CN106452368B - 基于d类放大推动b类输出的大功率功放电路及其工作方法 - Google Patents
基于d类放大推动b类输出的大功率功放电路及其工作方法 Download PDFInfo
- Publication number
- CN106452368B CN106452368B CN201610175315.9A CN201610175315A CN106452368B CN 106452368 B CN106452368 B CN 106452368B CN 201610175315 A CN201610175315 A CN 201610175315A CN 106452368 B CN106452368 B CN 106452368B
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- circuit
- resistance
- diode
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- capacitor
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003321 amplification Effects 0.000 claims abstract description 28
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 28
- 239000003990 capacitor Substances 0.000 claims description 93
- 238000007493 shaping process Methods 0.000 claims description 43
- 239000004065 semiconductor Substances 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 14
- 101710083129 50S ribosomal protein L10, chloroplastic Proteins 0.000 claims description 6
- 230000005236 sound signal Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications 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
- H03F1/0216—Continuous control
-
- 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
- H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor amplifiers
-
- 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
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- 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
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610175315.9A CN106452368B (zh) | 2016-03-25 | 2016-03-25 | 基于d类放大推动b类输出的大功率功放电路及其工作方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610175315.9A CN106452368B (zh) | 2016-03-25 | 2016-03-25 | 基于d类放大推动b类输出的大功率功放电路及其工作方法 |
Publications (2)
Publication Number | Publication Date |
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CN106452368A CN106452368A (zh) | 2017-02-22 |
CN106452368B true CN106452368B (zh) | 2019-05-21 |
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CN201610175315.9A Active CN106452368B (zh) | 2016-03-25 | 2016-03-25 | 基于d类放大推动b类输出的大功率功放电路及其工作方法 |
Country Status (1)
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CN (1) | CN106452368B (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102035477A (zh) * | 2009-10-01 | 2011-04-27 | 三星电子株式会社 | 音频放大器 |
CN202496002U (zh) * | 2012-03-15 | 2012-10-17 | 深圳创维-Rgb电子有限公司 | 一种音频信号输出处理电路及电视机 |
CN103746662A (zh) * | 2014-01-13 | 2014-04-23 | 宁波中荣声学科技有限公司 | 功放电路 |
CN203851104U (zh) * | 2014-05-26 | 2014-09-24 | 固安信通信号技术股份有限公司 | 一种应用于btm的功率放大装置 |
CN104410295A (zh) * | 2014-11-18 | 2015-03-11 | 成都措普科技有限公司 | 一种大功率触发升压电路 |
CN105375884A (zh) * | 2015-11-24 | 2016-03-02 | 宁波柏人艾电子有限公司 | 一种音箱功放电路 |
-
2016
- 2016-03-25 CN CN201610175315.9A patent/CN106452368B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102035477A (zh) * | 2009-10-01 | 2011-04-27 | 三星电子株式会社 | 音频放大器 |
CN202496002U (zh) * | 2012-03-15 | 2012-10-17 | 深圳创维-Rgb电子有限公司 | 一种音频信号输出处理电路及电视机 |
CN103746662A (zh) * | 2014-01-13 | 2014-04-23 | 宁波中荣声学科技有限公司 | 功放电路 |
CN203851104U (zh) * | 2014-05-26 | 2014-09-24 | 固安信通信号技术股份有限公司 | 一种应用于btm的功率放大装置 |
CN104410295A (zh) * | 2014-11-18 | 2015-03-11 | 成都措普科技有限公司 | 一种大功率触发升压电路 |
CN105375884A (zh) * | 2015-11-24 | 2016-03-02 | 宁波柏人艾电子有限公司 | 一种音箱功放电路 |
Also Published As
Publication number | Publication date |
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CN106452368A (zh) | 2017-02-22 |
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PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 510000 workshop 1, No.10, Bangsheng 2nd Road, Jinghu Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Wanchang Technology Industry Co.,Ltd. Address before: 510800 Guangzhou, Guangdong province Huadu District, Xinhua Street, Jinghu Avenue, No. 10, 1 Patentee before: GUANGZHOU JONSHLONG AUDIO CO.,LTD. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-power power amplifier circuit based on class D amplification to promote class B output and its working method Effective date of registration: 20220909 Granted publication date: 20190521 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: Guangdong Wanchang Technology Industry Co.,Ltd. Registration number: Y2022440000234 |