CN103346740B - 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 - Google Patents
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 Download PDFInfo
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Families Citing this family (8)
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CN104184425B (zh) * | 2014-08-01 | 2017-11-07 | 矽力杰半导体技术(杭州)有限公司 | 单端输入的d类音频功率放大器 |
US9520843B2 (en) * | 2015-01-05 | 2016-12-13 | Music Group Ip Ltd | Power amplifiers coupled in series |
CN106160680B (zh) * | 2015-04-16 | 2019-04-26 | 展讯通信(上海)有限公司 | 复用的音频功率放大***及便携式电子设备 |
CN106303834B (zh) * | 2016-10-14 | 2021-03-12 | Tcl通力电子(惠州)有限公司 | 功放***的静音控制装置及方法 |
CN106954123B (zh) * | 2017-02-24 | 2020-05-12 | 昂宝电子(上海)有限公司 | 功率管驱动***和方法 |
CN110545082B (zh) * | 2018-05-28 | 2023-06-16 | 晶豪科技股份有限公司 | 音频放大器的调制选择电路 |
CN112653399B (zh) * | 2020-12-22 | 2024-04-23 | 中国电子科技集团公司第四十七研究所 | 一种数字音频功放的噪声消除装置 |
CN113411072B (zh) * | 2021-07-13 | 2023-03-14 | 上海艾为电子技术股份有限公司 | 脉宽调制模块、音频功放电路及电子设备 |
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CN1522502A (zh) * | 2001-07-02 | 2004-08-18 | 在通信***中用于后滤波峰值功率减小的***和方法 | |
CN101826845A (zh) * | 2010-04-22 | 2010-09-08 | 成都成电硅海科技股份有限公司 | 一种基于电压控制延时电路的d类功率放大器 |
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 |
CN102811026A (zh) * | 2011-05-30 | 2012-12-05 | 嘉兴禾润电子科技有限公司 | 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 |
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WO2005011105A2 (en) * | 2003-07-24 | 2005-02-03 | Dobbs-Stanford Corporation | Modulated triangular wave amplifier |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1522502A (zh) * | 2001-07-02 | 2004-08-18 | 在通信***中用于后滤波峰值功率减小的***和方法 | |
CN101826845A (zh) * | 2010-04-22 | 2010-09-08 | 成都成电硅海科技股份有限公司 | 一种基于电压控制延时电路的d类功率放大器 |
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 |
CN102811026A (zh) * | 2011-05-30 | 2012-12-05 | 嘉兴禾润电子科技有限公司 | 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 |
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