内容发布更新时间 : 2024/5/4 20:28:37星期一 下面是文章的全部内容请认真阅读。

responsible for the development of company management, including the development of settlement and settlement standards of preparation, the business unit clearing work inspection and guidance, business settlement audit; 23, is in charge of the company business and costs calculation and analysis of new projects and to develop standards and provide the basis for decision-making and responsible for the comprehensive economic and technical indicators and statistics, analysis, summary and reporting; 24, the company responsible for audits of various types of business contracts, the principal of contract price (purchase price, freight, taxes, etc), payment method, payment, settlement, such as the reasonableness of the data, authenticity, accuracy; 25, strict enforcement of national tax policy, is responsible for the monthly reporting, including tax calculations, statistics, go through the relevant formalities, receive invoices; 26, the company responsible for all kinds of price (including product price, material prices,Freight, engineering machinery jobs price, price, price) 's terms of market surveys, quotations, price exception report; 27, is responsible for the company's management, including conference organized by price, of historical prices, totals, etc; 28, according to the annual operating plan, annual costs and undergo decomposition, control, analysis and evaluation; responsible for costing and cost control, ensure accounting number is reasonable, correct, and complete accounting report and the company's other reports compiled and reported to work; 实验一 初步使用Protel DXP 系统

一、 实验目的

1．了解 Protel DXP 主窗口的组成和各部分的作用。 2．掌握 Protel DXP 工程和文件的管理。 3．掌握生成元器件的几种主要报表的方法。

二、 实验原理

通过18V的交流电经过四个二极管组成的桥式整流电路整流变换成脉动的直流，经过电路转换，输出5~15V的直流电，如图所示稳压电源电路。

三、实验内容 1. 熟悉 Protel DXP 的工作界面

2. 在 Protel DXP 系统中，进行工程文件的新建、保存与打开。

四、 实验步骤

（一）熟悉 Protel DXP 系统的界面，并练习工程文件及设计文件的新建、保存、打开。 1. 打开 Protel DXP 系统，熟悉 Protel DXP 的界面组成，

2. 新建工程文件，并在指定目录下保存为“本人名字实验1. PrjPCB”。 3. 在该工程文件中新建原理图文件，并保存为“稳压电源电路.SCHDOC”。 （二）绘制下列稳压电源电路原理图

1．在“稳压电源电路.SCHDOC”，利用快捷键 Page up 与 Page down 调整图纸的合适大小。 2．放置元器件:从元器件库中取出所需要的元器件，放在工作区。电阻与电容从元器件库 Miscellaneous Devices.IntLib 中选取。

3．设置元器件的属性，并对元器件要求进行布局调整。 4．绘制元器件间的电气连接。

五、 实验报告要求

1、按照要求书写报告，并附上所绘制的原理图， 2、报告上附有EXCEL元器件报表（打印）。

2、打印出电气规则检查结果。如果有错误，你是如何解决的？

responsible for the development of company management, including the development of settlement and settlement standards of preparation, the business unit clearing work inspection and guidance, business settlement audit; 23, is in charge of the company business and costs calculation and analysis of new projects and to develop standards and provide the basis for decision-making and responsible for the comprehensive economic and technical indicators and statistics, analysis, summary and reporting; 24, the company responsible for audits of various types of business contracts, the principal of contract price (purchase price, freight, taxes, etc), payment method, payment, settlement, such as the reasonableness of the data, authenticity, accuracy; 25, strict enforcement of national tax policy, is responsible for the monthly reporting, including tax calculations, statistics, go through the relevant formalities, receive invoices; 26, the company responsible for all kinds of price (including product price, material prices,Freight, engineering machinery jobs price, price, price) 's terms of market surveys, quotations, price exception report; 27, is responsible for the company's management, including conference organized by price, of historical prices, totals, etc; 28, according to the annual operating plan, annual costs and undergo decomposition, control, analysis and evaluation; responsible for costing and cost control, ensure accounting number is reasonable, correct, and complete accounting report and the company's other reports compiled and reported to work;实验二 绘制A/D转换电路原理图

一、 实验目的

1. 进一步体会 Protel DXP 的基本操作，熟悉各元器件的应用技巧。 2. 学会绘制电路原理图的基本步骤以及方法与技巧。 3. 掌握原理图元件的属性设置。掌握总线电路绘制方法。

二、 实验原理

设计的是一个与PC机并行口相连接的A/D转换电路，A/D转换电路是将模拟信号转化为数字信号的电路，该电路中采用的A/D芯片是National Semiconductor制造的ADC0804LCN，接口器件是25针脚的并行口插座。

三、 实验内容

绘制A/D转换电路。

四、 实验步骤

1. 打开 Protel DXP 系统，新建工程文件；并在指定目录下保存为“本人名字实验2. PrjPCB”；在该工程文件中新建原理图文件，并保存为“A/D转换电路.SCHDOC”。

2. 加载元器件库。执行Design/Browse Library命令。打开Libraries元器件库面板。 在元器件库面板中，单击“Libraries…”按钮添加元器件库文件。

五、 实验报告要求

1．按照要求书写报告，并附上所绘制的原理图，

2．打印出电气规则检查结果。如果有错误，你是如何解决的？ 3、生成元器件网络报表。（不需要打印）

responsible for the development of company management, including the development of settlement and settlement standards of preparation, the business unit clearing work inspection and guidance, business settlement audit; 23, is in charge of the company business and costs calculation and analysis of new projects and to develop standards and provide the basis for decision-making and responsible for the comprehensive economic and technical indicators and statistics, analysis, summary and reporting; 24, the company responsible for audits of various types of business contracts, the principal of contract price (purchase price, freight, taxes, etc), payment method, payment, settlement, such as the reasonableness of the data, authenticity, accuracy; 25, strict enforcement of national tax policy, is responsible for the monthly reporting, including tax calculations, statistics, go through the relevant formalities, receive invoices; 26, the company responsible for all kinds of price (including product price, material prices,Freight, engineering machinery jobs price, price, price) 's terms of market surveys, quotations, price exception report; 27, is responsible for the company's management, including conference organized by price, of historical prices, totals, etc; 28, according to the annual operating plan, annual costs and undergo decomposition, control, analysis and evaluation; responsible for costing and cost control, ensure accounting number is reasonable, correct, and complete accounting report and the company's other reports compiled and reported to work; 实验三 音乐闪光灯电路设计——新建元件库

一、 实验目的

1. 进一步体会 Protel DXP 的基本操作，熟悉各元器件的应用技巧。 2. 学会绘制电路原理图的基本步骤以及方法与技巧。 3. 掌握新建元件库操作方法，以及如何在原理图中调用。

二、 实验原理

音乐闪光灯采用干电池供电，可驱动发光管闪烁发光，同时扬声器还可以播放芯片中存储的电子音乐。它的工作电压范围在2V和5.5V。

图3-1 音乐闪光灯

三、 实验内容

绘制音乐闪光灯电路如图所示，新建元件库。

1. 打开 Protel DXP 系统，新建工程文件；并在指定目录下保存为“本人名字实验3. PrjPCB”；在该工程文件中新建原理图文件，并保存为“音乐闪光灯.SCHDOC”。

2. 加载元器件库。执行Design/Browse Library命令。打开Libraries元器件库面板。 在元器件库面板中，单击“Libraries…”按钮添加元器件库文件。 3．原理图中，元器件SH868在元件库中没有，新创建元器件SH868。

五、 实验报告要求

1．按照要求书写报告，并附上所绘制的原理图， SH868元件是如何创建生成的？ 2．打印出电气规则检查结果？

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