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wen yu da
Pages: 44
Year: Issue:  3
Journal: Family Electronics

Keyword:  视频信号立体声耳机音频信号国际标准录像机山西电视机天线录音机电视屏幕;
Abstract: <正> 问:VCD、CD机如何用耳机收听? ●山西李明答:VCD、CD等音视频信号源输出的音频信号按国际标准均为1VP-P,不足以驱动耳机,若要驱动立体声耳机需要有50~100mW的功率。因此可以用小功率双声道功放IC组装双声道放大
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