畢業(yè)設(shè)計(jì)-電子秒表設(shè)計(jì)(已修改)
2024-12-19 18:29 本頁(yè)面
【正文】 I 目錄 第一章 .電子秒表結(jié)構(gòu)設(shè)計(jì)與設(shè)計(jì)方案 .....................................................................................................1 第二章 .電子秒表單元電路的設(shè)計(jì) .............................................................................................................2 秒表的設(shè)計(jì)思路 ................................................................................................................................2 .....................................................................................................................................2 、復(fù)位功能的設(shè)計(jì) ....................................................................................................3 電路清零功能的設(shè)計(jì) ........................................................................................................................4 ................................................................................................................5 譯碼驅(qū)動(dòng)及顯示單元 ........................................................................................................................6 .............................................................................................................................6 第三章 . 元器件介紹 ....................................................................................................................................8 元器件清單 .........................................................................................................................................8 元器件介紹 .........................................................................................................................................8 555定時(shí) 器 .................................................................................................................................8 .........................................................................................................................9 一．相關(guān)設(shè)計(jì)方案及抉擇 ......................................................................................................................11 ................................................................................................................................................11 ................................................................................................................................................11 2．理論設(shè)計(jì) 單元電路與總電路設(shè)計(jì) .................................................................................................. 13 5V電壓源電路設(shè)計(jì) ............................................................................................................................ 13 降壓電路 ........................................................................................................................................ 13 1S信號(hào)源設(shè)計(jì)： ........................................................................................................................... 14 計(jì)數(shù)器電路設(shè)計(jì)： ......................................................................................................................... 16 74ls190管腳圖及功能簡(jiǎn)介 ............................................................................................... 16 電路連接概述 ....................................................................................................................... 18 顯示電路 ........................................................................................................................................ 19 報(bào)警電路 ........................................................................................................................................... 21 控制電路 .......................................................................................................................................... 22 3．仿真調(diào)試 ................................................................................................................................................ 23 軟件介紹 ........................................................................................................................................ 23 調(diào)試過(guò)程 .......................................................................................................................................... 23 倒計(jì)時(shí)及停止電路調(diào)試 ........................................................................................................ 23 4．實(shí)驗(yàn)中出現(xiàn)的問(wèn)題及解決方法 ..............................
公司管理相關(guān)推薦
鄂ICP備17016276號(hào)-1