说明：  本文介绍cadence软件的入门学习，原理图的创建、仿真，画版图和后仿真等一全套过程，本教程适合与初学着，讲到尽量的详细和简单，按照给出的步骤可以完全的从头到尾走一遍，本教程一最简单的反相器为例。
(This paper introduces the cadence software to learn and create, simulation principle diagram drawing, layout and Simulation of a full set of process, this tutorial is suitable for beginners and, as mentioned in detail and simple, according to the given steps can go through the inverter from A to Z completely, this tutorial a simple example.)