KR20080090463A - 구동 장치 - Google Patents
구동 장치 Download PDFInfo
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- KR20080090463A KR20080090463A KR1020087018270A KR20087018270A KR20080090463A KR 20080090463 A KR20080090463 A KR 20080090463A KR 1020087018270 A KR1020087018270 A KR 1020087018270A KR 20087018270 A KR20087018270 A KR 20087018270A KR 20080090463 A KR20080090463 A KR 20080090463A
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- 230000001629 suppression Effects 0.000 claims abstract description 81
- 230000001939 inductive effect Effects 0.000 claims abstract description 19
- 230000010365 information processing Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 101100381996 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) BRO1 gene Proteins 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
- H03F3/387—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with semiconductor devices only
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- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
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- 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
-
- 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
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/284—Modifications for introducing a time delay before switching in field effect transistor switches
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/04—Shaping pulses by increasing duration; by decreasing duration
- H03K5/06—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45526—Indexing scheme relating to differential amplifiers the FBC comprising a resistor-capacitor combination and being coupled between the LC and the IC
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (6)
- 스위칭 소자를 이용하여 부하에 대한 전력의 공급을 제어하는 구동 장치로서,상기 부하에 접속되고, 복수의 스위칭 소자로 이루어지는 스위칭 회로를 갖는 구동 수단과,상기 부하의 출력 단자에 나타나는 출력 신호를, 입력 신호가 입력되는 입력 단자측으로 피드백시키는 제1 피드백 수단과,상기 입력 단자에 접속되며, 상기 제1 피드백 수단에 의해 피드백된 출력 신호를 상기 입력 신호와 비교하여 상기 신호 간의 오차를 검출하고, 상기 오차를 보정한 오차 억압 신호를 생성하는 오차 억압 수단과,상기 오차 억압 신호에 기초하여, 상기 구동 수단의 상기 복수의 스위칭 소자의 동작 전환을 제어하는 제어 수단과,상기 오차 억압 수단으로부터 출력된 신호의 기울기 성분을 검출하고, 상기 기울기 성분을 상기 오차 억압 수단의 입력 단자측으로 피드백시키는 제2 피드백 수단을 구비하며,상기 오차 억압 수단은 상기 제1 피드백 수단에 의해 피드백된 출력 신호에 상기 제2 피드백 수단에 의해 피드백된 상기 기울기 성분을 더한 합성 신호와 상기 입력 신호를 비교하여 상기 신호 간의 오차를 검출하고, 상기 오차를 보정한 오차 억압 신호를 생성하는 것을 특징으로 하는 구동 장치.
- 제1항에 있어서, 상기 제2 피드백 수단은,상기 오차 억압 수단으로부터 출력된 신호를 미분하는 미분 회로인 것을 특징으로 하는 구동 장치.
- 제1항에 있어서, 상기 제2 피드백 수단은,고역 통과 필터 또는 대역 통과 필터인 것을 특징으로 하는 구동 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 부하는 용량성 부하 또는 유도성 부하인 것을 특징으로 하는 구동 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 부하는 압전 스피커 또는 다이내믹형 스피커인 것을 특징으로 하는 구동 장치.
- 스위칭 소자를 이용하여 부하에 대한 전력의 공급을 제어하는 제1항 내지 제5항 중 어느 한 항에 기재된 구동 장치와,통신 기능 및 정보 처리 기능을 가지며, 상기 구동 장치를 제어하는 정보 처리부와,상기 구동 장치 및 상기 정보 처리부에 대하여 전력을 공급하는 전지를 구비한 것을 특징으로 하는 정보 기기.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2006-00135596 | 2006-05-15 | ||
JP2006135596 | 2006-05-15 | ||
JPJP-P-2007-00042485 | 2007-02-22 | ||
JP2007042485 | 2007-02-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080090463A true KR20080090463A (ko) | 2008-10-08 |
KR100977505B1 KR100977505B1 (ko) | 2010-08-23 |
Family
ID=38693932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087018270A KR100977505B1 (ko) | 2006-05-15 | 2007-05-15 | 구동 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7463090B2 (ko) |
EP (1) | EP2019488B1 (ko) |
JP (1) | JP4759050B2 (ko) |
KR (1) | KR100977505B1 (ko) |
WO (1) | WO2007132842A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101443998B (zh) * | 2006-05-15 | 2011-05-04 | 旭化成电子材料元件株式会社 | 驱动装置 |
TWI353718B (en) * | 2007-12-25 | 2011-12-01 | Anpec Electronics Corp | Switching amplifier |
US7999610B2 (en) * | 2009-11-11 | 2011-08-16 | Amazing Microelectronic Corp. | Class D amplifier capable of setting restraint power |
WO2011064787A1 (en) * | 2009-11-30 | 2011-06-03 | ST-Ericsson India Pvt. Ltd. | Pop-up noise reduction in a device |
TWI411224B (zh) * | 2009-12-07 | 2013-10-01 | Faraday Tech Corp | D級放大器 |
JP5324417B2 (ja) * | 2009-12-25 | 2013-10-23 | 旭化成エレクトロニクス株式会社 | 駆動用ドライバ、駆動用アンプおよび情報機器 |
US9000690B2 (en) | 2012-06-13 | 2015-04-07 | Texas Instruments Incorporated | Driver for capacitive loads |
DK201770859A1 (en) * | 2016-11-14 | 2018-05-28 | Tymphany Hk Ltd | Class-d power amplifier nested inside low-noise differential op-amp feedback loop |
US20220190554A1 (en) * | 2020-12-16 | 2022-06-16 | Macom Technology Solutions Holdings, Inc. | Pam driver with distributed modulation current setpoint feedback |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0728181B2 (ja) * | 1988-12-28 | 1995-03-29 | パイオニア株式会社 | パルス幅変調増幅回路 |
US5672998A (en) * | 1995-08-09 | 1997-09-30 | Harris Corporation | Class D amplifier and method |
US5805020A (en) * | 1996-06-27 | 1998-09-08 | Harris Corporation | Silent start class D amplifier |
US6229389B1 (en) * | 1998-11-18 | 2001-05-08 | Intersil Corporation | Class D modulator with peak current limit and load impedance sensing circuits |
US6262632B1 (en) | 1999-11-16 | 2001-07-17 | Texas Instruments Incorporated | Concept and method to enable filterless, efficient operation of Class-D amplifiers |
US6211728B1 (en) | 1999-11-16 | 2001-04-03 | Texas Instruments Incorporated | Modulation scheme for filterless switching amplifiers |
US6441685B1 (en) * | 2000-03-17 | 2002-08-27 | Jl Audio, Inc. | Amplifier circuit and method for providing negative feedback thereto |
US6614297B2 (en) | 2001-07-06 | 2003-09-02 | Texas Instruments Incorporated | Modulation scheme for filterless switching amplifiers with reduced EMI |
JP3499236B1 (ja) | 2002-08-28 | 2004-02-23 | 株式会社フライングモール | ディジタル電力増幅器 |
JP3776392B2 (ja) * | 2002-10-03 | 2006-05-17 | 三菱電機株式会社 | D級増幅器 |
JP4770292B2 (ja) * | 2004-07-02 | 2011-09-14 | ヤマハ株式会社 | パルス幅変調増幅器 |
JP2006060549A (ja) * | 2004-08-20 | 2006-03-02 | Yamaha Corp | ディジタルアンプ |
JP4535819B2 (ja) * | 2004-09-24 | 2010-09-01 | Necアクセステクニカ株式会社 | 駆動回路および該駆動回路を備える携帯機器 |
JP4515926B2 (ja) | 2005-01-24 | 2010-08-04 | 旭化成エレクトロニクス株式会社 | デジタルスイッチングアンプ |
US7227408B2 (en) * | 2005-05-26 | 2007-06-05 | Bhc Consulting Pty., Ltd. | Low distortion class-D amplifier using sampling of a servo-loop amplifier output |
US7355473B2 (en) * | 2005-11-03 | 2008-04-08 | Amazion Electronics, Inc. | Filterless class D power amplifier |
-
2007
- 2007-05-15 US US11/798,592 patent/US7463090B2/en not_active Expired - Fee Related
- 2007-05-15 KR KR1020087018270A patent/KR100977505B1/ko active IP Right Grant
- 2007-05-15 WO PCT/JP2007/059946 patent/WO2007132842A1/ja active Application Filing
- 2007-05-15 EP EP07743381.1A patent/EP2019488B1/en not_active Expired - Fee Related
- 2007-05-15 JP JP2008515560A patent/JP4759050B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2019488A4 (en) | 2013-02-27 |
JP4759050B2 (ja) | 2011-08-31 |
JPWO2007132842A1 (ja) | 2009-09-24 |
KR100977505B1 (ko) | 2010-08-23 |
US7463090B2 (en) | 2008-12-09 |
EP2019488B1 (en) | 2014-12-24 |
EP2019488A1 (en) | 2009-01-28 |
WO2007132842A1 (ja) | 2007-11-22 |
US20070273437A1 (en) | 2007-11-29 |
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