IT1291341B1 - Dispositivo di riduzione della componente di ripple del segnale alimentato ad un carico da un amplificatore di potenza switching - Google Patents

Dispositivo di riduzione della componente di ripple del segnale alimentato ad un carico da un amplificatore di potenza switching

Info

Publication number
IT1291341B1
IT1291341B1 IT97MI001092A ITMI971092A IT1291341B1 IT 1291341 B1 IT1291341 B1 IT 1291341B1 IT 97MI001092 A IT97MI001092 A IT 97MI001092A IT MI971092 A ITMI971092 A IT MI971092A IT 1291341 B1 IT1291341 B1 IT 1291341B1
Authority
IT
Italy
Prior art keywords
load
reducing
power amplifier
switching power
ripple component
Prior art date
Application number
IT97MI001092A
Other languages
English (en)
Inventor
Giovanni Casorerio
Original Assignee
Elettronica 97 Di Ing Giovanni
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 Elettronica 97 Di Ing Giovanni filed Critical Elettronica 97 Di Ing Giovanni
Priority to IT97MI001092A priority Critical patent/IT1291341B1/it
Publication of ITMI971092A0 publication Critical patent/ITMI971092A0/it
Priority to EP98107008A priority patent/EP0877467A1/en
Publication of ITMI971092A1 publication Critical patent/ITMI971092A1/it
Application granted granted Critical
Publication of IT1291341B1 publication Critical patent/IT1291341B1/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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • H02M1/15—Arrangements for reducing ripples from dc input or output using active elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IT97MI001092A 1997-05-09 1997-05-09 Dispositivo di riduzione della componente di ripple del segnale alimentato ad un carico da un amplificatore di potenza switching IT1291341B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT97MI001092A IT1291341B1 (it) 1997-05-09 1997-05-09 Dispositivo di riduzione della componente di ripple del segnale alimentato ad un carico da un amplificatore di potenza switching
EP98107008A EP0877467A1 (en) 1997-05-09 1998-04-17 Device for reducing the ripple component of the signal fed to a load by a switch mode power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97MI001092A IT1291341B1 (it) 1997-05-09 1997-05-09 Dispositivo di riduzione della componente di ripple del segnale alimentato ad un carico da un amplificatore di potenza switching

Publications (3)

Publication Number Publication Date
ITMI971092A0 ITMI971092A0 (it) 1997-05-09
ITMI971092A1 ITMI971092A1 (it) 1998-11-09
IT1291341B1 true IT1291341B1 (it) 1999-01-07

Family

ID=11377105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97MI001092A IT1291341B1 (it) 1997-05-09 1997-05-09 Dispositivo di riduzione della componente di ripple del segnale alimentato ad un carico da un amplificatore di potenza switching

Country Status (2)

Country Link
EP (1) EP0877467A1 (it)
IT (1) IT1291341B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101385237B (zh) * 2005-07-28 2012-12-12 Rgb系统公司 用于在d类放大器中实现软开关的方法和装置
DE102007021978B4 (de) 2007-05-10 2009-04-16 Compact Dynamics Gmbh Aktives Kompensationsfilter
WO2020014378A1 (en) 2018-07-10 2020-01-16 Bose Corporation Self-boosting amplifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6052607B2 (ja) * 1979-05-10 1985-11-20 ヤマハ株式会社 増幅器
US4594648A (en) * 1984-11-28 1986-06-10 Venus Scientific Inc. Wide frequency band coupling network for an active ripple and noise filter
US4667279A (en) * 1986-04-01 1987-05-19 Hewlett-Packard Company Transformer coupled pard bucker for DC power supplies
US5329245A (en) * 1993-06-28 1994-07-12 The United States Of America As Represented By The Secretary Of The Navy Hybrid high power amplifier

Also Published As

Publication number Publication date
ITMI971092A1 (it) 1998-11-09
EP0877467A1 (en) 1998-11-11
ITMI971092A0 (it) 1997-05-09

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