控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)路(lu)(lu)(lu)的(de)(de)一(yi)般分(fen)析方(fang)法說明對(dui)(dui)于控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)路(lu)(lu)(lu)的(de)(de)分(fen)析通(tong)(tong)(tong)(tong)常要分(fen)成(cheng)多種情況，例如將控(kong)(kong)(kong)制(zhi)(zhi)(zhi)信(xin)(xin)號(hao)(hao)分(fen)成(cheng)大(da)(da)(da)(da)(da)(da)(da)、中(zhong)(zhong)、小(xiao)等幾種情況。就這一(yi)電(dian)(dian)(dian)路(lu)(lu)(lu)而(er)言，控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)(ya)Ui對(dui)(dui)二(er)極(ji)(ji)管(guan)VD1的(de)(de)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)要分(fen)成(cheng)下列(lie)幾種情況。（1）電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)沒有錄(lu)(lu)(lu)音(yin)(yin)(yin)信(xin)(xin)號(hao)(hao)時(shi)，直(zhi)流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)(ya)Ui為0，二(er)極(ji)(ji)管(guan)VD1截止(zhi)，VD1對(dui)(dui)電(dian)(dian)(dian)路(lu)(lu)(lu)工作無影響，級(ji)錄(lu)(lu)(lu)音(yin)(yin)(yin)放(fang)大(da)(da)(da)(da)(da)(da)(da)器(qi)輸(shu)出(chu)(chu)的(de)(de)信(xin)(xin)號(hao)(hao)可(ke)以全(quan)部加到第二(er)級(ji)錄(lu)(lu)(lu)音(yin)(yin)(yin)放(fang)大(da)(da)(da)(da)(da)(da)(da)器(qi)中(zhong)(zhong)。（2）當(dang)電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)的(de)(de)錄(lu)(lu)(lu)音(yin)(yin)(yin)信(xin)(xin)號(hao)(hao)較小(xiao)時(shi)，直(zhi)流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)(ya)Ui較小(xiao)，沒有大(da)(da)(da)(da)(da)(da)(da)于二(er)極(ji)(ji)管(guan)VD1的(de)(de)導(dao)(dao)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)壓(ya)(ya)(ya)，所以不足(zu)以使二(er)極(ji)(ji)管(guan)VD1導(dao)(dao)通(tong)(tong)(tong)(tong)，此時(shi)二(er)極(ji)(ji)管(guan)VD1對(dui)(dui)級(ji)錄(lu)(lu)(lu)音(yin)(yin)(yin)放(fang)大(da)(da)(da)(da)(da)(da)(da)器(qi)輸(shu)出(chu)(chu)的(de)(de)信(xin)(xin)號(hao)(hao)也沒有分(fen)流(liu)(liu)(liu)(liu)作用。（3）當(dang)電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)的(de)(de)錄(lu)(lu)(lu)音(yin)(yin)(yin)信(xin)(xin)號(hao)(hao)比較大(da)(da)(da)(da)(da)(da)(da)時(shi)，直(zhi)流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)(ya)Ui較大(da)(da)(da)(da)(da)(da)(da)，使二(er)極(ji)(ji)管(guan)VD1導(dao)(dao)通(tong)(tong)(tong)(tong)，錄(lu)(lu)(lu)音(yin)(yin)(yin)信(xin)(xin)號(hao)(hao)愈(yu)大(da)(da)(da)(da)(da)(da)(da)，直(zhi)流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)(ya)Ui愈(yu)大(da)(da)(da)(da)(da)(da)(da)，VD1導(dao)(dao)通(tong)(tong)(tong)(tong)程度愈(yu)深，VD1的(de)(de)內阻愈(yu)小(xiao)。（4）VD1導(dao)(dao)通(tong)(tong)(tong)(tong)后，VD1的(de)(de)內阻下降，級(ji)錄(lu)(lu)(lu)音(yin)(yin)(yin)放(fang)大(da)(da)(da)(da)(da)(da)(da)器(qi)輸(shu)出(chu)(chu)的(de)(de)錄(lu)(lu)(lu)音(yin)(yin)(yin)信(xin)(xin)號(hao)(hao)中(zhong)(zhong)的(de)(de)一(yi)部分(fen)通(tong)(tong)(tong)(tong)過(guo)電(dian)(dian)(dian)容C1和導(dao)(dao)通(tong)(tong)(tong)(tong)的(de)(de)二(er)極(ji)(ji)管(guan)VD1被分(fen)流(liu)(liu)(liu)(liu)到地端(duan)，VD1導(dao)(dao)通(tong)(tong)(tong)(tong)愈(yu)深，它的(de)(de)內阻愈(yu)小(xiao)，對(dui)(dui)級(ji)錄(lu)(lu)(lu)音(yin)(yin)(yin)放(fang)大(da)(da)(da)(da)(da)(da)(da)器(qi)輸(shu)出(chu)(chu)信(xin)(xin)號(hao)(hao)的(de)(de)對(dui)(dui)地分(fen)流(liu)(liu)(liu)(liu)量愈(yu)大(da)(da)(da)(da)(da)(da)(da)，實現自動(dong)電(dian)(dian)(dian)平控(kong)(kong)(kong)制(zhi)(zhi)(zhi)。（5）二(er)極(ji)(ji)管(guan)VD1的(de)(de)導(dao)(dao)通(tong)(tong)(tong)(tong)程度受直(zhi)流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)(ya)Ui控(kong)(kong)(kong)制(zhi)(zhi)(zhi)，而(er)直(zhi)流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)壓(ya)(ya)(ya)Ui隨著電(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)錄(lu)(lu)(lu)音(yin)(yin)(yin)信(xin)(xin)號(hao)(hao)大(da)(da)(da)(da)(da)(da)(da)小(xiao)的(de)(de)變(bian)(bian)化而(er)變(bian)(bian)化，所以二(er)極(ji)(ji)管(guan)VD1的(de)(de)內阻變(bian)(bian)化實際(ji)上受錄(lu)(lu)(lu)音(yin)(yin)(yin)信(xin)(xin)號(hao)(hao)大(da)(da)(da)(da)(da)(da)(da)小(xiao)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)。云南(nan)二(er)極(ji)(ji)管(guan)廠家(jia)就找成(cheng)都長九電(dian)(dian)(dian)子科技有限公司(si)。四川(chuan)保(bao)護二(er)極(ji)(ji)管(guan)廠地址

一(yi)、二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)簡(jian)(jian)易(yi)直流(liu)穩壓電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)及(ji)故障處理二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)簡(jian)(jian)易(yi)穩壓電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)主要(yao)用于一(yi)些局部的(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓供(gong)給(gei)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中，由于電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)簡(jian)(jian)單，成本低(di)，所(suo)以應用比較廣。二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)簡(jian)(jian)易(yi)穩壓電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中主要(yao)利(li)用二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)管(guan)(guan)(guan)(guan)(guan)(guan)壓降基本不(bu)變特性(xing)。二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)管(guan)(guan)(guan)(guan)(guan)(guan)壓降特性(xing)：二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)導(dao)通后其管(guan)(guan)(guan)(guan)(guan)(guan)壓降基本不(bu)變，對硅(gui)二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)而言(yan)這一(yi)管(guan)(guan)(guan)(guan)(guan)(guan)壓降是(shi)(shi)0.6V左右(you)(you)，對鍺二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)而言(yan)是(shi)(shi)0.2V左右(you)(you)。如圖9-40所(suo)示是(shi)(shi)由普通3只二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)構成的(de)簡(jian)(jian)易(yi)直流(liu)穩壓電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中的(de)VD1、VD2和VD3是(shi)(shi)普通二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)，它(ta)們串(chuan)聯起(qi)來后構成一(yi)個簡(jian)(jian)易(yi)直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓穩壓電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。貴州防雷(lei)二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)廠(chang)址(zhi)成都(dou)(dou)汽車電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)二(er)(er)極(ji)管(guan)(guan)(guan)(guan)(guan)(guan)廠(chang)家就找成都(dou)(dou)長九電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)科技有限(xian)公司。

對電(dian)(dian)(dian)路(lu)(lu)中(zhong)VD1和(he)(he)VD2作(zuo)用(yong)分(fen)析(xi)的(de)(de)(de)(de)(de)思(si)路(lu)(lu)主(zhu)要(yao)說明下(xia)列(lie)幾點：（1）從(cong)電(dian)(dian)(dian)路(lu)(lu)中(zhong)可(ke)以(yi)(yi)看出(chu)(chu)，VD1、VD2、VD3和(he)(he)VD4、VD5、VD6兩組二(er)極(ji)(ji)(ji)(ji)管(guan)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)路(lu)(lu)結構一(yi)樣，這兩組二(er)極(ji)(ji)(ji)(ji)管(guan)在(zai)這一(yi)電(dian)(dian)(dian)路(lu)(lu)中(zhong)所起的(de)(de)(de)(de)(de)作(zuo)用(yong)是相(xiang)同的(de)(de)(de)(de)(de)，所以(yi)(yi)只(zhi)要(yao)分(fen)析(xi)其(qi)中(zhong)一(yi)組二(er)極(ji)(ji)(ji)(ji)管(guan)電(dian)(dian)(dian)路(lu)(lu)工作(zuo)原理即可(ke)。（2）集成(cheng)電(dian)(dian)(dian)路(lu)(lu)A1的(de)(de)(de)(de)(de)①腳(jiao)(jiao)(jiao)通過(guo)(guo)電(dian)(dian)(dian)阻(zu)R1與三(san)極(ji)(ji)(ji)(ji)管(guan)VT1基(ji)極(ji)(ji)(ji)(ji)相(xiang)連，顯然R1是信(xin)(xin)(xin)(xin)號傳輸(shu)電(dian)(dian)(dian)阻(zu)，將①腳(jiao)(jiao)(jiao)上輸(shu)出(chu)(chu)信(xin)(xin)(xin)(xin)號通過(guo)(guo)R1加到VT1基(ji)極(ji)(ji)(ji)(ji)，由于在(zai)集成(cheng)電(dian)(dian)(dian)路(lu)(lu)A1的(de)(de)(de)(de)(de)①腳(jiao)(jiao)(jiao)與三(san)極(ji)(ji)(ji)(ji)管(guan)VT1基(ji)極(ji)(ji)(ji)(ji)之間沒(mei)有(you)隔直電(dian)(dian)(dian)容(rong)，根(gen)據這一(yi)電(dian)(dian)(dian)路(lu)(lu)結構可(ke)以(yi)(yi)判(pan)斷：集成(cheng)電(dian)(dian)(dian)路(lu)(lu)A1的(de)(de)(de)(de)(de)①腳(jiao)(jiao)(jiao)是輸(shu)出(chu)(chu)信(xin)(xin)(xin)(xin)號引(yin)腳(jiao)(jiao)(jiao)，而(er)且(qie)輸(shu)出(chu)(chu)直流(liu)和(he)(he)交流(liu)的(de)(de)(de)(de)(de)復合信(xin)(xin)(xin)(xin)號。確定集成(cheng)電(dian)(dian)(dian)路(lu)(lu)A1的(de)(de)(de)(de)(de)①腳(jiao)(jiao)(jiao)是信(xin)(xin)(xin)(xin)號輸(shu)出(chu)(chu)引(yin)腳(jiao)(jiao)(jiao)的(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)是為了判(pan)斷二(er)極(ji)(ji)(ji)(ji)管(guan)VD1在(zai)電(dian)(dian)(dian)路(lu)(lu)中(zhong)的(de)(de)(de)(de)(de)具體(ti)作(zuo)用(yong)。

反向擊(ji)(ji)(ji)穿(chuan)(chuan)按機理分為齊納(na)擊(ji)(ji)(ji)穿(chuan)(chuan)和雪(xue)崩(beng)擊(ji)(ji)(ji)穿(chuan)(chuan)兩(liang)種(zhong)情(qing)況(kuang)。在(zai)高摻雜濃度(du)的(de)情(qing)況(kuang)下，因勢(shi)壘(lei)區寬度(du)很(hen)小，反向電(dian)壓較(jiao)大(da)時，破壞了勢(shi)壘(lei)區內共(gong)價(jia)鍵結構，使價(jia)電(dian)子(zi)(zi)(zi)脫離共(gong)價(jia)鍵束縛(fu)，產生(sheng)電(dian)子(zi)(zi)(zi)-空(kong)穴對，致(zhi)使電(dian)流(liu)急(ji)劇(ju)增(zeng)大(da)，這種(zhong)擊(ji)(ji)(ji)穿(chuan)(chuan)稱(cheng)為齊納(na)擊(ji)(ji)(ji)穿(chuan)(chuan)。如(ru)果摻雜濃度(du)較(jiao)低，勢(shi)壘(lei)區寬度(du)較(jiao)寬，不(bu)容(rong)易產生(sheng)齊納(na)擊(ji)(ji)(ji)穿(chuan)(chuan)。雪(xue)崩(beng)擊(ji)(ji)(ji)穿(chuan)(chuan)另(ling)一(yi)種(zhong)擊(ji)(ji)(ji)穿(chuan)(chuan)為雪(xue)崩(beng)擊(ji)(ji)(ji)穿(chuan)(chuan)。當(dang)反向電(dian)壓增(zeng)加(jia)(jia)到(dao)較(jiao)大(da)數值時，外加(jia)(jia)電(dian)場使電(dian)子(zi)(zi)(zi)漂(piao)移(yi)速度(du)加(jia)(jia)快，從而與共(gong)價(jia)鍵中的(de)價(jia)電(dian)子(zi)(zi)(zi)相碰撞，把價(jia)電(dian)子(zi)(zi)(zi)撞出共(gong)價(jia)鍵，產生(sheng)新(xin)的(de)電(dian)子(zi)(zi)(zi)-空(kong)穴對。新(xin)產生(sheng)的(de)電(dian)子(zi)(zi)(zi)-空(kong)穴被電(dian)場加(jia)(jia)速后又(you)撞出其它價(jia)電(dian)子(zi)(zi)(zi)，載流(liu)子(zi)(zi)(zi)雪(xue)崩(beng)式地增(zeng)加(jia)(jia)，致(zhi)使電(dian)流(liu)急(ji)劇(ju)增(zeng)加(jia)(jia)，這種(zhong)擊(ji)(ji)(ji)穿(chuan)(chuan)稱(cheng)為雪(xue)崩(beng)擊(ji)(ji)(ji)穿(chuan)(chuan)。無論(lun)哪種(zhong)擊(ji)(ji)(ji)穿(chuan)(chuan)，若對其電(dian)流(liu)不(bu)加(jia)(jia)限(xian)制，都(dou)可能造成PN結長久性損壞。重慶車規二極管廠家就找成都(dou)長九電(dian)子(zi)(zi)(zi)科(ke)技有限(xian)公司。

利用(yong)二(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)壓(ya)(ya)降(jiang)溫(wen)(wen)度(du)(du)(du)(du)特性(xing)可以正確解釋VD1在電(dian)(dian)(dian)(dian)路(lu)中(zhong)的(de)(de)(de)(de)作用(yong)。假設溫(wen)(wen)度(du)(du)(du)(du)升(sheng)(sheng)高(gao)，根據三極(ji)(ji)管(guan)(guan)(guan)(guan)特性(xing)可知，VT1的(de)(de)(de)(de)基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)會增大一些(xie)(xie)。當溫(wen)(wen)度(du)(du)(du)(du)升(sheng)(sheng)高(gao)時，二(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)VD1的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)壓(ya)(ya)降(jiang)會下(xia)降(jiang)一些(xie)(xie)，VD1管(guan)(guan)(guan)(guan)壓(ya)(ya)降(jiang)的(de)(de)(de)(de)下(xia)降(jiang)導致VT1基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)壓(ya)(ya)下(xia)降(jiang)一些(xie)(xie)，結果使(shi)VT1基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)下(xia)降(jiang)。由上述分析(xi)可知，加(jia)入(ru)二(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)VD1后，原來溫(wen)(wen)度(du)(du)(du)(du)升(sheng)(sheng)高(gao)使(shi)VT1基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)增大的(de)(de)(de)(de)，現在通過VD1電(dian)(dian)(dian)(dian)路(lu)可以使(shi)VT1基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)減小一些(xie)(xie)，這(zhe)(zhe)樣(yang)起到穩(wen)(wen)定(ding)(ding)三極(ji)(ji)管(guan)(guan)(guan)(guan)VT1基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)作用(yong)，所以VD1可以起溫(wen)(wen)度(du)(du)(du)(du)補償的(de)(de)(de)(de)作用(yong)。三極(ji)(ji)管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)(du)(du)穩(wen)(wen)定(ding)(ding)性(xing)能(neng)(neng)不(bu)良(liang)還(huan)表現為(wei)溫(wen)(wen)度(du)(du)(du)(du)下(xia)降(jiang)的(de)(de)(de)(de)過程中(zhong)。在溫(wen)(wen)度(du)(du)(du)(du)降(jiang)低時，三極(ji)(ji)管(guan)(guan)(guan)(guan)VT1基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)要減小，這(zhe)(zhe)也是溫(wen)(wen)度(du)(du)(du)(du)穩(wen)(wen)定(ding)(ding)性(xing)能(neng)(neng)不(bu)好的(de)(de)(de)(de)表現。接入(ru)二(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)VD1后，溫(wen)(wen)度(du)(du)(du)(du)下(xia)降(jiang)時，它的(de)(de)(de)(de)管(guan)(guan)(guan)(guan)壓(ya)(ya)降(jiang)稍有升(sheng)(sheng)高(gao)，使(shi)VT1基(ji)極(ji)(ji)直流(liu)(liu)工(gong)作電(dian)(dian)(dian)(dian)壓(ya)(ya)升(sheng)(sheng)高(gao)，結果VT1基(ji)極(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)增大，這(zhe)(zhe)樣(yang)也能(neng)(neng)補償三極(ji)(ji)管(guan)(guan)(guan)(guan)VT1溫(wen)(wen)度(du)(du)(du)(du)下(xia)降(jiang)時的(de)(de)(de)(de)不(bu)穩(wen)(wen)定(ding)(ding)。貴州車(che)(che)規二(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)廠(chang)家就找成(cheng)都長九電(dian)(dian)(dian)(dian)子(zi)科技有限公司。重慶汽(qi)車(che)(che)電(dian)(dian)(dian)(dian)子(zi)TVS二(er)(er)極(ji)(ji)管(guan)(guan)(guan)(guan)廠(chang)地址(zhi)

重慶汽車電子(zi)TVS二極管廠家就找成都長九(jiu)電子(zi)科(ke)技有限公司。四川(chuan)保護二極管廠地(di)址

從分(fen)(fen)流(liu)(liu)(liu)(liu)支(zhi)路電(dian)路分(fen)(fen)析中要明白一點：從級錄音(yin)放(fang)大(da)器輸(shu)出的(de)(de)信(xin)(xin)號(hao)，如果從VD1支(zhi)路分(fen)(fen)流(liu)(liu)(liu)(liu)得多，那么流(liu)(liu)(liu)(liu)入第二級錄音(yin)放(fang)大(da)器的(de)(de)錄音(yin)信(xin)(xin)號(hao)就小，反之(zhi)則大(da)。VD1存在(zai)(zai)導(dao)通與(yu)截止(zhi)兩種情況，在(zai)(zai)VD1截止(zhi)時對(dui)錄音(yin)信(xin)(xin)號(hao)無分(fen)(fen)流(liu)(liu)(liu)(liu)作用，在(zai)(zai)導(dao)通時則對(dui)錄音(yin)信(xin)(xin)號(hao)進(jin)行分(fen)(fen)流(liu)(liu)(liu)(liu)。在(zai)(zai)VD1正(zheng)(zheng)(zheng)極上接有電(dian)阻R1，它給VD1一個控制電(dian)壓(ya)(ya)(ya)，顯(xian)然這個電(dian)壓(ya)(ya)(ya)控制著(zhu)VD1導(dao)通或(huo)截止(zhi)。所以，R1送(song)來(lai)的(de)(de)電(dian)壓(ya)(ya)(ya)是分(fen)(fen)析VD1導(dao)通、截止(zhi)的(de)(de)關鍵所在(zai)(zai)。分(fen)(fen)析這個電(dian)路比較大(da)的(de)(de)困難是在(zai)(zai)VD1導(dao)通后(hou)，利(li)用了二極管導(dao)通后(hou)其正(zheng)(zheng)(zheng)向(xiang)(xiang)(xiang)電(dian)阻與(yu)導(dao)通電(dian)流(liu)(liu)(liu)(liu)之(zhi)間的(de)(de)關系特性進(jin)行電(dian)路分(fen)(fen)析，即二極管的(de)(de)正(zheng)(zheng)(zheng)向(xiang)(xiang)(xiang)電(dian)流(liu)(liu)(liu)(liu)愈(yu)(yu)大(da)，其正(zheng)(zheng)(zheng)向(xiang)(xiang)(xiang)電(dian)阻愈(yu)(yu)小，流(liu)(liu)(liu)(liu)過VD1的(de)(de)電(dian)流(liu)(liu)(liu)(liu)愈(yu)(yu)大(da)，其正(zheng)(zheng)(zheng)極與(yu)負極之(zhi)間的(de)(de)電(dian)阻愈(yu)(yu)小，反之(zhi)則大(da)。四(si)川保護二極管廠地址

成(cheng)(cheng)都長九電(dian)(dian)子科技(ji)有限公司依托可靠(kao)的(de)品(pin)(pin)質，旗下(xia)品(pin)(pin)牌伯恩(en)半導體(ti),BORNSEMI以高(gao)質量(liang)的(de)服務(wu)獲得廣大(da)受眾的(de)青睞。是具有一定(ding)實力(li)的(de)電(dian)(dian)子元(yuan)器(qi)(qi)(qi)件企業(ye)(ye)之一，主要(yao)提供保(bao)護(hu)器(qi)(qi)(qi)件，功(gong)率器(qi)(qi)(qi)件，驅動(dong)IC，接(jie)口芯片等領域(yu)內(nei)的(de)產品(pin)(pin)或服務(wu)。我們在發(fa)展業(ye)(ye)務(wu)的(de)同時，進一步推動(dong)了品(pin)(pin)牌價值完善。隨著業(ye)(ye)務(wu)能(neng)力(li)的(de)增長，以及(ji)品(pin)(pin)牌價值的(de)提升，也逐漸形成(cheng)(cheng)電(dian)(dian)子元(yuan)器(qi)(qi)(qi)件綜(zong)合一體(ti)化能(neng)力(li)。長九電(dian)(dian)子科技(ji)始(shi)終保(bao)持在電(dian)(dian)子元(yuan)器(qi)(qi)(qi)件領域(yu)優(you)先的(de)前提下(xia)，不(bu)斷優(you)化業(ye)(ye)務(wu)結構。在保(bao)護(hu)器(qi)(qi)(qi)件，功(gong)率器(qi)(qi)(qi)件，驅動(dong)IC，接(jie)口芯片等領域(yu)承攬了一大(da)批高(gao)精尖項目，積極為更多電(dian)(dian)子元(yuan)器(qi)(qi)(qi)件企業(ye)(ye)提供服務(wu)。

本文來自宜(yi)興(xing)市恒通風(feng)機(ji)有限公司：//vijoo.com.cn/Article/16a1099973.html