NO154780C - Digital forsterker. - Google Patents

Digital forsterker.

Info

Publication number
NO154780C
NO154780C NO821784A NO821784A NO154780C NO 154780 C NO154780 C NO 154780C NO 821784 A NO821784 A NO 821784A NO 821784 A NO821784 A NO 821784A NO 154780 C NO154780 C NO 154780C
Authority
NO
Norway
Prior art keywords
signal
intersymbol interference
order
end crosstalk
output
Prior art date
Application number
NO821784A
Other languages
English (en)
Norwegian (no)
Other versions
NO154780B (no
NO821784L (no
Inventor
Richard John Catchpole
Peter John Dyke
Brian Stuart Farley
Harbhajan Singh Virdee
Original Assignee
Stc Plc
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 Stc Plc filed Critical Stc Plc
Publication of NO821784L publication Critical patent/NO821784L/no
Publication of NO154780B publication Critical patent/NO154780B/no
Publication of NO154780C publication Critical patent/NO154780C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Communication Control (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Amplifiers (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Optical Communication System (AREA)
NO821784A 1981-06-04 1982-05-28 Digital forsterker. NO154780C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08117139A GB2101850B (en) 1981-06-04 1981-06-04 Digital transmission systems

Publications (3)

Publication Number Publication Date
NO821784L NO821784L (no) 1982-12-06
NO154780B NO154780B (no) 1986-09-08
NO154780C true NO154780C (no) 1986-12-17

Family

ID=10522275

Family Applications (1)

Application Number Title Priority Date Filing Date
NO821784A NO154780C (no) 1981-06-04 1982-05-28 Digital forsterker.

Country Status (13)

Country Link
US (1) US4484336A (de)
EP (1) EP0067027B1 (de)
JP (1) JPS57211843A (de)
KR (1) KR840001024A (de)
AT (1) ATE19448T1 (de)
AU (1) AU550099B2 (de)
BE (1) BE893406A (de)
DE (1) DE3270735D1 (de)
ES (1) ES8308177A1 (de)
GB (1) GB2101850B (de)
MX (1) MX151293A (de)
NO (1) NO154780C (de)
NZ (1) NZ200824A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679227A (en) * 1985-05-20 1987-07-07 Telebit Corporation Ensemble modem structure for imperfect transmission media
US5157697A (en) * 1991-03-21 1992-10-20 Novatel Communications, Ltd. Receiver employing correlation technique for canceling cross-talk between in-phase and quadrature channels prior to decoding
US5400360A (en) * 1993-03-23 1995-03-21 Limitorque Corporation Repeater for a digital control system
US5608757A (en) * 1994-06-03 1997-03-04 Dsc Communications Corporation High speed transport system
US7236550B1 (en) * 2004-11-01 2007-06-26 Synopsys, Inc. Method and apparatus for tail cancellation equalization
KR100634263B1 (ko) 2005-07-01 2006-10-13 서울통신기술 주식회사 디지털 통신 시스템의 신호 처리 방법 및 그 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304508A (en) * 1964-05-14 1967-02-14 Ericsson Telefon Ab L M Level regenerating arrangement for transmission of bipolar signals
NL139150B (nl) * 1969-05-06 1973-06-15 Nederlanden Staat Bipolaire overdrager.
US3792356A (en) * 1971-12-27 1974-02-12 Ibm Receiver structure for equalization of partial-response coded data
IT988612B (it) * 1972-06-01 1975-04-30 Ibm Equilizzatore automatico provvi sto di mezzi per variare la ri sposta di un canale di ricezione usando il cosiddetto diagramma ad occhio quale parametro
DE2421784C3 (de) * 1974-05-06 1980-07-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Streckengerät für Übertragungsstrecken mit Koaxialkabeln zur Übertragung digitaler Signale
US4078157A (en) * 1976-10-18 1978-03-07 Gte Automatic Electric Laboratories Incorporated Method and apparatus for regenerating a modified duobinary signal

Also Published As

Publication number Publication date
US4484336A (en) 1984-11-20
NO154780B (no) 1986-09-08
AU8431882A (en) 1982-12-09
NZ200824A (en) 1985-07-12
JPS57211843A (en) 1982-12-25
ES512679A0 (es) 1983-08-16
EP0067027B1 (de) 1986-04-23
GB2101850A (en) 1983-01-19
AU550099B2 (en) 1986-03-06
ES8308177A1 (es) 1983-08-16
EP0067027A1 (de) 1982-12-15
DE3270735D1 (en) 1986-05-28
KR840001024A (ko) 1984-03-26
GB2101850B (en) 1985-03-13
NO821784L (no) 1982-12-06
BE893406A (fr) 1982-12-06
ATE19448T1 (de) 1986-05-15
MX151293A (es) 1984-11-06

Similar Documents

Publication Publication Date Title
Hullett et al. A feedback receive amplifier for optical transmission systems
CA2083589A1 (en) Adaptive feed-forward method and apparatus for amplifier noise reduction
WO1995028034A3 (en) Signal amplifier system with improved echo cancellation
CA2056254A1 (en) Bi-directional buffer line amplifier
NO154780C (no) Digital forsterker.
CA2069476A1 (en) An apparatus and method for varying a signal in a transmitter of a transceiver
KR950701165A (ko) 에코제거시 자기발진 방지방법(a method for avoiding self-oscillation in conjunction with echo cancellation)
ES8507745A1 (es) Un circuito de linea con compensacion de eco, y un metodo para su ajuste.
JPS57160207A (en) Voltage-controlled attenuator
SE8402056L (sv) Anordning for att utoka dynamikomradet i en integrerande optoelektrisk mottagare
EP0099566A3 (en) Adjustable equalizer
JPS5760800A (en) Tone quality adjusting circuit
US3811016A (en) Low frequency cut-off compensation system for baseband pulse transmission lines
JPS6411423A (en) Equalization system for loss of subscriber line
JPS5769917A (en) Negative feedback amplifier
ES8204893A1 (es) Una disposicion amplificadora de senales
JPS5797737A (en) Nonlinear equalizer
SE8200741L (sv) Elektroniskt impedansanpassat linjeoverdrag
SU1309320A1 (ru) Устройство дл двустороннего усилени тональной частоты
JPS525239A (en) Variable attenuation equalizer
JPS5797738A (en) Nonlinear equalizer
GB803662A (en) A circuit for the simultaneous amplification of a frequency band and of a signal frequency outside the said band
JPS5563142A (en) Two-way repeater
JPS5520036A (en) Pulse duration modulated negative feedback amplifier
GB1525592A (en) Line repeater amplifiers