SE9900534L - Anordning och förfarande för förstärkningsstyrning - Google Patents

Anordning och förfarande för förstärkningsstyrning

Info

Publication number
SE9900534L
SE9900534L SE9900534A SE9900534A SE9900534L SE 9900534 L SE9900534 L SE 9900534L SE 9900534 A SE9900534 A SE 9900534A SE 9900534 A SE9900534 A SE 9900534A SE 9900534 L SE9900534 L SE 9900534L
Authority
SE
Sweden
Prior art keywords
envelope value
value
gain
difference
sampling point
Prior art date
Application number
SE9900534A
Other languages
English (en)
Other versions
SE520193C2 (sv
SE9900534D0 (sv
Inventor
Paul Andrew Brierley
Original Assignee
Mitel Semiconductor Ltd
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 Mitel Semiconductor Ltd filed Critical Mitel Semiconductor Ltd
Publication of SE9900534D0 publication Critical patent/SE9900534D0/sv
Publication of SE9900534L publication Critical patent/SE9900534L/sv
Publication of SE520193C2 publication Critical patent/SE520193C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
SE9900534A 1998-02-26 1999-02-17 Anordning och förfarande för förstärkningsstyrning SE520193C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9804167A GB2334839B (en) 1998-02-26 1998-02-26 A gain control arrangement and method

Publications (3)

Publication Number Publication Date
SE9900534D0 SE9900534D0 (sv) 1999-02-17
SE9900534L true SE9900534L (sv) 1999-08-27
SE520193C2 SE520193C2 (sv) 2003-06-10

Family

ID=10827685

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900534A SE520193C2 (sv) 1998-02-26 1999-02-17 Anordning och förfarande för förstärkningsstyrning

Country Status (5)

Country Link
US (1) US6172534B1 (sv)
JP (1) JP4350192B2 (sv)
CA (1) CA2261981A1 (sv)
GB (1) GB2334839B (sv)
SE (1) SE520193C2 (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6519081B2 (en) 2000-04-13 2003-02-11 Corning Incorporated Method of operating a noise-compensating gain controller for an optical amplifier
US6535330B1 (en) 2001-03-31 2003-03-18 Corning Incorporated Dynamic controller for a multi-channel optical amplifier
US6943937B2 (en) 2001-05-17 2005-09-13 Avanex Corporation Optical amplifier performance controller and method of use
US6606191B1 (en) 2002-05-13 2003-08-12 Corning Incorporated Method for controlling performance of optical amplifiers
JP4297763B2 (ja) * 2003-09-29 2009-07-15 三洋電機株式会社 データスライサ回路、集積回路およびデータ検出方法
CN100568749C (zh) 2004-08-18 2009-12-09 罗姆股份有限公司 判别电路、信号处理电路和电子装置
US10250957B2 (en) * 2017-05-01 2019-04-02 Teradyne, Inc. DC-coupled switching in an AC-coupled environment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1360991A (en) * 1970-10-21 1974-07-24 Reed International Ltd Automatic control
US3979670A (en) * 1973-08-17 1976-09-07 Western Electric Company, Inc. Apparatus for detecting and measuring peak-to-peak values in electrical signals
US4475398A (en) * 1982-10-08 1984-10-09 Armco Inc. Successive approximation envelope detection for estimating the amplitude of a plurality of successively occurring electrical pulses
US4638384A (en) * 1985-11-19 1987-01-20 Rodime, Plc Head positioning mechanism for rotating disk data storage system
JP2648554B2 (ja) * 1992-08-13 1997-09-03 インターナショナル・ビジネス・マシーンズ・コーポレイション Ｐｒｍｌディスク駆動システムの非同期ゲイン調整方法および装置

Also Published As

Publication number Publication date
JP4350192B2 (ja) 2009-10-21
SE520193C2 (sv) 2003-06-10
GB2334839B (en) 2002-11-20
SE9900534D0 (sv) 1999-02-17
US6172534B1 (en) 2001-01-09
GB2334839A (en) 1999-09-01
GB9804167D0 (en) 1998-04-22
JPH11341084A (ja) 1999-12-10
CA2261981A1 (en) 1999-08-26

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Legal Events

Date Code Title Description
NUG Patent has lapsed