IT1401466B1 - Circuito elettronico per pilotare un amplificatore a commutazione - Google Patents

Circuito elettronico per pilotare un amplificatore a commutazione

Info

Publication number
IT1401466B1
IT1401466B1 ITMI2010A001163A ITMI20101163A IT1401466B1 IT 1401466 B1 IT1401466 B1 IT 1401466B1 IT MI2010A001163 A ITMI2010A001163 A IT MI2010A001163A IT MI20101163 A ITMI20101163 A IT MI20101163A IT 1401466 B1 IT1401466 B1 IT 1401466B1
Authority
IT
Italy
Prior art keywords
drive
electronic circuit
switching amplifier
amplifier
switching
Prior art date
Application number
ITMI2010A001163A
Other languages
English (en)
Inventor
Giovanni Gonano
Edoardo Botti
Flavio Polloni
Pietro Mario Adduci
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 ITMI2010A001163A priority Critical patent/IT1401466B1/it
Priority to US13/168,667 priority patent/US8659351B2/en
Publication of ITMI20101163A1 publication Critical patent/ITMI20101163A1/it
Application granted granted Critical
Publication of IT1401466B1 publication Critical patent/IT1401466B1/it

Links

Classifications

    • 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
    • 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
ITMI2010A001163A 2010-06-25 2010-06-25 Circuito elettronico per pilotare un amplificatore a commutazione IT1401466B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI2010A001163A IT1401466B1 (it) 2010-06-25 2010-06-25 Circuito elettronico per pilotare un amplificatore a commutazione
US13/168,667 US8659351B2 (en) 2010-06-25 2011-06-24 Electronic circuit for driving a switching amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2010A001163A IT1401466B1 (it) 2010-06-25 2010-06-25 Circuito elettronico per pilotare un amplificatore a commutazione

Publications (2)

Publication Number Publication Date
ITMI20101163A1 ITMI20101163A1 (it) 2011-12-26
IT1401466B1 true IT1401466B1 (it) 2013-07-26

Family

ID=43589539

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2010A001163A IT1401466B1 (it) 2010-06-25 2010-06-25 Circuito elettronico per pilotare un amplificatore a commutazione

Country Status (2)

Country Link
US (1) US8659351B2 (it)
IT (1) IT1401466B1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9048791B2 (en) 2012-04-13 2015-06-02 Taiwan Semiconductor Manufacturing Co., Ltd. Multi-stage amplifier with pulse width modulation (PWM) noise shaping
JP6061604B2 (ja) * 2012-10-11 2017-01-18 キヤノン株式会社 増幅回路
US9509261B2 (en) * 2013-12-02 2016-11-29 Crestron Electronics Inc. Reduced crosstalk and matched output power audio amplifier
US10418950B1 (en) * 2018-05-09 2019-09-17 Semiconductor Components Industries, Llc Methods and apparatus for a class-D amplifier
US10862471B2 (en) * 2019-02-28 2020-12-08 Dialog Semiconductor (Uk) Limited Signal modulator
US11165431B1 (en) * 2020-12-09 2021-11-02 Analog Devices, Inc. Techniques for measuring slew rate in current integrating phase interpolator
US11804814B1 (en) * 2022-04-13 2023-10-31 Stmicroelectronics S.R.L. Noise shaper fader
CN116094512B (zh) * 2023-02-01 2023-12-12 无锡宇宁智能科技有限公司 模拟直接加法电路及对应的电子设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6181199B1 (en) * 1999-01-07 2001-01-30 Ericsson Inc. Power IQ modulation systems and methods
US6538504B1 (en) * 2000-05-19 2003-03-25 Jam Technologies, Llc Switching amplifier crossover distortion reduction technique
DE60035108T2 (de) 2000-08-29 2008-02-07 Stmicroelectronics S.R.L., Agrate Brianza Leistungsverstärkervorrichtung
US7378904B2 (en) * 2003-10-15 2008-05-27 Texas Instruments Incorporated Soft transitions between muted and unmuted states in class D audio amplifiers
US8355465B2 (en) * 2004-11-10 2013-01-15 Sige Semiconductor (Europe) Limited Driver circuit for driving a power amplifier
KR100618408B1 (ko) 2005-05-17 2006-08-31 (주)펄서스 테크놀러지 디지털 앰프용 펄스 폭 변조기, 디지털 앰프의 팝 노이즈감소 방법 및 디지털 앰프
TWI318495B (en) * 2006-06-29 2009-12-11 Realtek Semiconductor Corp Switching audio power amplifier and method for pop noise suppression
US7417504B2 (en) * 2006-08-04 2008-08-26 International Rectifier Corporation Startup and shutdown click noise elimination for class D amplifier
GB2441572B (en) * 2006-09-05 2009-01-28 Stream Technology Ltd M Switching amplifier
US7872522B2 (en) * 2006-11-15 2011-01-18 Analog Devices, Inc. Noise reduction system and method for audio switching amplifier
US7629842B2 (en) * 2008-03-17 2009-12-08 Himax Analogic, Inc. Class D audio amplifier
ITMI20080930A1 (it) * 2008-05-21 2009-11-22 St Microelectronics Srl Circuito di amplificazione per il pilotaggio di un diffusore
JP5026488B2 (ja) * 2008-10-28 2012-09-12 旭化成エレクトロニクス株式会社 Ｐｗｍ信号生成回路、ｄ級増幅器及びその駆動方法

Also Published As

Publication number Publication date
ITMI20101163A1 (it) 2011-12-26
US8659351B2 (en) 2014-02-25
US20120045076A1 (en) 2012-02-23

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