電子技術(shù)基礎(chǔ)與技能 第4版 課件 01 半導(dǎo)體二極管

半導(dǎo)體二極管WUHANSHIYIBIAODIANZIXUEXIAO目錄CONTENTS溫故知新啟智探究歸納總結(jié)鞏固應(yīng)用溫故知新01Option01WehavemanyPowerPointtemplatesthathasbeenspecificallydesigned.Option02WehavemanyPowerPointtemplatesthathasbeenspecificallydesigned.Option03WehavemanyPowerPointtemplatesthathasbeenspecificallydesigned.Option04WehavemanyPowerPointtemplatesthathasbeenspecificallydesigned.WehavemanyPowerPointtemplatesthathasbeenspecificallydesignedtohelpanyonethatissteppingintotheworldofPowerPointfortheveryfirsttime.WehavemanyPowerPointtemplatesthathasbeenspecificallydesignedtohelpanyonethatissteppingintotheworldofPowerPointfortheveryfirsttime.WehavemanyPowerPointtemplatesthathasbeenspecificallydesignedtohelpanyonethatissteppingintotheworldofPowerPointfortheveryfirsttime.WehavemanyPowerPointtemplatesthathasbeenspecificallydesignedtohelpanyonethatissteppingintotheworldofPowerPointfortheveryfirsttime.發(fā)光二極管溫故知新啟智探究02啟智探究任務(wù)一認(rèn)識半導(dǎo)體二極管猜一猜查一查啟智探究任務(wù)一

認(rèn)識半導(dǎo)體二極管整流二極管變?nèi)荻O管發(fā)光二極管檢波二極管開關(guān)二極管光電二極管學(xué)一學(xué)啟智探究任務(wù)一認(rèn)識半導(dǎo)體二極管畫一畫結(jié)構(gòu)符號正負(fù)極性啟智探究任務(wù)一認(rèn)識半導(dǎo)體二極管1、有橫杠一端為負(fù)極。2、有白色雙杠的一端為負(fù)極。3、有小圓一端是負(fù)極，大圓是正極。4、引腳長的為正，短的為負(fù)?？匆豢凑?fù)極性正負(fù)極性正負(fù)極性正負(fù)極性正負(fù)極性正負(fù)極性結(jié)構(gòu)符號結(jié)構(gòu)符號結(jié)構(gòu)符號結(jié)構(gòu)結(jié)構(gòu)結(jié)構(gòu)符號啟智探究任務(wù)二二極管的導(dǎo)電特性做一做以組為單位分發(fā)實驗器材,驗證二極管的導(dǎo)通條件。通過實驗現(xiàn)象，分小組討論實驗結(jié)論。根據(jù)電路圖連接實物圖。要求：接通電源，觀察小燈在電路中的發(fā)光情況，并做好記錄。STEP01STEP02STEP03S閉合后觀察電路實驗現(xiàn)象燈_______(亮或滅)燈_______(亮或滅)結(jié)論______________________________________啟智探究任務(wù)二二極管的導(dǎo)電特性想一想二極管的導(dǎo)電特性單向?qū)щ娦詥⒅翘骄咳蝿?wù)二二極管的導(dǎo)電特性01020304練一練紅色發(fā)光管

,綠色發(fā)光管

,（導(dǎo)通或截止）分析啟智探究任務(wù)三二極管的極性識別與性能檢測測一測1二極管的極性識別0102量程選用：用歐姆檔R×100檔或R×1K檔測試原理：利用二極管的單向?qū)щ娦院诒砉P接正極紅表筆接負(fù)極黑表筆接負(fù)極紅表筆接正極啟智探究任務(wù)三二極管的極性識別與性能檢測二極管的極性識別測一測1啟智探究任務(wù)三二極管的極性識別與性能檢測測一測2二極管的性能檢測判斷標(biāo)準(zhǔn)：質(zhì)量好的二極管具有單向?qū)щ娦裕痪邆浯颂匦缘亩O管質(zhì)量不好。試一試啟智探究任務(wù)三二極管的極性識別與性能檢測測一測管子名稱整流二極管發(fā)光二極管穩(wěn)壓二極管R×100正向電阻反向電阻R×1K正向電阻反向電阻用萬用表測發(fā)光二極管,可用萬用表歐姆檔的最高檔(R×10K)啟智探究任務(wù)三二極管的極性識別與性能檢測比一比二極管質(zhì)量檢測歸納總結(jié)03二極管的結(jié)構(gòu)與符號01二極管的導(dǎo)電特性02二極管的識別與檢測03鞏固應(yīng)用鞏固應(yīng)用04鞏固應(yīng)用思考題：有個同學(xué)在測一個二極管反向電阻時，為了使萬用表測試和管腳接