CN101350600B - D级放大器 - Google Patents
D级放大器 Download PDFInfo
- Publication number
- CN101350600B CN101350600B CN2008101281543A CN200810128154A CN101350600B CN 101350600 B CN101350600 B CN 101350600B CN 2008101281543 A CN2008101281543 A CN 2008101281543A CN 200810128154 A CN200810128154 A CN 200810128154A CN 101350600 B CN101350600 B CN 101350600B
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- capacity cell
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- pulse signal
- Prior art date
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- 230000007704 transition Effects 0.000 claims description 16
- 230000000052 comparative effect Effects 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 16
- 238000007599 discharging Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 101100524516 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RFA2 gene Proteins 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 102100037224 Noncompact myelin-associated protein Human genes 0.000 description 2
- 101710184695 Noncompact myelin-associated protein Proteins 0.000 description 2
- 101100033865 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RFA1 gene Proteins 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 101100328957 Caenorhabditis elegans clk-1 gene Proteins 0.000 description 1
- 102100024829 DNA polymerase delta catalytic subunit Human genes 0.000 description 1
- 102100028138 F-box/WD repeat-containing protein 7 Human genes 0.000 description 1
- 101000868333 Homo sapiens Cyclin-dependent kinase 1 Proteins 0.000 description 1
- 101000909198 Homo sapiens DNA polymerase delta catalytic subunit Proteins 0.000 description 1
- 101001060231 Homo sapiens F-box/WD repeat-containing protein 7 Proteins 0.000 description 1
- 101000632319 Homo sapiens Septin-7 Proteins 0.000 description 1
- 102100027981 Septin-7 Human genes 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Images
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
Abstract
Description
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007189768A JP4785801B2 (ja) | 2007-07-20 | 2007-07-20 | D級増幅器 |
JP2007189768 | 2007-07-20 | ||
JP2007-189768 | 2007-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101350600A CN101350600A (zh) | 2009-01-21 |
CN101350600B true CN101350600B (zh) | 2012-11-14 |
Family
ID=40264362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101281543A Active CN101350600B (zh) | 2007-07-20 | 2008-07-21 | D级放大器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7825725B2 (zh) |
JP (1) | JP4785801B2 (zh) |
CN (1) | CN101350600B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110057030A1 (en) * | 2009-09-04 | 2011-03-10 | Omesh Persaud | Card Including Account Number With Value Amount |
JP2012015650A (ja) | 2010-06-29 | 2012-01-19 | Renesas Electronics Corp | D級増幅器 |
CN102545800B (zh) * | 2010-12-29 | 2015-09-23 | 意法半导体研发(深圳)有限公司 | 放大信号的电路及其方法 |
US9161122B2 (en) * | 2012-10-18 | 2015-10-13 | Tritan Technology Inc. | Apparatus for differential interpolation pulse width modulation digital-to-analog conversion and output signal coding method thereof |
EP2972424B1 (en) * | 2013-03-15 | 2018-07-11 | Bird Technologies Group Inc. | Passive intermodulation testing using pulse stimulus |
US9461595B2 (en) | 2014-03-14 | 2016-10-04 | Qualcomm Incoporated | Integrator for class D audio amplifier |
CN108092634A (zh) * | 2018-01-11 | 2018-05-29 | 福建星海通信科技有限公司 | 一种宽频带、大功率水声d类功率放大器 |
IT202000014302A1 (it) * | 2020-06-16 | 2021-12-16 | St Microelectronics Srl | Circuito modulatore, dispositivo e procedimento corrispondenti |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1594223A1 (en) * | 2004-05-06 | 2005-11-09 | NEC Electronics Corporation | Class D amplifier |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6262632B1 (en) * | 1999-11-16 | 2001-07-17 | Texas Instruments Incorporated | Concept and method to enable filterless, efficient operation of Class-D amplifiers |
JP4161545B2 (ja) * | 2001-06-07 | 2008-10-08 | サンケン電気株式会社 | スイッチングアンプ |
JP4731828B2 (ja) | 2004-04-14 | 2011-07-27 | ルネサスエレクトロニクス株式会社 | D級アンプ |
TWI361559B (en) * | 2005-03-07 | 2012-04-01 | Monolithic Power Systems Inc | Audio amplifier with high power and high efficiency |
-
2007
- 2007-07-20 JP JP2007189768A patent/JP4785801B2/ja active Active
-
2008
- 2008-07-21 US US12/219,349 patent/US7825725B2/en active Active
- 2008-07-21 CN CN2008101281543A patent/CN101350600B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1594223A1 (en) * | 2004-05-06 | 2005-11-09 | NEC Electronics Corporation | Class D amplifier |
Also Published As
Publication number | Publication date |
---|---|
JP2009027540A (ja) | 2009-02-05 |
US7825725B2 (en) | 2010-11-02 |
US20090021305A1 (en) | 2009-01-22 |
JP4785801B2 (ja) | 2011-10-05 |
CN101350600A (zh) | 2009-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: RENESAS ELECTRONICS CO., LTD. Free format text: FORMER OWNER: NEC CORP. Effective date: 20101124 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20101124 Address after: Kanagawa, Japan Applicant after: Renesas Electronics Corporation Address before: Kanagawa, Japan Applicant before: NEC Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: Tokyo, Japan Patentee after: Renesas Electronics Corporation Address before: Kanagawa, Japan Patentee before: Renesas Electronics Corporation |
|
CP02 | Change in the address of a patent holder |