[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

IT1268473B1 - Circuito di controllo della salita della tensione sul nodo di uscita di un amplificatore, all'accensione - Google Patents

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

Info

Publication number
IT1268473B1
IT1268473B1 IT93VA000023A ITVA930023A IT1268473B1 IT 1268473 B1 IT1268473 B1 IT 1268473B1 IT 93VA000023 A IT93VA000023 A IT 93VA000023A IT VA930023 A ITVA930023 A IT VA930023A IT 1268473 B1 IT1268473 B1 IT 1268473B1
Authority
IT
Italy
Prior art keywords
amplifier
control circuit
output node
voltage rise
rise control
Prior art date
Application number
IT93VA000023A
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 US08/328,233 priority patent/US5532645A/en
Priority to JP6284242A priority patent/JPH07183734A/ja
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
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
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

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 ITVA930023A0 (it) 1993-10-22
ITVA930023A1 ITVA930023A1 (it) 1995-04-22
IT1268473B1 true 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
US5148115A (en) * 1990-04-19 1992-09-15 Sanyo Electric Co., Ltd. Load connection state detector circuit
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
ITVA930023A0 (it) 1993-10-22
JPH07183734A (ja) 1995-07-21
US5532645A (en) 1996-07-02
EP0650254B1 (en) 1998-09-30
DE69413638T2 (de) 1999-02-25
EP0650254A1 (en) 1995-04-26
DE69413638D1 (de) 1998-11-05
ITVA930023A1 (it) 1995-04-22

Similar Documents

Publication Publication Date Title
IT8522181A0 (it) Stadio di uscita cmos a grande escursione di tensione e con stabilizzazione della corrente diriposo.
ITMI911994A1 (it) Circuito integrato regolatore di tensione ad elevata stabilita' e basso consumo di corrente.
BR9702830A (pt) Circuito de estabilização de voltagem de saída
DE69114408D1 (de) Konstantspannungserzeugungsschaltung.
DE69111869D1 (de) Referenzspannungserzeugungsschaltung.
DE69324718D1 (de) Thermisch abhängige, selbständernde Spannungsquelle
IT8622720A0 (it) Circuito limitatore di tensione.
IT1268473B1 (it) Circuito di controllo della salita della tensione sul nodo di uscita di un amplificatore, all'accensione
IT1246491B (it) Circuito pilota mos
KR910017438U (ko) Smps의 출력 전압 안정화 회로
DE69106242D1 (de) Niederspannungsgehäuse.
ITRM920026A0 (it) Circuito di generazione di tensione di riferimento.
IT1209219B (it) Circuito a specchio di corrente ad alta impedenza di uscita a bassa 'perdita di tensione'.
ES515102A0 (es) "un amplificador operacional en circuito integrado de alta tension".
DE69308838D1 (de) Spannungserhöhenderschaltung mit geregelter Ausgangsspannung
FR2703124B1 (fr) Soufflet elastiquement deformable.
IT9022448A0 (it) Circuito di controllo di caratteristiche tensione/corrente particolarmente per la protezione di transistori di potenza
DE69202675D1 (de) Spannungsregelschaltung.
KR950020536U (ko) 연산증폭기를 이용한 정전압회로
KR960029816U (ko) 출력전압 안정화회로
KR950015802U (ko) 출력전압 안정화 회로
KR950012690U (ko) 출력전압 안정화 회로
ITPN920069A0 (it) Convertitori boost con circuito perfezionato di alimentazione a tensione stabilizzata.
KR950015793U (ko) 전압 출력 제어회로
KR950015797U (ko) 전압출력 제어회로

Legal Events

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

Effective date: 19971030