ES2048092A2 - Ecualizador automatico digital asincrono para transmision de datos por cable. - Google Patents

Ecualizador automatico digital asincrono para transmision de datos por cable.

Info

Publication number
ES2048092A2
ES2048092A2 ES9200314A ES9200314A ES2048092A2 ES 2048092 A2 ES2048092 A2 ES 2048092A2 ES 9200314 A ES9200314 A ES 9200314A ES 9200314 A ES9200314 A ES 9200314A ES 2048092 A2 ES2048092 A2 ES 2048092A2
Authority
ES
Spain
Prior art keywords
data transmission
digital automatic
function
cable data
transmission
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.)
Granted
Application number
ES9200314A
Other languages
English (en)
Other versions
ES2048092R (es
ES2048092B1 (es
Inventor
Cerro Hiniesto Del
Viso Soto
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 Standard Electrics 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 Standard Electrics SA filed Critical Alcatel Standard Electrics SA
Priority to ES9200314A priority Critical patent/ES2048092B1/es
Publication of ES2048092A2 publication Critical patent/ES2048092A2/es
Publication of ES2048092R publication Critical patent/ES2048092R/es
Application granted granted Critical
Publication of ES2048092B1 publication Critical patent/ES2048092B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

ECUALIZADOR AUTOMATICO DIGITAL ASINCRONO PARA TRANSMISION DE DATOS POR CABLE. APLICABLE A LA ECUALIZACION DE LA FUNCION DE TRANSFERENCIA DE UN CABLE DE TRANSMISION DE DATOS, TRABAJANDO ASINCRONAMENTE CON LA SEÑAL DE RECEPCION Y SINCRONAMENTE CON LA DE TRANSMISION EN UN MODEM BANDA BASE A DOS HILOS CON CANCELACION DE ECO. CONSTITUIDO MEDIANTE UN FILTRO DIGITAL DE RESPUESTA IMPULSIVA INFINITA EN EL TIEMPO, Y CUYA FUNCION DE TRANSFERENCIA SE REALIZA BASICAMENTE MEDIANTE UN MULTIPLICADOR (6) UNAS MEMORIAS (7, 8, 9 Y 10) Y UN SUMADOR (12); PRESENTANDO DICHA FUNCION UN POLO, UN CERO Y UNA GANANCIA QUE SE AUTOAJUSTAN ADAPTATIVAMENTE EN FUNCION DEL NIVEL DE SEÑAL DE SALIDA DEL FILTRO, OBTENIENDO UN NIVEL FIJO DE SEÑAL CORRESPONDIENTE A LA SEÑAL ECUALIZADA.
ES9200314A 1992-02-14 1992-02-14 Ecualizador automatico digital asincrono para transmision de datos por cable. Expired - Fee Related ES2048092B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9200314A ES2048092B1 (es) 1992-02-14 1992-02-14 Ecualizador automatico digital asincrono para transmision de datos por cable.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9200314A ES2048092B1 (es) 1992-02-14 1992-02-14 Ecualizador automatico digital asincrono para transmision de datos por cable.

Publications (3)

Publication Number Publication Date
ES2048092A2 true ES2048092A2 (es) 1994-03-01
ES2048092R ES2048092R (es) 1996-04-16
ES2048092B1 ES2048092B1 (es) 1996-11-16

Family

ID=8276051

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9200314A Expired - Fee Related ES2048092B1 (es) 1992-02-14 1992-02-14 Ecualizador automatico digital asincrono para transmision de datos por cable.

Country Status (1)

Country Link
ES (1) ES2048092B1 (es)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574234A1 (fr) * 1984-12-04 1986-06-06 Lignes Telegraph Telephon Egaliseur numerique de la reponse en frequence d'un canal de transmission de signaux electriques a plusieurs etats d'amplitude et de phase
EP0288159A2 (en) * 1987-03-23 1988-10-26 Matsushita Electric Industrial Co., Ltd. Digital equalizer apparatus enabling separate phase and amplitude characteristic modification
US4870657A (en) * 1987-06-09 1989-09-26 U.S. Philips Corp. Data signal transmission system using decision feedback equalization
EP0360904A1 (de) * 1988-09-29 1990-04-04 Siemens Aktiengesellschaft Schaltungsanordnung zum Entzerren von in analoger Form empfangener Digitalsignale
EP0411741A1 (en) * 1989-07-31 1991-02-06 Pioneer Electronic Corporation Digital equalizer and FM receiver having same
US5031194A (en) * 1989-08-11 1991-07-09 Bell Communications Research, Inc. Wideband digital equalizers for subscriber loops
EP0451754A1 (fr) * 1990-04-10 1991-10-16 Alcatel Business Systems Egaliseur autoadaptatif numérique

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574234A1 (fr) * 1984-12-04 1986-06-06 Lignes Telegraph Telephon Egaliseur numerique de la reponse en frequence d'un canal de transmission de signaux electriques a plusieurs etats d'amplitude et de phase
EP0288159A2 (en) * 1987-03-23 1988-10-26 Matsushita Electric Industrial Co., Ltd. Digital equalizer apparatus enabling separate phase and amplitude characteristic modification
US4870657A (en) * 1987-06-09 1989-09-26 U.S. Philips Corp. Data signal transmission system using decision feedback equalization
EP0360904A1 (de) * 1988-09-29 1990-04-04 Siemens Aktiengesellschaft Schaltungsanordnung zum Entzerren von in analoger Form empfangener Digitalsignale
EP0411741A1 (en) * 1989-07-31 1991-02-06 Pioneer Electronic Corporation Digital equalizer and FM receiver having same
US5031194A (en) * 1989-08-11 1991-07-09 Bell Communications Research, Inc. Wideband digital equalizers for subscriber loops
EP0451754A1 (fr) * 1990-04-10 1991-10-16 Alcatel Business Systems Egaliseur autoadaptatif numérique

Also Published As

Publication number Publication date
ES2048092R (es) 1996-04-16
ES2048092B1 (es) 1996-11-16

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