ES8403000A1 - Un monitor de ojo de datos. - Google Patents

Un monitor de ojo de datos.

Info

Publication number
ES8403000A1
ES8403000A1 ES520108A ES520108A ES8403000A1 ES 8403000 A1 ES8403000 A1 ES 8403000A1 ES 520108 A ES520108 A ES 520108A ES 520108 A ES520108 A ES 520108A ES 8403000 A1 ES8403000 A1 ES 8403000A1
Authority
ES
Spain
Prior art keywords
comparators
reference voltage
data eye
variable reference
coupled
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
ES520108A
Other languages
English (en)
Other versions
ES520108A0 (es
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES520108A0 publication Critical patent/ES520108A0/es
Publication of ES8403000A1 publication Critical patent/ES8403000A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

MONITOR DE OJO DE DATOS.COMPRENDE: PRIMEROS MEDIOS (7) PARA COMPARAR LA SEÑAL DE ENTRADA CON UNA TENSION FIJA DE REFERENCIA; SEGUNDOS MEDIOS (9) DE COMPARACION DE LA SEÑAL DE ENTRADA CON UNA TENSION DE REFERENCIA VARIABLE; Y TERCEROS MEDIOS (11, 14, 15) ACOPLADOS A LA SALIDA DEL PRIMERO Y SEGUNDOS MEDIOS PARA PROPORCIONAR LA TENSION DE REFERENCIAS VARIABLE PARA ESTOS ULTIMOS, SIENDO ESTA TENSION PROPORCIONAL A LA ABERTURA DEL OJO DE DATOS, Y CONSTITUYENDO ADEMAS LA TENSION DE SALIDA DEL PROPIO MONITOR DE OJO DE DATOS.
ES520108A 1982-02-26 1983-02-25 Un monitor de ojo de datos. Expired ES8403000A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/352,614 US4475210A (en) 1982-02-26 1982-02-26 Data eye monitor

Publications (2)

Publication Number Publication Date
ES520108A0 ES520108A0 (es) 1984-03-16
ES8403000A1 true ES8403000A1 (es) 1984-03-16

Family

ID=23385829

Family Applications (1)

Application Number Title Priority Date Filing Date
ES520108A Expired ES8403000A1 (es) 1982-02-26 1983-02-25 Un monitor de ojo de datos.

Country Status (5)

Country Link
US (1) US4475210A (es)
EP (1) EP0087738A3 (es)
BE (1) BE896036A (es)
ES (1) ES8403000A1 (es)
IT (1) IT1171063B (es)

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US7137048B2 (en) * 2001-02-02 2006-11-14 Rambus Inc. Method and apparatus for evaluating and optimizing a signaling system
AU566850B2 (en) * 1983-11-18 1987-10-29 Nec Corporation Squelch circuit
DE3430339C1 (de) * 1984-08-17 1986-02-20 Nixdorf Computer Ag, 4790 Paderborn Empfangsschaltung fuer ein bipolares Eingangssignal
JPS61112414A (ja) * 1984-11-06 1986-05-30 Nec Corp 自動レベル制御回路
FR2573595B1 (fr) * 1984-11-22 1992-04-17 Chazenfus Henri Dispositif de mesure de taux d'erreur sur des bits dans une liaison numerique
US4694468A (en) * 1986-04-25 1987-09-15 Eastman Kodak Company Apparatus useful in channel equalization adjustment
GB8716144D0 (en) * 1987-07-09 1987-08-12 British Aerospace Comparator circuits
US4837642A (en) * 1988-01-12 1989-06-06 Ampex Corporation Threshold tracking system
GB9102936D0 (en) * 1991-02-12 1991-03-27 Shaye Communications Ltd Digital communications systems
US5426646A (en) * 1992-06-25 1995-06-20 The United States Of America As Represented By The Secretary Of The Navy Instantaneous bit-error-rate meter
US5491722A (en) * 1992-12-21 1996-02-13 Communications Technology Corporation Eye pattern margin measurement and receiver stress detection device
EP0611048A3 (en) * 1993-01-28 1995-04-12 At & T Corp Method and device for determining the byte error rate.
US5502746A (en) * 1994-05-16 1996-03-26 Exar Corporation Dual stage differential adaptive peak detector for data communications receivers
JP3492792B2 (ja) * 1994-12-22 2004-02-03 株式会社アドバンテスト 半導体試験装置の波形整形回路
FR2737828B1 (fr) * 1995-08-11 1997-10-24 Sextant Avionique Procede de surveillance et de restitution de formes d'ondes et dispositif de mise en oeuvre
US6249556B1 (en) * 1998-05-27 2001-06-19 Intel Corporation Dynamic thresholding for input receivers
JP3221401B2 (ja) 1998-06-15 2001-10-22 日本電気株式会社 光信号監視方法及び装置
DE19854340A1 (de) * 1998-11-25 2000-05-31 Alcatel Sa Verfahren und Schaltungsanordnung zur Ermittlung von Störungen bei der Übertragung hochfrequenter Signale
US6430715B1 (en) * 1999-09-17 2002-08-06 Digital Lightwave, Inc. Protocol and bit rate independent test system
US6728311B1 (en) * 2000-04-04 2004-04-27 Thomas Eugene Waschura Apparatus and method for creating eye diagram
US6980737B1 (en) * 2000-10-16 2005-12-27 Nortel Networks Limited Method and apparatus for rapidly measuring optical transmission characteristics in photonic networks
US6819880B2 (en) * 2000-10-26 2004-11-16 Mitsubishi Denki Kabushiki Kaisha Loss of signal detection circuit for light receiver
US6873939B1 (en) 2001-02-02 2005-03-29 Rambus Inc. Method and apparatus for evaluating and calibrating a signaling system
US7490275B2 (en) 2001-02-02 2009-02-10 Rambus Inc. Method and apparatus for evaluating and optimizing a signaling system
EP1402645A4 (en) * 2001-05-03 2006-08-23 Coreoptics Inc AMPLITUDE DETECTION FOR CONTROLLING THE TIME OF SAMPLING DECISION IN THE FORM OF A DATA STREAM
DE60123599T2 (de) * 2001-08-01 2008-01-31 Alcatel Lucent Messung der Augenöffnung eines Signales
US7089161B1 (en) * 2002-01-10 2006-08-08 Finisar Corporation Method and system for characterizing optical receivers by mathematical derivation
US7076377B2 (en) * 2003-02-11 2006-07-11 Rambus Inc. Circuit, apparatus and method for capturing a representation of a waveform from a clock-data recovery (CDR) unit
US7408981B2 (en) * 2003-05-20 2008-08-05 Rambus Inc. Methods and circuits for performing margining tests in the presence of a decision feedback equalizer
US7336749B2 (en) * 2004-05-18 2008-02-26 Rambus Inc. Statistical margin test methods and circuits
US7590175B2 (en) 2003-05-20 2009-09-15 Rambus Inc. DFE margin test methods and circuits that decouple sample and feedback timing
US7627029B2 (en) 2003-05-20 2009-12-01 Rambus Inc. Margin test methods and circuits
US7307461B2 (en) * 2003-09-12 2007-12-11 Rambus Inc. System and method for adaptive duty cycle optimization
JP4299179B2 (ja) 2004-03-31 2009-07-22 富士通株式会社 識別位相余裕モニタ回路、送受信装置、及び通信システム
EP1598962B1 (en) * 2004-05-19 2009-04-15 Alcatel Lucent A method of operating an optical transmission and receiving system with a bit-to-bit polarization interleaved bitstream
US7406135B2 (en) * 2004-06-22 2008-07-29 International Business Machines Corporation Reducing power consumption in signal detection
US8074126B1 (en) 2006-06-07 2011-12-06 Marvell International Ltd. Non-intrusive eye monitor system
US7674372B2 (en) * 2007-01-26 2010-03-09 Graves Jan D Wastewater flow equalization system and method
WO2008100227A1 (en) * 2007-02-12 2008-08-21 Agency For Science, Technology And Research Device, system and method using dual decision decoders for error correction in optical receivers
US8456928B2 (en) 2010-05-24 2013-06-04 International Business Machines Corporation Dynamic adjustment of reference voltage in a computer memory system
KR101813784B1 (ko) * 2016-02-04 2017-12-29 연세대학교 산학협력단 데이터 신호의 진폭을 이용한 광 변조기의 바이어스 제어 장치 및 방법
KR20220070613A (ko) 2020-11-23 2022-05-31 삼성전자주식회사 호스트 장치, 메모리 장치의 구동 방법 및 메모리 시스템
KR20220164181A (ko) 2021-06-04 2022-12-13 삼성전자주식회사 호스트 장치 및 메모리 장치의 구동 방법, 호스트 장치와 메모리 장치를 포함하는 메모리 시스템

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582018A (en) * 1948-03-16 1952-01-08 El-Said Mohamed Abdu Hassan Thermionic multiplying and measuring circuit
GB1309570A (en) * 1970-09-28 1973-03-14 Gen Electric Co Ltd Degradation detection in a pcm system
IT1041378B (it) * 1975-06-10 1980-01-10 Cselt Centro Studi Lab Telecom Dispositivo per il rilevamento della qualita di trasmissione nei ricevitori di segnali numerici
US4097697A (en) * 1977-06-02 1978-06-27 Northern Telecom Limited Digital signal performance monitor
FR2412990A1 (fr) * 1977-12-05 1979-07-20 Legras Jacques Evaluation de la qualite d'une liaison numerique, d'un repeteur regenerateur ou d'un recepteur dans une telle liaison

Also Published As

Publication number Publication date
BE896036A (fr) 1983-08-29
EP0087738A3 (en) 1984-12-05
IT8319777A0 (it) 1983-02-25
US4475210A (en) 1984-10-02
ES520108A0 (es) 1984-03-16
IT8319777A1 (it) 1984-08-25
IT1171063B (it) 1987-06-10
EP0087738A2 (en) 1983-09-07

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