The Design of an EFM/EFM+ Demodulator used in DVD Servo Control System

XIA Jun; YUAN Li-xia; ZOU Xue-cheng

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The Design of an EFM/EFM+ Demodulator used in DVD Servo Control System

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- The Design of an EFM/EFM+ Demodulator used in DVD Servo Control System
- Acta Electronica Sinica Vol. 33, Issue 1, Pages: 150-153(2005)
- 作者机构：
  
  华中科技大学电子科学与技术系,湖北,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN763
- Published：2005
- 稿件说明：
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XIA Jun, YUAN Li-xia, ZOU Xue-cheng. The Design of an EFM/EFM+ Demodulator used in DVD Servo Control System[J]. Acta Electronica Sinica, 2005, 33(1): 150-153.
DOI：

XIA Jun, YUAN Li-xia, ZOU Xue-cheng. The Design of an EFM/EFM+ Demodulator used in DVD Servo Control System[J]. Acta Electronica Sinica, 2005, 33(1): 150-153. DOI：

摘要

本文介绍了一种EFM/EFM+解调器的设计和实现.该解调器用于DVD光盘伺服控制

对读入的CD和DVD数据分别实现14-8和16-8解调.文中通过对其工作原理和实际应用的分析

给出其最终实现方案.并用Verilog硬件描述语言完成整个解调器的设计工作.功能仿真和FPGA验证表明

设计成功.

Abstract

This paper introduces the design and implementation of an EFM/EFM+ demodulator

which is used in the DVD servo control system.The demodulator translates the 14-bit CD data and the 16-bit DVD data into 8-bit data.The final solution has been given by analyzing the principle and the practical application.The demodulator has been implemented in Verilog Hardware Description language.And the simulation result and the FPGA verification indicate that the design is successful.

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