JP2001502156A - ディジタル信号増幅装置 - Google Patents

ディジタル信号増幅装置

Info

Publication number
JP2001502156A
JP2001502156A JP11511895A JP51189599A JP2001502156A JP 2001502156 A JP2001502156 A JP 2001502156A JP 11511895 A JP11511895 A JP 11511895A JP 51189599 A JP51189599 A JP 51189599A JP 2001502156 A JP2001502156 A JP 2001502156A
Authority
JP
Japan
Prior art keywords
input
output
digital signal
comparator
signal
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
JP11511895A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001502156A5 (enExample
Inventor
デン ホンベルフ ヨハネス アルデホンダ セオドラ マリア ファン
キャスリーン ジェーン ペトルス フィリップス
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2001502156A publication Critical patent/JP2001502156A/ja
Publication of JP2001502156A5 publication Critical patent/JP2001502156A5/ja
Ceased legal-status Critical Current

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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP11511895A 1997-08-12 1998-07-16 ディジタル信号増幅装置 Ceased JP2001502156A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97202484.8 1997-08-12
EP97202484 1997-08-12
PCT/IB1998/001080 WO1999008378A2 (en) 1997-08-12 1998-07-16 Device for amplifying digital signals

Publications (2)

Publication Number Publication Date
JP2001502156A true JP2001502156A (ja) 2001-02-13
JP2001502156A5 JP2001502156A5 (enExample) 2006-01-05

Family

ID=8228634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11511895A Ceased JP2001502156A (ja) 1997-08-12 1998-07-16 ディジタル信号増幅装置

Country Status (5)

Country Link
US (1) US6140875A (enExample)
EP (1) EP0932932B1 (enExample)
JP (1) JP2001502156A (enExample)
DE (1) DE69818631T2 (enExample)
WO (1) WO1999008378A2 (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004194334A (ja) * 2002-12-11 2004-07-08 Dialog Semiconductor Gmbh Ｐｄｍｄ級増幅器の線形化
US6924700B2 (en) 2002-10-03 2005-08-02 Mitsubishi Denki Kabushiki Kaisha Class D amplifier
CN100461626C (zh) * 2002-10-03 2009-02-11 三菱电机株式会社 D类放大器
JP2010504004A (ja) * 2006-07-07 2010-02-04 エヌエックスピー ビー ヴィ Ｄ級音声増幅器
JP2011030010A (ja) * 2009-07-27 2011-02-10 Rohm Co Ltd 半導体装置および電子機器
JP2012114535A (ja) * 2010-11-22 2012-06-14 Rohm Co Ltd 半導体装置及びこれを用いた電子機器
JP2013541305A (ja) * 2010-10-27 2013-11-07 メルス オーディオ アンパーツゼルスカブ マルチレベルのパルス幅変調を使用するオーディオアンプ

Families Citing this family (25)

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Publication number Priority date Publication date Assignee Title
WO1999038255A2 (en) * 1998-01-22 1999-07-29 Koninklijke Philips Electronics N.V. Pwm amplifier
US6420930B1 (en) 2000-07-12 2002-07-16 Monolithic Power Systems, Inc. Class D audio amplifier
US6476673B2 (en) * 2000-07-12 2002-11-05 Monolithic Power Systems, Inc. Class D audio amplifier
US6891432B2 (en) * 2002-11-14 2005-05-10 Mia-Com, Inc. Apparatus, methods and articles of manufacture for electromagnetic processing
US7526260B2 (en) * 2002-11-14 2009-04-28 M/A-Com Eurotec, B.V. Apparatus, methods and articles of manufacture for linear signal modification
US7545865B2 (en) * 2002-12-03 2009-06-09 M/A-Com, Inc. Apparatus, methods and articles of manufacture for wideband signal processing
US7245183B2 (en) * 2002-11-14 2007-07-17 M/A-Com Eurotec Bv Apparatus, methods and articles of manufacture for processing an electromagnetic wave
US7298854B2 (en) * 2002-12-04 2007-11-20 M/A-Com, Inc. Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
US6924699B2 (en) * 2003-03-06 2005-08-02 M/A-Com, Inc. Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processing
US7203262B2 (en) 2003-05-13 2007-04-10 M/A-Com, Inc. Methods and apparatus for signal modification in a fractional-N phase locked loop system
US7187231B2 (en) * 2002-12-02 2007-03-06 M/A-Com, Inc. Apparatus, methods and articles of manufacture for multiband signal processing
US6859098B2 (en) 2003-01-17 2005-02-22 M/A-Com, Inc. Apparatus, methods and articles of manufacture for control in an electromagnetic processor
US7038535B2 (en) * 2003-03-29 2006-05-02 Wai Laing Lee PWM digital amplifier with high-order loop filter
US7091778B2 (en) * 2003-09-19 2006-08-15 M/A-Com, Inc. Adaptive wideband digital amplifier for linearly modulated signal amplification and transmission
US7480511B2 (en) * 2003-09-19 2009-01-20 Trimble Navigation Limited Method and system for delivering virtual reference station data
AU2003304647A1 (en) * 2003-10-10 2005-04-27 Tc Electronic A/S Power supply compensation
US7343138B2 (en) * 2003-12-08 2008-03-11 M/A-Com, Inc. Compensating for load pull in electromagentic signal propagation using adaptive impedance matching
TWI282211B (en) * 2005-01-17 2007-06-01 Realtek Semiconductor Corp Power amplifier and method for correcting error of output signals thereof
US7283001B2 (en) * 2005-05-12 2007-10-16 Cirrus Logic, Inc. Noise-shaping amplifier with waveform lock
GB2429351B (en) * 2005-08-17 2009-07-08 Wolfson Microelectronics Plc Feedback controller for PWM amplifier
CN101371434B (zh) * 2006-01-24 2011-04-20 D2音频有限公司 用于通过将超声波信号加到输入音频信号以改进数字放大器的性能的系统和方法
TWI336166B (en) * 2006-02-20 2011-01-11 Realtek Semiconductor Corp Digital amplifier and thereof method
US7847433B2 (en) 2007-11-27 2010-12-07 Rain Bird Corporation Universal irrigation controller power supply
US7554391B1 (en) 2008-01-11 2009-06-30 Freescale Semiconductor, Inc. Amplifier having a virtual ground and method thereof
SE534502C2 (sv) * 2009-09-14 2011-09-13 Abletec As Effektförstärkare

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537022A (en) * 1968-01-10 1970-10-27 Hewlett Packard Co Signal translating circuit
JPS5829646B2 (ja) * 1974-11-02 1983-06-24 ソニー株式会社 パルス幅変調増幅器
JPS5947486B2 (ja) * 1976-12-06 1984-11-19 ソニー株式会社 パルス幅変調増巾回路
JPS6017167B2 (ja) * 1978-05-23 1985-05-01 ソニー株式会社 パルス巾変調信号増幅回路
JPS58130617A (ja) * 1982-01-29 1983-08-04 Nippon Gakki Seizo Kk パルス幅変調回路
US4554512A (en) * 1984-08-27 1985-11-19 Aerotech, Inc. Switching amplifier with MOSFET driver circuit
SU1252887A1 (ru) * 1985-01-07 1986-08-23 Предприятие П/Я А-1658 Преобразователь с частотно-широтно-импульсным управлением
DE3934215A1 (de) * 1989-10-13 1991-04-18 Rheydt Kabelwerk Ag Digital/analogsystem
GB9027503D0 (en) * 1990-12-19 1991-02-06 Sandler Mark B Improvements in or relating to digital to analogue conversion
US5218315A (en) * 1992-01-06 1993-06-08 Infinity Systems, Inc. Switching amplifier
US5160896A (en) * 1992-02-18 1992-11-03 Harman International Industries, Incorporated Class D amplifier
US5352986A (en) * 1993-01-22 1994-10-04 Digital Fidelity, Inc. Closed loop power controller
US5410592A (en) * 1993-06-04 1995-04-25 Harris Corporation Class `D` audio speaker amplifier circuit with state variable feedback control
US5815581A (en) * 1995-10-19 1998-09-29 Mitel Semiconductor, Inc. Class D hearing aid amplifier with feedback
US5617058A (en) * 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
DE19619208A1 (de) * 1996-05-11 1997-11-13 Klugbauer Heilmeier Josef Digitaler Verstärker

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6924700B2 (en) 2002-10-03 2005-08-02 Mitsubishi Denki Kabushiki Kaisha Class D amplifier
US6989714B2 (en) 2002-10-03 2006-01-24 Mitsubishi Denki Kabushiki Kaisha Class D amplifier
US7057456B2 (en) 2002-10-03 2006-06-06 Mitsubishi Denki Kabushiki Kaisha Class D amplifier
CN100461626C (zh) * 2002-10-03 2009-02-11 三菱电机株式会社 D类放大器
JP2004194334A (ja) * 2002-12-11 2004-07-08 Dialog Semiconductor Gmbh Ｐｄｍｄ級増幅器の線形化
JP2010504004A (ja) * 2006-07-07 2010-02-04 エヌエックスピー ビー ヴィ Ｄ級音声増幅器
JP2011030010A (ja) * 2009-07-27 2011-02-10 Rohm Co Ltd 半導体装置および電子機器
JP2013541305A (ja) * 2010-10-27 2013-11-07 メルス オーディオ アンパーツゼルスカブ マルチレベルのパルス幅変調を使用するオーディオアンプ
US9515617B2 (en) 2010-10-27 2016-12-06 Merus Audio Aps Audio amplifier using multi-level pulse width modulation
US9979354B2 (en) 2010-10-27 2018-05-22 Merus Audio Aps Audio amplifier using multi-level pulse width modulation
JP2012114535A (ja) * 2010-11-22 2012-06-14 Rohm Co Ltd 半導体装置及びこれを用いた電子機器

Also Published As

Publication number Publication date
WO1999008378A2 (en) 1999-02-18
WO1999008378A3 (en) 1999-04-29
EP0932932B1 (en) 2003-10-01
US6140875A (en) 2000-10-31
DE69818631T2 (de) 2004-08-12
EP0932932A1 (en) 1999-08-04
DE69818631D1 (de) 2003-11-06

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