对讲机制作与调试报告

华东交通大鉴电了产品安装与调试实践

目录

摘要 (1)

Abstract (2)

第1章绪论 (3)

1.1对讲机的意义 (3)

1.2目的 (3)

1.3章节安排 (3)

第2章基础软件技术介绍 (4)

2.1 proteus软件简介 (4)

2.2 Protel Dxp 技术简介 (4)

2.2.1 Protel Dxp软件介绍 (4)

2.2.2 Protel Dxp基本技术 (4)

2.3章节小结 (5)

第3章设计方案 (6)

3.1总体设计方案 (6)

3.2电路设计方案 (6)

3.2.1音频接收电路设计 (7)

3.2.2对讲发射电路设计 (7)

3.3本章小结 (8)

第4章基础硬件设计 (8)

4.1 D1800 芯片 (8)

4.2 D2822 芯片 (9)

4.3本章小结 (9)

第5章电路的调试与测试 (10)

5.1收音部分的调整 (10)

5.2对讲部分的调整 (10)

第6章检测结果及分析 (10)

第7章总结与展望 (11)

第8章谢辞 (12)

附录 (13)

摘要

在现代通信中，对讲机是一种近距离的、简单的无线传输通信工具。目前，它广泛应用于生产、保安、野外工程等小范围移动通信工程中。

本套对讲机为中夏牌ZX2028对讲机，它是由接收部分和发射部分组成。接收部分采用直接接收的方式，采用LC振荡电路检波，检波后音频信号再由低频放大器放大，最后由耦合电容推动扬声器发声；发射时，由扬声器讲话音信号变成电信号后，再经低频放大电路、调制电路，最后将已调波从天线发送出去。

随着LED （发光二极管）、微处理器和激光二极管的不断发展，迎来了新的标识符号（象征学）和其应用的大爆炸，人们称之为对讲机工业”今天很少能找

到没有直接接触过即快又准的对讲机技术的公司或个人。由于在这一领域的技术进步与发展非常迅速，并且每天都有越来越多的应用领域被开发，用不了多久对讲机就会象灯泡和半导体收音机一样普及，将会使我们每一个人的生活都变得更加轻松和方便。

关键字：对讲机，无线传输，放大电路

Abstract

In moder n com muni catio n, walkie talkie is a wireless tran smissi on com muni cati on tools close, simple. At prese nt, it is widely used in product ion, security, field engin eeri ng and other small range of mobile com muni cati on engin eeri ng.

This set of in terpho ne for summer brand ZX2028 in tercom, which is composed of a recei ving part and a tran smitt ing part. The recei ving part adopts direct recei ving mode, using the LC oscillati on circuit detect ion, detect ion after the audio sig nal and then amplified by the low freque ncy amplifier, fin ally by coupli ng capacita nee speaker; la un ch, by the speaker sound sig nal into electrical sig nals, and the n by the low-freque ncy amplificati on circuit, modulati on circuit, fin ally the modulated wave from the antenna to send out.

With the development of LED (light emitting diode) and continuous development of the microprocessor and the laser diodes, ushered in the new iden tificati on symbols (symbology) big bang and its applicati ons, known as "walkie talkie in dustry". A compa ny or in dividual can rarely find no direct con tact is quickly and precisely the walkie talkie tech no logy today. Due to the progress and developme nt of tech no logy in this field very quickly, and every day there are more and more applicatio n fields are developed, it won't be long before the walkie talkie will be like light ing and semic on ductor radio as the popularizatio n, will make the life of every one of us has become more easy and convenient.

Keywords: walkie talkie, wireless tran smissi on, amplificati on circuit