DE602006019184D1 - Programmierbare Schaltung für die digitale Verstärkung und dazugehöriges Verfahren - Google Patents

Programmierbare Schaltung für die digitale Verstärkung und dazugehöriges Verfahren

Info

Publication number
DE602006019184D1
DE602006019184D1 DE602006019184T DE602006019184T DE602006019184D1 DE 602006019184 D1 DE602006019184 D1 DE 602006019184D1 DE 602006019184 T DE602006019184 T DE 602006019184T DE 602006019184 T DE602006019184 T DE 602006019184T DE 602006019184 D1 DE602006019184 D1 DE 602006019184D1
Authority
DE
Germany
Prior art keywords
circuitry
gain
equalization
control
counter value
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.)
Active
Application number
DE602006019184T
Other languages
English (en)
Inventor
Tin Lai
Sergey Shumarayev
Simardeep Maangat
Wilson Wong
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.)
Altera Corp
Original Assignee
Altera Corp
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 Altera Corp filed Critical Altera Corp
Publication of DE602006019184D1 publication Critical patent/DE602006019184D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03878—Line equalisers; line build-out devices
    • H04L25/03885—Line equalisers; line build-out devices adaptive

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE602006019184T 2005-09-28 2006-08-25 Programmierbare Schaltung für die digitale Verstärkung und dazugehöriges Verfahren Active DE602006019184D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/238,365 US7760799B2 (en) 2005-09-28 2005-09-28 Programmable digital equalization control circuitry and methods

Publications (1)

Publication Number Publication Date
DE602006019184D1 true DE602006019184D1 (de) 2011-02-10

Family

ID=37680776

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006019184T Active DE602006019184D1 (de) 2005-09-28 2006-08-25 Programmierbare Schaltung für die digitale Verstärkung und dazugehöriges Verfahren

Country Status (6)

Country Link
US (1) US7760799B2 (de)
EP (1) EP1770856B1 (de)
JP (1) JP2007097160A (de)
CN (1) CN1941757A (de)
AT (1) ATE493793T1 (de)
DE (1) DE602006019184D1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070098188A1 (en) * 2005-11-02 2007-05-03 Felder Matthew D Equalization setting determination for audio devices
WO2007108125A1 (ja) * 2006-03-23 2007-09-27 Fujitsu Limited パラメータ制御回路
US7782088B1 (en) 2007-02-15 2010-08-24 Altera Corporation Sharing adaptive dispersion compensation engine among programmable logic device serial interface channels
US8208528B1 (en) 2007-12-13 2012-06-26 Altera Corporation Programmable adaptation convergence detection
US8175143B1 (en) 2008-02-26 2012-05-08 Altera Corporation Adaptive equalization using data level detection
US8742740B2 (en) * 2008-09-19 2014-06-03 Power Integrations, Inc. Digital peak input voltage detector for a power converter controller
US8588289B2 (en) * 2010-07-19 2013-11-19 National Semiconductor Corporation Adaptive signal equalizer with segmented coarse and fine controls
US9806917B2 (en) 2014-02-21 2017-10-31 Hitachi, Ltd. Electric signal transmission apparatus
CN107390762B (zh) * 2017-08-25 2019-05-28 华大半导体有限公司 无源器件的性能稳定性的调控电路和调控方法
US11038723B2 (en) * 2019-09-10 2021-06-15 Texas Instruments Incorporated Bi-level adaptive equalizer

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US4066977A (en) * 1976-03-30 1978-01-03 E-Systems, Inc. Digitized AGC amplifier with gain hysteresis circuit
JPS61133713A (ja) 1984-12-03 1986-06-21 Nec Corp Ａｇｃ装置
US4667179A (en) * 1985-03-07 1987-05-19 Xerox Corporation Two reference voltage weighted capacitor digital to analog converter
US5191646A (en) * 1986-11-20 1993-03-02 Hitachi, Ltd. Display method in software development support system
SU1658378A1 (ru) 1988-07-06 1991-06-23 Предприятие П/Я В-8332 Синтезатор частот
US5734974A (en) 1996-03-27 1998-03-31 Motorola, Inc. Selective call receivers with stepwise variable gain control
US6909419B2 (en) * 1997-10-31 2005-06-21 Kopin Corporation Portable microdisplay system
JP2926576B1 (ja) * 1998-04-03 1999-07-28 埼玉日本電気株式会社 無線電話装置
DE19929178C2 (de) * 1999-06-25 2002-10-24 Infineon Technologies Ag Phasenregelkreissystem
US6564168B1 (en) * 1999-09-14 2003-05-13 Immersion Corporation High-resolution optical encoder with phased-array photodetectors
DE60113125T2 (de) 2000-07-11 2006-06-08 Koninklijke Philips Electronics N.V. Schaltung zur automatischen verstärkungsregelung
US6665558B2 (en) * 2000-12-15 2003-12-16 Cardiac Pacemakers, Inc. System and method for correlation of patient health information and implant device data
KR100772840B1 (ko) * 2001-04-30 2007-11-02 삼성전자주식회사 아날로그/디지털 변환기의 선형특성 테스트장치 및 그 방법
US7131037B1 (en) * 2002-06-05 2006-10-31 Proactivenet, Inc. Method and system to correlate a specific alarm to one or more events to identify a possible cause of the alarm
US8307064B2 (en) * 2003-02-21 2012-11-06 Verizon Services Corp. Methods and apparatus for automated software generic information retrieval
JP4027822B2 (ja) * 2003-03-11 2007-12-26 松下電器産業株式会社 Ａｇｃ回路
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US6870404B1 (en) * 2003-08-28 2005-03-22 Altera Corporation Programmable differential capacitors for equalization circuits
US7239849B2 (en) * 2003-11-04 2007-07-03 Altera Corporation Adaptive communication methods and apparatus
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US7697600B2 (en) * 2005-07-14 2010-04-13 Altera Corporation Programmable receiver equalization circuitry and methods

Also Published As

Publication number Publication date
EP1770856A1 (de) 2007-04-04
US20070071084A1 (en) 2007-03-29
EP1770856B1 (de) 2010-12-29
US7760799B2 (en) 2010-07-20
ATE493793T1 (de) 2011-01-15
CN1941757A (zh) 2007-04-04
JP2007097160A (ja) 2007-04-12

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