IT1313390B1 - Metodo di ottimizzazione dei parametri di un filtro passabasso di pre-equalizzazione per canale di lettura. - Google Patents

Metodo di ottimizzazione dei parametri di un filtro passabasso di pre-equalizzazione per canale di lettura.

Info

Publication number
IT1313390B1
IT1313390B1 IT1999VA000020A ITVA990020A IT1313390B1 IT 1313390 B1 IT1313390 B1 IT 1313390B1 IT 1999VA000020 A IT1999VA000020 A IT 1999VA000020A IT VA990020 A ITVA990020 A IT VA990020A IT 1313390 B1 IT1313390 B1 IT 1313390B1
Authority
IT
Italy
Prior art keywords
optimization
parameters
filter
reading channel
equalization
Prior art date
Application number
IT1999VA000020A
Other languages
English (en)
Inventor
Marco Demicheli
Giacomino Bollati
Davide Demicheli
Stefano Marchese
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT1999VA000020A priority Critical patent/IT1313390B1/it
Publication of ITVA990020A0 publication Critical patent/ITVA990020A0/it
Priority to US09/611,695 priority patent/US6369741B1/en
Publication of ITVA990020A1 publication Critical patent/ITVA990020A1/it
Application granted granted Critical
Publication of IT1313390B1 publication Critical patent/IT1313390B1/it

Links

Classifications

    • 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
    • G11B20/10481—Improvement or modification of read or write signals optimisation methods
    • 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
    • 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
    • G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
IT1999VA000020A 1999-07-16 1999-07-16 Metodo di ottimizzazione dei parametri di un filtro passabasso di pre-equalizzazione per canale di lettura. IT1313390B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT1999VA000020A IT1313390B1 (it) 1999-07-16 1999-07-16 Metodo di ottimizzazione dei parametri di un filtro passabasso di pre-equalizzazione per canale di lettura.
US09/611,695 US6369741B1 (en) 1999-07-16 2000-07-07 Optimization of the parameters of a pre-equalization low pass filter for a read channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999VA000020A IT1313390B1 (it) 1999-07-16 1999-07-16 Metodo di ottimizzazione dei parametri di un filtro passabasso di pre-equalizzazione per canale di lettura.

Publications (3)

Publication Number Publication Date
ITVA990020A0 ITVA990020A0 (it) 1999-07-16
ITVA990020A1 ITVA990020A1 (it) 2001-01-16
IT1313390B1 true IT1313390B1 (it) 2002-07-23

Family

ID=11423530

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999VA000020A IT1313390B1 (it) 1999-07-16 1999-07-16 Metodo di ottimizzazione dei parametri di un filtro passabasso di pre-equalizzazione per canale di lettura.

Country Status (2)

Country Link
US (1) US6369741B1 (it)
IT (1) IT1313390B1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3606373B2 (ja) * 2000-12-26 2005-01-05 シャープ株式会社 フィルタ具備装置
SG115437A1 (en) * 2000-12-27 2005-10-28 Toshiba Kk Disk drive including preamplifier for perpendicular magnetic recording system
US6552865B2 (en) * 2001-05-25 2003-04-22 Infineon Technologies Ag Diagnostic system for a read/write channel in a disk drive
US7277511B2 (en) * 2002-05-15 2007-10-02 Intellon Corporation Two-stage non-linear filter for analog signal gain control in an OFDM receiver
US6891361B2 (en) * 2002-12-31 2005-05-10 Lsi Logic Corporation Automatic gain control (AGC) loop for characterizing continuous-time or discrete-time circuitry gain response across frequency
US7027243B2 (en) * 2004-03-29 2006-04-11 Hitachi Global Storage Technologies Netherlands B.V. Apparatus for providing head amplitude characterization
US7027245B2 (en) * 2004-04-30 2006-04-11 Hitachi Global Storage Technologies Netherlands B.V. Apparatus for providing head amplitude characterization using gain loops
US7196644B1 (en) 2004-07-01 2007-03-27 Seagate Technology Llc Decoupling of analog input and digital output
US8081676B2 (en) * 2007-05-08 2011-12-20 Mediatek Inc. Method and apparatus for data reception
JP4497213B2 (ja) * 2008-02-21 2010-07-07 セイコーエプソン株式会社 集積回路装置及び電子機器
US8031096B2 (en) * 2010-02-18 2011-10-04 Taiwan Semiconductor Manufacturing Company, Ltd. High resolution delta-sigma digital-to-analog converter
US9237044B1 (en) 2013-05-17 2016-01-12 Altera Corporation Methods for joint optimization of link equalization
US9734860B2 (en) * 2015-09-18 2017-08-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for a data processing using integrated filter circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69417296T2 (de) * 1993-06-28 1999-11-04 Suisse Electronique Microtech Schaltung zur Verarbeitung von Signalen mit einer Eingangsstufe mit veränderbarer Verstärkung
US5598160A (en) * 1993-10-14 1997-01-28 Ricoh Company, Ltd. Signal processing circuit with built-in dynamic range matching

Also Published As

Publication number Publication date
ITVA990020A0 (it) 1999-07-16
ITVA990020A1 (it) 2001-01-16
US6369741B1 (en) 2002-04-09

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