IT8221893A0 - AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN AVERAGE LISTENING POWER - Google Patents

AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN AVERAGE LISTENING POWER

Info

Publication number
IT8221893A0
IT8221893A0 IT8221893A IT2189382A IT8221893A0 IT 8221893 A0 IT8221893 A0 IT 8221893A0 IT 8221893 A IT8221893 A IT 8221893A IT 2189382 A IT2189382 A IT 2189382A IT 8221893 A0 IT8221893 A0 IT 8221893A0
Authority
IT
Italy
Prior art keywords
increase
amplification system
audio amplification
average listening
listening power
Prior art date
Application number
IT8221893A
Other languages
Italian (it)
Other versions
IT1190872B (en
Inventor
Antoniazzi Paolo
Grilli Carlo Alberto
Original Assignee
Sgs Microelettronica Spa
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 Sgs Microelettronica Spa filed Critical Sgs Microelettronica Spa
Priority to IT21893/82A priority Critical patent/IT1190872B/en
Publication of IT8221893A0 publication Critical patent/IT8221893A0/en
Priority to GB08315613A priority patent/GB2123231B/en
Priority to DE19833321293 priority patent/DE3321293A1/en
Priority to JP58105961A priority patent/JPS595711A/en
Priority to FR8310097A priority patent/FR2529035A1/en
Application granted granted Critical
Publication of IT1190872B publication Critical patent/IT1190872B/en

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
IT21893/82A 1982-06-17 1982-06-17 AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN THE AVERAGE LISTENING POWER IT1190872B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT21893/82A IT1190872B (en) 1982-06-17 1982-06-17 AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN THE AVERAGE LISTENING POWER
GB08315613A GB2123231B (en) 1982-06-17 1983-06-07 Gain control of audio-amplifying systems
DE19833321293 DE3321293A1 (en) 1982-06-17 1983-06-13 AUDIO REINFORCEMENT SYSTEM WITH INCREASE IN THE AVERAGE PERFORMANCE
JP58105961A JPS595711A (en) 1982-06-17 1983-06-15 Voice amplifying system
FR8310097A FR2529035A1 (en) 1982-06-17 1983-06-17 AUDIO FREQUENCY AMPLIFICATION DEVICE FOR INCREASING AVERAGE LISTENING POWER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21893/82A IT1190872B (en) 1982-06-17 1982-06-17 AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN THE AVERAGE LISTENING POWER

Publications (2)

Publication Number Publication Date
IT8221893A0 true IT8221893A0 (en) 1982-06-17
IT1190872B IT1190872B (en) 1988-02-24

Family

ID=11188326

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21893/82A IT1190872B (en) 1982-06-17 1982-06-17 AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN THE AVERAGE LISTENING POWER

Country Status (5)

Country Link
JP (1) JPS595711A (en)
DE (1) DE3321293A1 (en)
FR (1) FR2529035A1 (en)
GB (1) GB2123231B (en)
IT (1) IT1190872B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1201797A (en) * 1983-01-20 1986-03-11 Frederick H.K. Rambow Circuit for controlling the magnitude of amplification of signals produced by a borehole televiewer
FR2594609B1 (en) * 1986-02-18 1988-04-29 Grenet Edouard DEVICE FOR AUTOMATIC CORRECTION OF SOUND VOLUME VARIATIONS OF A BROADCASTING OR TELEVISION RECEIVER
US5327101A (en) * 1993-07-02 1994-07-05 Ford Motor Company Distortion-free limiter for a power amplifier
US6133792A (en) * 1998-09-17 2000-10-17 Telefonakteibolaget Lm Ericsson Method and apparatus for preventing power amplifier saturation
US6828859B2 (en) 2001-08-17 2004-12-07 Silicon Laboratories, Inc. Method and apparatus for protecting devices in an RF power amplifier
DE60331728D1 (en) 2003-07-15 2010-04-29 St Microelectronics Sa Automatic gain control method, for example in a telecommunication system, apparatus and computer program therefor
EP3930185A1 (en) * 2020-06-26 2021-12-29 NXP USA, Inc. Amplifier circuit with an output limiter

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1313261A (en) * 1961-11-15 1962-12-28 Thomson Houston Comp Francaise Improvements to control systems
GB1056265A (en) * 1962-10-15 1967-01-25 Shipton Electronics Ltd Improvements in or relating to automatic gain control circuits
CH462894A (en) * 1966-09-29 1968-09-30 Eresa S A Automatic gain adjustment device of an audio amplifier
BE742465A (en) * 1968-12-11 1970-05-14
US3770984A (en) * 1971-03-03 1973-11-06 Harris Intertype Corp Fast recovery low distortion limiter circuit
DE2403799B2 (en) * 1974-01-26 1979-07-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Amplifier circuit with automatic gain control
GB1507186A (en) * 1974-06-24 1978-04-12 Sony Corp Limiter circuit
AT348590B (en) * 1975-09-26 1979-02-26 Grundig Emv CIRCUIT ARRANGEMENT TO DISCONNECT THE INFLUENCE OF SHORT INTERFERENCE PULSES WITH AUTOMATIC LEVEL CONTROL
GB1592575A (en) * 1976-09-15 1981-07-08 Siemens Ag Level-controlled amplifier or attenuator circuits
US4048573A (en) * 1976-10-15 1977-09-13 Mcintosh Laboratory, Incorporated Amplifier improvements for limiting clipping
JPS5515857U (en) * 1978-07-17 1980-01-31
US4233566A (en) * 1978-10-23 1980-11-11 Technical Audio Products Corporation Distortion free power limiting and clipping prevention circuit
GB2059202B (en) * 1979-09-14 1983-11-02 Plessey Co Ltd Digitally controlled wide range automatic gain control
DE3027715C2 (en) * 1980-07-19 1986-10-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Circuit arrangement for automatic control or limitation of the dynamics of signals

Also Published As

Publication number Publication date
GB8315613D0 (en) 1983-07-13
FR2529035A1 (en) 1983-12-23
IT1190872B (en) 1988-02-24
GB2123231B (en) 1986-04-16
JPS595711A (en) 1984-01-12
GB2123231A (en) 1984-01-25
DE3321293A1 (en) 1984-01-05

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970628