One should always have a Guard Ring arround the differential pair. 在差分对周围作保护环。
By attaching a Differential Pair directive to the perimeter of a Blanket directive, you can quickly create differential pair objects based on differential nets within the blanket. 通过添加一个差分对指示器到覆盖区指示器的边框，您可以快速创建基于覆盖区内的差分网络的差分对。
