CN202004728U - D类音频功率放大器 - Google Patents
D类音频功率放大器 Download PDFInfo
- Publication number
- CN202004728U CN202004728U CN201120148670XU CN201120148670U CN202004728U CN 202004728 U CN202004728 U CN 202004728U CN 201120148670X U CN201120148670X U CN 201120148670XU CN 201120148670 U CN201120148670 U CN 201120148670U CN 202004728 U CN202004728 U CN 202004728U
- Authority
- CN
- China
- Prior art keywords
- output signal
- input
- amplitude detector
- power amplifier
- voltage
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Amplifiers (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120148670XU CN202004728U (zh) | 2011-05-11 | 2011-05-11 | D类音频功率放大器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201120148670XU CN202004728U (zh) | 2011-05-11 | 2011-05-11 | D类音频功率放大器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202004728U true CN202004728U (zh) | 2011-10-05 |
Family
ID=44707453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201120148670XU Expired - Fee Related CN202004728U (zh) | 2011-05-11 | 2011-05-11 | D类音频功率放大器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202004728U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102215029A (zh) * | 2011-05-11 | 2011-10-12 | 嘉兴禾润电子科技有限公司 | D类音频功率放大器及其音频信号处理方法 |
CN109756195A (zh) * | 2018-12-21 | 2019-05-14 | 肇庆学院 | 自扩频调制d类音频功率放大器 |
-
2011
- 2011-05-11 CN CN201120148670XU patent/CN202004728U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102215029A (zh) * | 2011-05-11 | 2011-10-12 | 嘉兴禾润电子科技有限公司 | D类音频功率放大器及其音频信号处理方法 |
CN102215029B (zh) * | 2011-05-11 | 2015-01-28 | 嘉兴禾润电子科技有限公司 | D类音频功率放大器及其音频信号处理方法 |
CN109756195A (zh) * | 2018-12-21 | 2019-05-14 | 肇庆学院 | 自扩频调制d类音频功率放大器 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102215029B (zh) | D类音频功率放大器及其音频信号处理方法 | |
CN102638229A (zh) | 音频放大电路 | |
CN101826846B (zh) | 三电平半桥脉宽调制放大器及其驱动方法 | |
CN101151799A (zh) | 放大器装置 | |
JP2015198371A (ja) | オーディオ出力回路およびそれを用いた電子機器 | |
CN103326680A (zh) | D类音频功率放大器及其音频信号处理方法 | |
CN103346740A (zh) | 用于抑制噪声的d类音频功率放大器及其音频信号处理方法 | |
CN101990038A (zh) | 提升音频功率放大器效率的方法及使用该方法的手机 | |
US20080144862A1 (en) | All-digital class-d audio amplifier with direct battery hook-up | |
CN202004728U (zh) | D类音频功率放大器 | |
US8115542B2 (en) | Variable frequency class-D amplifier, control method thereof, and ramp generator therefor | |
CN105897190B (zh) | 一种d类音频功率放大器、芯片及其失真检测电路 | |
CN203086416U (zh) | 基于三角波发生器的功率放大器 | |
CN101540588B (zh) | D类音频放大器 | |
CN204948031U (zh) | 电子装置和d类放大器 | |
US20100246852A1 (en) | Output-level-controlling converter device | |
CN102355204B (zh) | 一种音频功放自动切换电路及功放芯片 | |
CN205809757U (zh) | 动态调压装置及信号放大系统 | |
CN105513584A (zh) | 蜂鸣输出方法及装置 | |
CN102811039B (zh) | 脉冲宽度调制装置及调制方法 | |
CN103326679A (zh) | 一种d类音频功率放大器及其音频信号处理方法 | |
CN202799086U (zh) | 一种以恒定功率驱动的电子喇叭 | |
CN201018655Y (zh) | 使用脉冲宽度调制信号以节省功率消耗的扬声器系统 | |
CN201789613U (zh) | 一种led动感耳机电路 | |
CN201265786Y (zh) | 一种呼吸灯装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Class D audio power amplifier with anti-saturation distortion circuit Effective date of registration: 20140515 Granted publication date: 20111005 Pledgee: The Agricultural Bank of Jiaxing branch of Limited by Share Ltd China garshin Pledgor: Jiaxing Heroic Electronic Technology Co., Ltd. Registration number: 2014330000012 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20170511 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210902 Granted publication date: 20111005 Pledgee: The Agricultural Bank of Jiaxing branch of Limited by Share Ltd. China garshin Pledgor: JIAXING HEROIC ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2014330000012 |