基于Verilog-A的两点调制锁相环综合实验设计  

Comprehensive Experiment of Two-point Modulation PLL Based on Verilog-A

作　　者：周冉冉 王永 ZHOU Ran-ran;WANG Yong(School of Microelectronics,Shandong University,Jinan Shandong 250101)

机构地区：[1]山东大学微电子学院,山东济南250101

出　　处：《数字技术与应用》2018年第9期101-103,105,共4页Digital Technology & Application

基　　金：山东大学教学改革项目(SD201706)

摘　　要：两点调制是近年来锁相环芯片研究的热点问题,是一种解决调制带宽限制、实现全通传输的有效新方法。为了让学生深入理解锁相环两点调制的工作机理,本实验首先对锁相环进行Verilog-A行为级建模,以帮助学生快速了解锁相环的动态锁定过程。在此基础上,通过进一步利用两点调制的方式实现二进制频移键控,让学生理解增益匹配的重要性和两点调制锁相环的系统设计方法。整个实验设计由浅入深地涵盖了两点调制锁相环的系统设计及电路实现,有效地帮助学生对集成电路芯片设计前沿知识的理解和掌握。Two-point modulation technique has been a research focus for phase-locked loops(PLLs)in recent years.It provides a method to deal with bandwidth limitation and achieve a full-pass function in PLL modulation.In order to help students to understand the dynamic locking process of PLLs,a Verilog-A based behavioral PLL model was first designed.Based on this,a binary frequency shift keying(BFSK)experiment was designed by utilizing phase modulation in PLL,which will help students to understand the importance of gain matching in two-point modulation.This comprehensive experiment systematically covers the basics of PLL design,effectively deepens students’understanding of the PLL and is helpful to those who will be engaged in PLL design.

关 键 词：锁相环 VERILOG-A 两点调制 二进制频移键控 

分 类 号：TN402[电子电信—微电子学与固体电子学]