9 数模与模数转换器 D/A and A/D Converter 9.0引言(ntroduction) 9.1D/A转换器(Digital Analog Converter) 9.2A/D转换器(Analog Digital Converter)9.0 引言 (Introduction) 9.1 D/A转换器(Digital Analog Converter) 9.2 A/D转换器(Analog Digital Converter) 9 数模与模数转换器 D/A and A/D Converter