FR2675975B1 - THRESHOLD LEVEL GENERATOR FOR THE DETECTION OF THE BIT VALUE OF A DIGITAL SIGNAL RECEIVED ON THREE LEVELS. - Google Patents

THRESHOLD LEVEL GENERATOR FOR THE DETECTION OF THE BIT VALUE OF A DIGITAL SIGNAL RECEIVED ON THREE LEVELS.

Info

Publication number
FR2675975B1
FR2675975B1 FR9105193A FR9105193A FR2675975B1 FR 2675975 B1 FR2675975 B1 FR 2675975B1 FR 9105193 A FR9105193 A FR 9105193A FR 9105193 A FR9105193 A FR 9105193A FR 2675975 B1 FR2675975 B1 FR 2675975B1
Authority
FR
France
Prior art keywords
levels
detection
digital signal
signal received
threshold level
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
Application number
FR9105193A
Other languages
French (fr)
Other versions
FR2675975A1 (en
Inventor
Brunner Frederic
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.)
ALE International SAS
Original Assignee
Alcatel Business Systemes 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 Business Systemes SA filed Critical Alcatel Business Systemes SA
Priority to FR9105193A priority Critical patent/FR2675975B1/en
Publication of FR2675975A1 publication Critical patent/FR2675975A1/en
Application granted granted Critical
Publication of FR2675975B1 publication Critical patent/FR2675975B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/066—Multilevel decisions, not including self-organising maps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dc Digital Transmission (AREA)
FR9105193A 1991-04-26 1991-04-26 THRESHOLD LEVEL GENERATOR FOR THE DETECTION OF THE BIT VALUE OF A DIGITAL SIGNAL RECEIVED ON THREE LEVELS. Expired - Fee Related FR2675975B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9105193A FR2675975B1 (en) 1991-04-26 1991-04-26 THRESHOLD LEVEL GENERATOR FOR THE DETECTION OF THE BIT VALUE OF A DIGITAL SIGNAL RECEIVED ON THREE LEVELS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9105193A FR2675975B1 (en) 1991-04-26 1991-04-26 THRESHOLD LEVEL GENERATOR FOR THE DETECTION OF THE BIT VALUE OF A DIGITAL SIGNAL RECEIVED ON THREE LEVELS.

Publications (2)

Publication Number Publication Date
FR2675975A1 FR2675975A1 (en) 1992-10-30
FR2675975B1 true FR2675975B1 (en) 1993-07-02

Family

ID=9412307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9105193A Expired - Fee Related FR2675975B1 (en) 1991-04-26 1991-04-26 THRESHOLD LEVEL GENERATOR FOR THE DETECTION OF THE BIT VALUE OF A DIGITAL SIGNAL RECEIVED ON THREE LEVELS.

Country Status (1)

Country Link
FR (1) FR2675975B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490169A (en) * 1993-06-16 1996-02-06 Universal Data Systems, Inc. Decision feedback equalizer method and apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585487A (en) * 1969-06-26 1971-06-15 Burroughs Corp High-speed precision rectifier
US3667028A (en) * 1969-11-18 1972-05-30 Dienes Honeywell Gmbh Rectifier circuit including transistors
JPS6027258A (en) * 1983-07-23 1985-02-12 Yaskawa Electric Mfg Co Ltd Signal level detecting circuit

Also Published As

Publication number Publication date
FR2675975A1 (en) 1992-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse