D类音频功放的可集成Pop-Click噪声抑制系统
设计实现了一种可集成于D类音频功放芯片内部的Pop-Click噪声抑制系统,通过全新的输出级软启动控制以及辅助反馈环路的采用,保证了软启动过程中的环路稳定性和输出驱动级的完整性,实现良好稳定的PopClick噪声抑制。采用0.5μm CMOS工艺实现了集成Pop-Click噪声抑制系统的2.0 W单声道D类音频功放。测试结果显示,在单位增益、8Ω喇叭负载下,该D类音频功放的Pop-Click噪声能被有效抑制至1.5 mV内。...
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| Veröffentlicht in: | 电子技术应用 2016, Vol.42 (3), p.35-37 |
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| container_title | 电子技术应用 |
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| creator | 王绍清 叶春晖 胡养聪 |
| description | 设计实现了一种可集成于D类音频功放芯片内部的Pop-Click噪声抑制系统,通过全新的输出级软启动控制以及辅助反馈环路的采用,保证了软启动过程中的环路稳定性和输出驱动级的完整性,实现良好稳定的PopClick噪声抑制。采用0.5μm CMOS工艺实现了集成Pop-Click噪声抑制系统的2.0 W单声道D类音频功放。测试结果显示,在单位增益、8Ω喇叭负载下,该D类音频功放的Pop-Click噪声能被有效抑制至1.5 mV内。 |
| doi_str_mv | 10.16157/j.issn.0258-7998.2016.03.010 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0258-7998 |
| ispartof | 电子技术应用, 2016, Vol.42 (3), p.35-37 |
| issn | 0258-7998 |
| language | chi |
| recordid | cdi_wanfang_journals_dzjsyy201603011 |
| source | DOAJ Directory of Open Access Journals |
| subjects | D类音频功放 Pop-Click噪声抑制 软启动 辅助反馈环路 |
| title | D类音频功放的可集成Pop-Click噪声抑制系统 |
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