第3章通信用光器 3.1光源 3.1.1半导体激光器工作原理和基本结构 3.1.2半导体激光器的主要特性 3.1.3分布反馈激光器 3.1.4发光二极管 3.1.5半导体光源一般性能和应用

第2章光纤和光缆 2.1光纤结构和类型 2.1.1光纤结构 2.1.2光纤类型 2.2光纤传输原理 2.2.1几何光学方法 2.2.2光纤传输的波动理论

第1章概论 1.1光纤通信发展的历史和现状 1.1.1探索时期的光通信 1.1.2现代光纤通信 1.1.3国内外光纤通信发展的现状 1.2光纤通信的优点和应用口 1.2.1光通信与电通信 1.2.2光纤通信的优点 1.2.3光纤通信的应用 1·3光纤通信系统的基本组成 1.3.1发射和接收 1.3.2基本光纤传输系统 1.3.3数字通信系统和模拟通信系统

How to make a better device Good performance faster and less power consumed Low cost more compact and use less area

Electrical behavior of cmos Steady-state behavior when output is hold on 1 or 0 Dynamic behavior when output is changing

电子科技大学：《VHDL语言与数字集成电路设计》数字逻辑3-1

Codes in binary system BCD codes: for decimal digit Gray code: for numbers in binary system; AsCIi code: for characters ey point Use n bits. we can make 2n different words: To make n code-words. you must use logn bits

Representations of signed numbers In binary systems, an n-bit string can represent 2n different numbers 01234567

Chapter 2 Number systems and codes Positional number system representation and conversion Representations of negative numbers BCD codes and gray code

Chapter 1: Introduction From analog to digital Digital circuits and devices Design for IC The target of the text The arrangement of the text