積分式數(shù)字電壓表-單片機論文(doc畢業(yè)設(shè)計論文)(已修改)
2025-07-01 13:19 本頁面
【正文】 目 錄摘 要.........................................................................................................................................1一、系統(tǒng)方案論證.....................................................................................................................2芯片選擇模塊 ...................................................................................................................2數(shù)碼管工作方式模塊 .......................................................................................................2雙積分 DVM 電路方式模塊 ............................................................................................2二、系統(tǒng)設(shè)計與總體分析.........................................................................................................3總體設(shè)計 ...........................................................................................................................3各模塊實現(xiàn)原理 ...............................................................................................................3 LED 數(shù)碼管驅(qū)動電路模塊 ...........................................................................................3 雙積分 DVM 電路 .......................................................................................................3三、理論分析與計算.................................................................................................................4準(zhǔn)備階段（T 0T1） ...........................................................................................................4采樣階段（T 1T2） ...........................................................................................................5比較階段 （T 2T3） ..........................................................................................................5四、軟件設(shè)計.............................................................................................................................6五、系統(tǒng)測試.............................................................................................................................6測試使用的儀器 ...............................................................................................................6指標(biāo)測試和測試結(jié)果 .......................................................................................................6測試結(jié)果分析 ...................................................................................................................6參考文獻.....................................................................................................................................7附 錄.........................................................................................................................................8 1摘 要本設(shè)計采用單片機（89S52 芯片）為系統(tǒng)的控制核心。整個設(shè)計采用了模塊化的設(shè)計思想，包括直流穩(wěn)壓電源模塊、LED 數(shù)碼管顯示模塊、自動校零電路模塊、采樣電路模塊、測量電路模塊。程序設(shè)計采用匯編語言編程實現(xiàn)，控制電子開關(guān)的閉合與斷開，通過雙積分式 DVM 電路實現(xiàn)電路的自動校零、電路采樣與輸入信號的測量，從而輸出較準(zhǔn)確的電壓值。本系統(tǒng)采用高精密電阻和高精度電
語文相關(guān)推薦
鄂ICP備17016276號-1