ATE122509T1 - Vorrichtung zur automatischen regelung eines signalpegels. - Google Patents

Vorrichtung zur automatischen regelung eines signalpegels.

Info

Publication number
ATE122509T1
ATE122509T1 AT92400796T AT92400796T ATE122509T1 AT E122509 T1 ATE122509 T1 AT E122509T1 AT 92400796 T AT92400796 T AT 92400796T AT 92400796 T AT92400796 T AT 92400796T AT E122509 T1 ATE122509 T1 AT E122509T1
Authority
AT
Austria
Prior art keywords
control
level
output signal
gain
automatic control
Prior art date
Application number
AT92400796T
Other languages
English (en)
Inventor
Dominique Bouriot
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE122509T1 publication Critical patent/ATE122509T1/de

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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using field-effect transistors [FET]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Details Of Television Scanning (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stereophonic System (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
AT92400796T 1991-03-26 1992-03-24 Vorrichtung zur automatischen regelung eines signalpegels. ATE122509T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9103645A FR2674707B1 (fr) 1991-03-26 1991-03-26 Dispositif de reglage automatique de niveau d'un signal.

Publications (1)

Publication Number Publication Date
ATE122509T1 true ATE122509T1 (de) 1995-05-15

Family

ID=9411133

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92400796T ATE122509T1 (de) 1991-03-26 1992-03-24 Vorrichtung zur automatischen regelung eines signalpegels.

Country Status (5)

Country Link
EP (1) EP0506547B1 (de)
AT (1) ATE122509T1 (de)
DE (1) DE69202382T2 (de)
ES (1) ES2072722T3 (de)
FR (1) FR2674707B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000079748A1 (en) 1999-06-23 2000-12-28 At & T Wireless Services, Inc. Automatic gain control for ofdm receiver

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2097619A (en) * 1980-07-31 1982-11-03 Min Mart V Stage converter of electric signals
JPS5937716A (ja) * 1982-08-26 1984-03-01 Seiko Instr & Electronics Ltd 自動利得制御回路
US4531229A (en) * 1982-10-22 1985-07-23 Coulter Associates, Inc. Method and apparatus for improving binaural hearing
US4771472A (en) * 1987-04-14 1988-09-13 Hughes Aircraft Company Method and apparatus for improving voice intelligibility in high noise environments

Also Published As

Publication number Publication date
ES2072722T3 (es) 1995-07-16
DE69202382T2 (de) 1995-09-14
FR2674707B1 (fr) 1993-06-04
FR2674707A1 (fr) 1992-10-02
EP0506547B1 (de) 1995-05-10
DE69202382D1 (de) 1995-06-14
EP0506547A1 (de) 1992-09-30

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee