ITBO20050260A1 - Metodo per la modulazione di una tensione - Google Patents

Metodo per la modulazione di una tensione

Info

Publication number
ITBO20050260A1
ITBO20050260A1 IT000260A ITBO20050260A ITBO20050260A1 IT BO20050260 A1 ITBO20050260 A1 IT BO20050260A1 IT 000260 A IT000260 A IT 000260A IT BO20050260 A ITBO20050260 A IT BO20050260A IT BO20050260 A1 ITBO20050260 A1 IT BO20050260A1
Authority
IT
Italy
Prior art keywords
modules
load
voltage
switching means
supply sources
Prior art date
Application number
IT000260A
Other languages
English (en)
Inventor
Luigi Rinaldi
Original Assignee
Ocem 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 Ocem Spa filed Critical Ocem Spa
Priority to IT000260A priority Critical patent/ITBO20050260A1/it
Priority to EP06744530A priority patent/EP1872473B1/en
Priority to PCT/IB2006/000951 priority patent/WO2006111840A1/en
Priority to ES06744530T priority patent/ES2385026T3/es
Priority to AT06744530T priority patent/ATE551775T1/de
Publication of ITBO20050260A1 publication Critical patent/ITBO20050260A1/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244Stepped control
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217Class D power amplifiers; Switching amplifiers
    • H03F3/2175Class D power amplifiers; Switching amplifiers using analogue-digital or digital-analogue conversion
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217Class D power amplifiers; Switching amplifiers
    • H03F3/2178Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/507A switch being used for switching on or off a supply or supplying circuit in an IC-block amplifier circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/78A comparator being used in a controlling circuit of an amplifier
IT000260A 2005-04-20 2005-04-20 Metodo per la modulazione di una tensione ITBO20050260A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT000260A ITBO20050260A1 (it) 2005-04-20 2005-04-20 Metodo per la modulazione di una tensione
EP06744530A EP1872473B1 (en) 2005-04-20 2006-04-20 A method for voltage modulation
PCT/IB2006/000951 WO2006111840A1 (en) 2005-04-20 2006-04-20 A method for voltage modulation
ES06744530T ES2385026T3 (es) 2005-04-20 2006-04-20 Método para modulación de tensión
AT06744530T ATE551775T1 (de) 2005-04-20 2006-04-20 Verfahren zur spannungsmodulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000260A ITBO20050260A1 (it) 2005-04-20 2005-04-20 Metodo per la modulazione di una tensione

Publications (1)

Publication Number Publication Date
ITBO20050260A1 true ITBO20050260A1 (it) 2006-10-21

Family

ID=36603486

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000260A ITBO20050260A1 (it) 2005-04-20 2005-04-20 Metodo per la modulazione di una tensione

Country Status (5)

Country Link
EP (1) EP1872473B1 (it)
AT (1) ATE551775T1 (it)
ES (1) ES2385026T3 (it)
IT (1) ITBO20050260A1 (it)
WO (1) WO2006111840A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101491658B1 (ko) * 2013-04-25 2015-02-09 주식회사 피에스텍 스위칭 증폭기 장치 및 그 제어 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831334A (en) * 1987-06-08 1989-05-16 Hughes Aircraft Company Envelope amplifier
DE3805754A1 (de) * 1988-02-24 1989-09-07 Olympia Aeg Digitaler schaltverstaerker
US5066914A (en) * 1990-03-26 1991-11-19 General Electric Company Gradient amplifier system with flexible amplifier allocation
US5461341A (en) * 1994-06-29 1995-10-24 Harris Corporation Pulse step modulator
SE520530C2 (sv) * 2001-04-26 2003-07-22 Ericsson Telefon Ab L M Linjäriserad omkopplarbaserad effektförstärkare

Also Published As

Publication number Publication date
WO2006111840A1 (en) 2006-10-26
EP1872473B1 (en) 2012-03-28
EP1872473A1 (en) 2008-01-02
ES2385026T3 (es) 2012-07-17
ATE551775T1 (de) 2012-04-15

Similar Documents

Publication Publication Date Title
CN101763128B (zh) 一种恒流源
CN102238768B (zh) 发光二极管背光源驱动模块
CN202275588U (zh) 补偿led背光导通压降差异的电路
MY153548A (en) Led circuits and assemblies
TW200644728A (en) Circuit and method for serial powering of a LED string
CN103280203B (zh) Led背光驱动电路、液晶显示装置和一种驱动方法
WO2009062595A9 (de) Brennstoffzellenantrieb für ein kraftfahrzeug
RU2009102539A (ru) Большая площадь освещения
WO2009061219A3 (en) Power control
WO2007060129A3 (en) An arrangement for driving led cells
WO2014124121A8 (en) Pulse width modulation load share bus
WO2009044231A3 (en) A power system including a feed-back and a feed-forward control circuit
CN101013559A (zh) 一种led亮度控制电路及液晶显示器背光源
TW201531011A (zh) 電源轉換系統及其操作方法
CN202014395U (zh) 多通道pwm驱动芯片led灯驱动分时复用结构
CN102545800A (zh) 放大信号的电路及其方法
EP1447908A4 (en) POWER AMPLIFIER
DE60218512D1 (de) Anzeigentreiber, anzeige und treiber-verfahren mit reduzierter eingangsdatenrate
DE50302390D1 (de) Induktionskochfeld mit heizzonen neukonfigurierbarer struktur und verfahren zur erhöhung der maximalen leistung dieser heizzonen
WO2005111759A3 (en) Regulator circuit and corresponding uses
AU2011263714B2 (en) Modular solar receiver and solar power plant comprising at least one such receiver
ITBO20050260A1 (it) Metodo per la modulazione di una tensione
CN206058808U (zh) 一种分压供电的led模组
WO2007077433A3 (en) Power supply
DE602005013564D1 (it)