The measurement is made by injecting a differential mode signal (DM) into a twistedpair, then measuring the common mode signal (CM) returned on that same twisted pair.
翻译：测量是通过向双绞线注入差模信号(DM)，然后测量同一对双绞线返回的共模信号(CM)。
2
Based on dominant effect theory in EMC, the conducted emi and radiated emissions of twisted-pair wires are mainly due to differential-mode currents and common-mode currents, respectively.
为此根据电磁兼容优势效应理论，推导出双绞线传导干扰主要由差模电流引起，辐射干扰主要由共模电流引起。
3
The DS8923A drivers are designed to provide unipolar differential drive to twistedpair or parallel wire transmission lines.