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引言在通信、成像、检测仪器、视频和多媒体等高速数据采集应用系统中，信号的完整性非常重要。许多工程人员正在寻找全差分处理方案。全差分结构本身所固有的优势有：·可以抑制外部共模噪声源(来自电源或其它电路)。·几乎可以消除偶阶次谐波。·每个差分输出所要求的电压摆
Introduction Signal integrity is important in high-speed data acquisition applications such as communications, imaging, instrumentation, video and multimedia. Many engineers are looking for a fully differential approach. The inherent advantages of a fully differential structure are: • Suppression of external common mode noise sources (from power or other circuitry). Even order harmonics can be eliminated. · The voltage swing required for each differential output