西门子PADS是一套面向中高端市场的PCB设计解决方案，包含原理图输入、PCB布局布线、信号完整性分析等功能模块。该工具以高效自动布线、良好的元器件管理及稳定的工程处理能力，在汽车电子和工业控制领域拥有广泛应用。

The latest-and-greatest incarnation of Altium Designer has moved to 64-bits and been re-engineered, resulting in “orders of magnitude performance enhancements. The latest-and-greatest incarnation of ...

They will be pushing the unified desing concept where you can design your FPGA in Altium but it is still worth checking out even if you are an analog person. And if you are an Orcad person there is an ...