Clock regeneration circuit for a clocked information processing system.Info
- Publication number
- GR3017740T3 GR3017740T3 GR950402840T GR950402840T GR3017740T3 GR 3017740 T3 GR3017740 T3 GR 3017740T3 GR 950402840 T GR950402840 T GR 950402840T GR 950402840 T GR950402840 T GR 950402840T GR 3017740 T3 GR3017740 T3 GR 3017740T3
- Authority
- GR
- Greece
- Prior art keywords
- clock
- information processing
- processing system
- regeneration circuit
- clock regeneration
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/033—Monostable circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Information Transfer Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3939457 | 1989-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GR3017740T3 true GR3017740T3 (en) | 1996-01-31 |
Family
ID=6394420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR950402840T GR3017740T3 (en) | 1989-11-29 | 1995-10-16 | Clock regeneration circuit for a clocked information processing system. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5210755A (el) |
EP (1) | EP0429850B1 (el) |
AT (1) | ATE126633T1 (el) |
DE (1) | DE59009530D1 (el) |
ES (1) | ES2075111T3 (el) |
GR (1) | GR3017740T3 (el) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5426633A (en) * | 1992-06-02 | 1995-06-20 | Nec Corporation | System for processing synchronization signals with phase synchronization in a mobile communication network |
US6389064B1 (en) | 1999-03-08 | 2002-05-14 | International Business Machines Corporation | Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments |
US6341360B1 (en) | 1999-03-08 | 2002-01-22 | International Business Machines Corporation | Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto |
US6661837B1 (en) | 1999-03-08 | 2003-12-09 | International Business Machines Corporation | Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detector |
US6553518B1 (en) | 1999-03-08 | 2003-04-22 | International Business Machines Corporation | Severe error detectors, methods and computer program products that use constellation specific error event thresholds to detect severe error events during demodulation of a signal comprising symbols from a plurality of symbol constellations |
US6487243B1 (en) | 1999-03-08 | 2002-11-26 | International Business Machines Corporation | Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems |
US7003030B2 (en) | 1999-03-08 | 2006-02-21 | Lenovo (Singapore) Pte. Ltd. | Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem |
US6381267B1 (en) | 1999-03-08 | 2002-04-30 | International Business Machines Corporation | Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup |
US6661847B1 (en) | 1999-05-20 | 2003-12-09 | International Business Machines Corporation | Systems methods and computer program products for generating and optimizing signal constellations |
US6826157B1 (en) | 1999-10-29 | 2004-11-30 | International Business Machines Corporation | Systems, methods, and computer program products for controlling data rate reductions in a communication device by using a plurality of filters to detect short-term bursts of errors and long-term sustainable errors |
US6650657B1 (en) | 1999-10-29 | 2003-11-18 | International Business Machines Corporation | Systems, methods and computer program products for identifying digital impairments in modem signals |
US6839382B1 (en) | 1999-10-29 | 2005-01-04 | International Business Machines Corporation | System, methods and computer program products for identifying digital impairments in modem signals using signature analysis and signal level comparison analysis |
US6823004B1 (en) | 1999-10-29 | 2004-11-23 | International Business Machines Corporation | Methods, systems and computer program products for monitoring performance of a modem during a connection |
US6765955B1 (en) | 1999-10-29 | 2004-07-20 | International Business Machines Corporation | Methods, systems and computer program products establishing a communication configuration for a modem connection to compensate for echo noise |
US6662322B1 (en) | 1999-10-29 | 2003-12-09 | International Business Machines Corporation | Systems, methods, and computer program products for controlling the error rate in a communication device by adjusting the distance between signal constellation points |
US6823017B1 (en) | 1999-10-29 | 2004-11-23 | International Business Machines Corporation | Systems, methods and computer program products for filtering glitches from measured values in a sequence of code points |
US6611563B1 (en) | 1999-10-29 | 2003-08-26 | International Business Machines Corporation | Systems, methods and computer program products for data mode refinement of modem constellation points |
US6967995B1 (en) | 1999-10-29 | 2005-11-22 | International Business Machines Corporation | Methods, systems and computer program products for carrier drop detection using a variable threshold |
US6816545B1 (en) | 1999-10-29 | 2004-11-09 | International Business Machines Corporation | Systems, methods and computer program products for identifying digital impairments in modems based on clusters and/or skips in pulse code modulation signal levels |
US6754258B1 (en) | 1999-10-29 | 2004-06-22 | International Business Machines Corporation | Systems, methods and computer program products for averaging learned levels in the presence of digital impairments based on patterns |
US6792040B1 (en) | 1999-10-29 | 2004-09-14 | International Business Machines Corporation | Modems having a dual power mode capability and methods of operating same |
US6505222B1 (en) | 1999-10-29 | 2003-01-07 | International Business Machines Corporation | Systems methods and computer program products for controlling undesirable bias in an equalizer |
US6792004B1 (en) | 1999-10-29 | 2004-09-14 | International Business Machines Corporation | Systems, methods and computer program products for averaging learned levels in the presence of robbed-bit signaling based on proximity |
US6578154B1 (en) | 2000-01-10 | 2003-06-10 | Research In Motion Limited | Clock duty cycle correction circuit which corrects an input clock by directly comparing the input clock with a reference clock generated by the output clock |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3808368A (en) * | 1973-02-23 | 1974-04-30 | Gte Automatic Electric Lab Inc | Slaved pcm clock circuit |
DE3104002C2 (de) * | 1981-02-05 | 1984-01-26 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere PCM-Fernsprechvermittlungsanlagen, mit einer Zeitmultiplexkoppelanordnung mit Zeitlagenvielfachen |
JPS5916470A (ja) * | 1982-07-20 | 1984-01-27 | Sony Corp | パルス検出回路 |
DE3227848A1 (de) * | 1982-07-26 | 1984-01-26 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur takterzeugung in fernmeldeanlagen, insbesondere zeitmultiplex-digital-vermittlungsanlagen |
DE3227849A1 (de) * | 1982-07-26 | 1984-01-26 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur takterzeugung in fernmeldeanlagen, insbesondere zeitmultiplex-digital-vermittlungsanlagen |
US5059818A (en) * | 1990-06-01 | 1991-10-22 | Advanced Micro Devices, Inc. | Self-regulating clock generator |
-
1990
- 1990-10-23 AT AT90120323T patent/ATE126633T1/de not_active IP Right Cessation
- 1990-10-23 ES ES90120323T patent/ES2075111T3/es not_active Expired - Lifetime
- 1990-10-23 EP EP90120323A patent/EP0429850B1/de not_active Expired - Lifetime
- 1990-10-23 DE DE59009530T patent/DE59009530D1/de not_active Expired - Fee Related
- 1990-11-13 US US07/611,731 patent/US5210755A/en not_active Expired - Lifetime
-
1995
- 1995-10-16 GR GR950402840T patent/GR3017740T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0429850A3 (en) | 1991-09-11 |
EP0429850B1 (de) | 1995-08-16 |
ES2075111T3 (es) | 1995-10-01 |
ATE126633T1 (de) | 1995-09-15 |
US5210755A (en) | 1993-05-11 |
EP0429850A2 (de) | 1991-06-05 |
DE59009530D1 (de) | 1995-09-21 |
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