ITVA930023A0 - Circuito di controllo della salita della tensione sul nodo di uscita di uscita di un apmplificatore all'accensione - Google Patents

Circuito di controllo della salita della tensione sul nodo di uscita di uscita di un apmplificatore all'accensione

Info

Publication number
ITVA930023A0
ITVA930023A0 ITVA930023A ITVA930023A ITVA930023A0 IT VA930023 A0 ITVA930023 A0 IT VA930023A0 IT VA930023 A ITVA930023 A IT VA930023A IT VA930023 A ITVA930023 A IT VA930023A IT VA930023 A0 ITVA930023 A0 IT VA930023A0
Authority
IT
Italy
Prior art keywords
amplifier
turn
control circuit
output node
voltage rise
Prior art date
Application number
ITVA930023A
Other languages
English (en)
Inventor
Mauro Fagnani
Bruno Ferrario
Paolo Sandri
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 IT93VA000023A priority Critical patent/IT1268473B1/it
Publication of ITVA930023A0 publication Critical patent/ITVA930023A0/it
Priority to DE69413638T priority patent/DE69413638T2/de
Priority to EP94830380A priority patent/EP0650254B1/en
Priority to JP6284242A priority patent/JPH07183734A/ja
Priority to US08/328,233 priority patent/US5532645A/en
Publication of ITVA930023A1 publication Critical patent/ITVA930023A1/it
Application granted granted Critical
Publication of IT1268473B1 publication Critical patent/IT1268473B1/it

Links

Classifications

    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
IT93VA000023A 1993-10-22 1993-10-22 Circuito di controllo della salita della tensione sul nodo di uscita di un amplificatore, all'accensione IT1268473B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT93VA000023A IT1268473B1 (it) 1993-10-22 1993-10-22 Circuito di controllo della salita della tensione sul nodo di uscita di un amplificatore, all'accensione
DE69413638T DE69413638T2 (de) 1993-10-22 1994-07-25 Schaltung zum Steuern des Antiegs einer Ausgangsspannung eines Verstärkers zum Einschaltzeitpunkt
EP94830380A EP0650254B1 (en) 1993-10-22 1994-07-25 Circuit for controlling the rise of the output voltage of an amplifier at start up
JP6284242A JPH07183734A (ja) 1993-10-22 1994-10-24 スタートアップ時の増幅器の出力電圧上昇コントロール用回路
US08/328,233 US5532645A (en) 1993-10-22 1994-10-24 Circuit for controlling the rise of the output voltage of an amplifier at start up

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93VA000023A IT1268473B1 (it) 1993-10-22 1993-10-22 Circuito di controllo della salita della tensione sul nodo di uscita di un amplificatore, all'accensione

Publications (3)

Publication Number Publication Date
ITVA930023A0 true ITVA930023A0 (it) 1993-10-22
ITVA930023A1 ITVA930023A1 (it) 1995-04-22
IT1268473B1 IT1268473B1 (it) 1997-03-04

Family

ID=11423260

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93VA000023A IT1268473B1 (it) 1993-10-22 1993-10-22 Circuito di controllo della salita della tensione sul nodo di uscita di un amplificatore, all'accensione

Country Status (5)

Country Link
US (1) US5532645A (it)
EP (1) EP0650254B1 (it)
JP (1) JPH07183734A (it)
DE (1) DE69413638T2 (it)
IT (1) IT1268473B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5917313A (en) * 1997-12-19 1999-06-29 Stmicroelectronics, Inc. DC-to-DC converter with soft-start error amplifier and associated method
US6785180B2 (en) * 2001-03-15 2004-08-31 Micron Technology, Inc. Programmable soft-start control for charge pump
US6603335B1 (en) 2002-06-11 2003-08-05 Sige Semiconductor Inc. Ramp circuit to reduce spectral regrowth of power amplifiers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2041345B1 (de) * 1970-08-20 1971-04-22 Grundig Emv Schaltungsanordnung zur Stabilisierung des Ruhestroms einer Gegentaktleistungsstufe mit komplementaeren Transistoren
US3995228A (en) * 1975-09-26 1976-11-30 Threshold Corporation Active bias circuit for operating push-pull amplifiers in class A mode
US4453193A (en) * 1982-10-12 1984-06-05 General Electric Company Overcurrent protection for push-pull circuits
JP2585249B2 (ja) * 1987-03-06 1997-02-26 株式会社東芝 音声増幅器のシヨツク音防止回路
KR0168053B1 (ko) * 1990-04-19 1999-03-20 이우에 사또시 부하 접속 상태 검출 장치
US5307025A (en) * 1992-07-14 1994-04-26 Media Vision, Inc. Audio power amplifier with noise prevention at turn-on and turn-off

Also Published As

Publication number Publication date
EP0650254A1 (en) 1995-04-26
JPH07183734A (ja) 1995-07-21
IT1268473B1 (it) 1997-03-04
DE69413638T2 (de) 1999-02-25
ITVA930023A1 (it) 1995-04-22
EP0650254B1 (en) 1998-09-30
US5532645A (en) 1996-07-02
DE69413638D1 (de) 1998-11-05

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971030