System for Generation and Analysis of Line Codes

2022 IEEE 28th International Symposium for Design and Technology in Electronic Packaging (SIITME) Pub Date : 2022-10-26 DOI:10.1109/SIITME56728.2022.9988420

D. Visan, A. Lita

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Abstract

This paper presents a microcontroller based digital encoder capable to generate baseband signals using different types of line codes. The baseband coding is an essential processing found in a very wide range of industrial data transmission systems, wireless and optical communications and also in computer networks. The proposed system has the capability to operate with an extended range of unipolar, bipolar and multilevel codes. In addition to data transmission, the presented design can also be used in analysis and experimental study of nonstandard encoding schemes as well as for didactical purposes. The hardware structure of the system is based mainly on PIC18F4580 microcontroller. Codes requiring bipolar and multilevel operation are implemented using dedicated converters connected to the output ports of the microcontroller. The data source for the encoding system can be internal or external, being selectable by the user. The relevant parameters regarding the system operation are continuously presented on a local LCD. Compared to other similar structures, the system provides a compact and reliable implementation, based on a high-performance microcontroller, and offers an extended versatility in the selection of the coding schemes.

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线码生成与分析系统

本文提出了一种基于微控制器的数字编码器，能够使用不同类型的线码产生基带信号。基带编码是在广泛的工业数据传输系统、无线和光通信以及计算机网络中发现的基本处理。所提出的系统具有在单极、双极和多级码的扩展范围内工作的能力。除了数据传输之外，本设计还可以用于非标准编码方案的分析和实验研究以及教学目的。系统的硬件结构主要以PIC18F4580单片机为核心。需要双极和多电平操作的代码使用连接到微控制器输出端口的专用转换器来实现。编码系统的数据源可以是内部的，也可以是外部的，由用户选择。有关系统运行的相关参数连续显示在本地LCD上。与其他类似结构相比，该系统基于高性能微控制器提供了紧凑可靠的实现，并且在编码方案的选择方面提供了扩展的多功能性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2022 IEEE 28th International Symposium for Design and Technology in Electronic Packaging (SIITME)

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