ATE392740T1 - Dämpfungseinheit mit einer vorrichtung zum steuern des dämpfungsfaktors - Google Patents

Dämpfungseinheit mit einer vorrichtung zum steuern des dämpfungsfaktors

Info

Publication number
ATE392740T1
ATE392740T1 AT04368077T AT04368077T ATE392740T1 AT E392740 T1 ATE392740 T1 AT E392740T1 AT 04368077 T AT04368077 T AT 04368077T AT 04368077 T AT04368077 T AT 04368077T AT E392740 T1 ATE392740 T1 AT E392740T1
Authority
AT
Austria
Prior art keywords
damping
controlling
error
currents
factor
Prior art date
Application number
AT04368077T
Other languages
English (en)
Inventor
Jean-Charles Grasset
Frederic Bossu
Original Assignee
St Microelectronics 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 St Microelectronics Sa filed Critical St Microelectronics Sa
Application granted granted Critical
Publication of ATE392740T1 publication Critical patent/ATE392740T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices

Landscapes

  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Networks Using Active Elements (AREA)
  • Attenuators (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Prevention Devices (AREA)
AT04368077T 2003-12-29 2004-12-28 Dämpfungseinheit mit einer vorrichtung zum steuern des dämpfungsfaktors ATE392740T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0315479A FR2864725A1 (fr) 2003-12-29 2003-12-29 Cellule d'attenuation presentant un dispositif de commande du facteur d'attenuation

Publications (1)

Publication Number Publication Date
ATE392740T1 true ATE392740T1 (de) 2008-05-15

Family

ID=34566351

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04368077T ATE392740T1 (de) 2003-12-29 2004-12-28 Dämpfungseinheit mit einer vorrichtung zum steuern des dämpfungsfaktors

Country Status (5)

Country Link
US (1) US7227412B2 (de)
EP (1) EP1551100B1 (de)
AT (1) ATE392740T1 (de)
DE (1) DE602004013114D1 (de)
FR (1) FR2864725A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757230A (en) * 1996-05-28 1998-05-26 Analog Devices, Inc. Variable gain CMOS amplifier
US6084471A (en) * 1997-12-19 2000-07-04 Nokia Mobile Phones Soft-limiting control circuit for variable gain amplifiers
US6124761A (en) * 1998-09-30 2000-09-26 Robinson; Trevor Variable gain amplifier with gain linear with control voltage
JP3469486B2 (ja) * 1998-12-25 2003-11-25 株式会社東芝 可変利得回路
JP4073152B2 (ja) * 2000-06-30 2008-04-09 富士通株式会社 利得可変増幅器
US6456142B1 (en) * 2000-11-28 2002-09-24 Analog Devices, Inc. Circuit having dual feedback multipliers
FI116870B (fi) * 2003-06-19 2006-03-15 Nokia Corp Järjestely energian säästämiseksi lähettimessä sekä radiolaite

Also Published As

Publication number Publication date
DE602004013114D1 (de) 2008-05-29
EP1551100B1 (de) 2008-04-16
US20050195034A1 (en) 2005-09-08
US7227412B2 (en) 2007-06-05
EP1551100A3 (de) 2006-02-01
EP1551100A2 (de) 2005-07-06
FR2864725A1 (fr) 2005-07-01

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Legal Events

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