光(guang)(guang)(guang)伏(fu)模(mo)式(shi)也稱為(wei)(wei)零(ling)偏(pian)壓模(mo)式(shi)。當光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)極(ji)(ji)(ji)(ji)管工作(zuo)在(zai)(zai)低頻應(ying)(ying)用(yong)和超能級(ji)光(guang)(guang)(guang)應(ying)(ying)用(yong)時，這(zhe)種模(mo)式(shi)是(shi)優先(xian)。當閃(shan)光(guang)(guang)(guang)照射光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)極(ji)(ji)(ji)(ji)管時，會產生(sheng)(sheng)(sheng)電(dian)(dian)(dian)壓。產生(sheng)(sheng)(sheng)的電(dian)(dian)(dian)壓將(jiang)具有非(fei)常(chang)小的動態范圍，并(bing)且(qie)具有非(fei)線性特性。當光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)極(ji)(ji)(ji)(ji)管在(zai)(zai)此模(mo)式(shi)下配置 OP-AMP ，隨(sui)溫度(du)的變化將(jiang)非(fei)常(chang)小。在(zai)(zai)光(guang)(guang)(guang)電(dian)(dian)(dian)導模(mo)式(shi)下，光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)極(ji)(ji)(ji)(ji)管將(jiang)在(zai)(zai)反(fan)向(xiang)偏(pian)置條件下工作(zuo)。陰極(ji)(ji)(ji)(ji)為(wei)(wei)正極(ji)(ji)(ji)(ji)，陽極(ji)(ji)(ji)(ji)為(wei)(wei)負(fu)極(ji)(ji)(ji)(ji)。當反(fan)向(xiang)電(dian)(dian)(dian)壓增(zeng)加時，耗(hao)盡層(ceng)的寬度(du)也會增(zeng)加。因此，響應(ying)(ying)時間和結電(dian)(dian)(dian)容將(jiang)減少。相比之下，這(zhe)種操(cao)作(zuo)模(mo)式(shi)速度(du)快，并(bing)且(qie)會產生(sheng)(sheng)(sheng)電(dian)(dian)(dian)子(zi)噪(zao)音。雪(xue)崩二(er)極(ji)(ji)(ji)(ji)管在(zai)(zai)高(gao)反(fan)向(xiang)偏(pian)置條件下工作(zuo)，這(zhe)允許雪(xue)崩擊穿(chuan)倍增(zeng)到每(mei)個(ge)光(guang)(guang)(guang)電(dian)(dian)(dian)產生(sheng)(sheng)(sheng)的電(dian)(dian)(dian)子(zi)-空穴對(dui)。該結果是(shi)光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)極(ji)(ji)(ji)(ji)管的內部增(zeng)益，它會緩慢增(zeng)加設備響應(ying)(ying)。原裝，廠(chang)家直銷光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)三極(ji)(ji)(ji)(ji)管就選擇凱軒業電(dian)(dian)(dian)子(zi)有限公(gong)司。遼寧微型光(guang)(guang)(guang)電(dian)(dian)(dian)三極(ji)(ji)(ji)(ji)管哪家便宜

光(guang)(guang)(guang)(guang)(guang)照(zhao)特(te)(te)性(xing)是指在陰極(ji)(ji)和陽極(ji)(ji)之(zhi)間的光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)極(ji)(ji)管電(dian)(dian)壓(ya)恒(heng)定時，光(guang)(guang)(guang)(guang)(guang)通(tong)(tong)量與光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)流的關(guan)(guan)(guan)系。光(guang)(guang)(guang)(guang)(guang)特(te)(te)性(xing)曲線的斜率稱(cheng)為(wei)(wei)光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)極(ji)(ji)管靈(ling)敏(min)度。光(guang)(guang)(guang)(guang)(guang)譜(pu)特(te)(te)性(xing)光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)流與入射(she)光(guang)(guang)(guang)(guang)(guang)波長(chang)(chang)(chang)(chang)之(zhi)間的關(guan)(guan)(guan)系稱(cheng)為(wei)(wei)光(guang)(guang)(guang)(guang)(guang)譜(pu)特(te)(te)性(xing)。光(guang)(guang)(guang)(guang)(guang)子能量與光(guang)(guang)(guang)(guang)(guang)波長(chang)(chang)(chang)(chang)有(you)關(guan)(guan)(guan)：波長(chang)(chang)(chang)(chang)越長(chang)(chang)(chang)(chang)，光(guang)(guang)(guang)(guang)(guang)子能量越小；波長(chang)(chang)(chang)(chang)越短，光(guang)(guang)(guang)(guang)(guang)子能量越大。光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)極(ji)(ji)管的作用與用途光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)極(ji)(ji)管的功(gong)能光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)極(ji)(ji)管用于(yu)：1、光(guang)(guang)(guang)(guang)(guang)控光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)極(ji)(ji)管可用作光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)開關(guan)(guan)(guan)，其電(dian)(dian)路如下(xia)圖所示。當(dang)沒(mei)有(you)光(guang)(guang)(guang)(guang)(guang)時，光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)極(ji)(ji)管VD1由于(yu)反向(xiang)電(dian)(dian)壓(ya)而截(jie)止。晶體管VT1和VT2也(ye)因無基極(ji)(ji)電(dian)(dian)流而截(jie)止。繼電(dian)(dian)器處(chu)于(yu)釋放狀態。當(dang)光(guang)(guang)(guang)(guang)(guang)在VD1上發射(she)時，它從截(jie)止過渡到導(dao)通(tong)(tong)。于(yu)是，VT1、VT2依次導(dao)通(tong)(tong)，繼電(dian)(dian)器K吸合，接通(tong)(tong)控制電(dian)(dian)路。重慶大規(gui)模(mo)光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)三極(ji)(ji)管銷售代理光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)二(er)(er)三極(ji)(ji)管，就選深圳市凱(kai)軒(xuan)業科技，讓您滿意，歡迎您光(guang)(guang)(guang)(guang)(guang)臨哦！

光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)是(shi)(shi)一種(zhong)采(cai)用(yong)PN結單向(xiang)導電(dian)性能(neng)的結型光(guang)(guang)(guang)電(dian)器件，也叫光(guang)(guang)(guang)電(dian)二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)，能(neng)夠將光(guang)(guang)(guang)信號變成(cheng)電(dian)信號的探測器件，通過在(zai)PN結加(jia)上反向(xiang)電(dian)壓，在(zai)光(guang)(guang)(guang)的照射下反向(xiang)導通，光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)所用(yong)材料一般有(you)(you)硅、鍺等(deng)。如(ru)(ru)下圖是(shi)(shi)光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)的外(wai)形(xing)結構與符(fu)號。光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)一般有(you)(you)ZDU型和ZCU型兩種(zhong)。一般常用(yong)的是(shi)(shi)ZCU型,它是(shi)(shi)全密封、金屬外(wai)殼、頂部有(you)(you)玻璃窗(chuang)口。光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)具(ju)有(you)(you)體(ti)積小(xiao)、重量輕、使用(yong)壽命(ming)長、靈敏度(du)高等(deng)特點。光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)有(you)(you)PN結型、PIN結型、雪崩型以及肖(xiao)特基結型4種(zhong)，其中應用(yong)較(jiao)多的是(shi)(shi)用(yong)硅材料制成(cheng)的PN結型光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)。光(guang)(guang)(guang)敏二(er)(er)(er)(er)極(ji)管(guan)(guan)(guan)(guan)主要用(yong)于自(zi)動控(kong)制。如(ru)(ru)光(guang)(guang)(guang)耦(ou)合(he)、光(guang)(guang)(guang)電(dian)讀出裝置、紅外(wai)線遙控(kong)裝置、紅外(wai)防(fang)盜、路燈(deng)的自(zi)動控(kong)制、過程控(kong)制、編(bian)碼器、譯碼器等(deng)。

三(san)(san)(san)(san)極(ji)(ji)(ji)管，全稱(cheng)為半(ban)導體(ti)(ti)三(san)(san)(san)(san)極(ji)(ji)(ji)管，也稱(cheng)雙極(ji)(ji)(ji)型晶(jing)體(ti)(ti)管、晶(jing)體(ti)(ti)三(san)(san)(san)(san)極(ji)(ji)(ji)管，是(shi)一種(zhong)(zhong)控(kong)制(zhi)電(dian)(dian)流的半(ban)導體(ti)(ti)器件其(qi)作(zuo)(zuo)用(yong)(yong)是(shi)把微弱信號放(fang)大(da)(da)成幅度值較大(da)(da)的電(dian)(dian)信號，也用(yong)(yong)作(zuo)(zuo)無觸點開關(guan)。三(san)(san)(san)(san)極(ji)(ji)(ji)管是(shi)在(zai)(zai)一塊半(ban)導體(ti)(ti)基(ji)(ji)片上制(zhi)作(zuo)(zuo)兩個相(xiang)距很近的PN結(jie)，兩個PN結(jie)把整塊半(ban)導體(ti)(ti)分(fen)成三(san)(san)(san)(san)部(bu)(bu)分(fen)，中間部(bu)(bu)分(fen)是(shi)基(ji)(ji)區(qu)，兩側部(bu)(bu)分(fen)是(shi)發射區(qu)和(he)(he)集電(dian)(dian)區(qu)，排列(lie)方式有PNP和(he)(he)NPN兩種(zhong)(zhong)。它有三(san)(san)(san)(san)大(da)(da)應用(yong)(yong)：1.用(yong)(yong)在(zai)(zai)放(fang)大(da)(da)電(dian)(dian)路(lu)，作(zuo)(zuo)電(dian)(dian)壓(ya)或(huo)電(dian)(dian)流放(fang)大(da)(da)；2、用(yong)(yong)在(zai)(zai)振蕩(dang)電(dian)(dian)路(lu)中，調(diao)制(zhi)、解調(diao)或(huo)自激(ji)振蕩(dang)；3、用(yong)(yong)在(zai)(zai)開關(guan)電(dian)(dian)路(lu)中，作(zuo)(zuo)閘流、限流或(huo)開關(guan)管。三(san)(san)(san)(san)極(ji)(ji)(ji)管，全稱(cheng)為半(ban)導體(ti)(ti)三(san)(san)(san)(san)極(ji)(ji)(ji)管，也稱(cheng)雙極(ji)(ji)(ji)型晶(jing)體(ti)(ti)管、晶(jing)體(ti)(ti)三(san)(san)(san)(san)極(ji)(ji)(ji)管，是(shi)一種(zhong)(zhong)控(kong)制(zhi)電(dian)(dian)流的半(ban)導體(ti)(ti)器件。

光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)三(san)(san)極(ji)(ji)管(guan)也是一種(zhong)晶體管(guan)，它有(you)三(san)(san)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)。當(dang)光(guang)(guang)照強弱變(bian)化(hua)時，電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)之(zhi)間的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻會隨之(zhi)變(bian)化(hua)。光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)三(san)(san)極(ji)(ji)管(guan)是在光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)二(er)(er)極(ji)(ji)管(guan)的(de)(de)(de)基(ji)礎上發(fa)展起來(lai)的(de)(de)(de)光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)器件(jian)，它本(ben)身具(ju)有(you)放大(da)功能。目(mu)前的(de)(de)(de)光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)三(san)(san)極(ji)(ji)管(guan)是采用(yong)硅(gui)(gui)材料制作(zuo)而(er)(er)(er)成的(de)(de)(de)。這(zhe)是由(you)于(yu)硅(gui)(gui)元件(jian)較鍺元件(jian)有(you)小得多(duo)的(de)(de)(de)暗電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)和較小的(de)(de)(de)溫度系數。硅(gui)(gui)光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)三(san)(san)極(ji)(ji)管(guan)是用(yong)N型硅(gui)(gui)單晶做成N—P—N結構的(de)(de)(de)。管(guan)芯基(ji)區(qu)(qu)面積做得較大(da)，發(fa)射(she)(she)(she)(she)(she)區(qu)(qu)面積卻(que)做得較小，入射(she)(she)(she)(she)(she)光(guang)(guang)線(xian)主要被基(ji)區(qu)(qu)吸收。與(yu)光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)二(er)(er)極(ji)(ji)管(guan)一樣，入射(she)(she)(she)(she)(she)光(guang)(guang)在基(ji)區(qu)(qu)中激發(fa)出電(dian)(dian)(dian)(dian)(dian)(dian)子與(yu)空(kong)(kong)穴。在基(ji)區(qu)(qu)漂移場的(de)(de)(de)作(zuo)用(yong)下，電(dian)(dian)(dian)(dian)(dian)(dian)子被拉向(xiang)集電(dian)(dian)(dian)(dian)(dian)(dian)區(qu)(qu)，而(er)(er)(er)空(kong)(kong)穴被積聚在靠近(jin)發(fa)射(she)(she)(she)(she)(she)區(qu)(qu)的(de)(de)(de)一邊。由(you)于(yu)空(kong)(kong)穴的(de)(de)(de)積累而(er)(er)(er)引起發(fa)射(she)(she)(she)(she)(she)區(qu)(qu)勢(shi)壘(lei)的(de)(de)(de)降低，其結果相當(dang)于(yu)在發(fa)射(she)(she)(she)(she)(she)區(qu)(qu)兩端加上一個(ge)正向(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，從(cong)而(er)(er)(er)引起了倍率為β+1(相當(dang)于(yu)三(san)(san)極(ji)(ji)管(guan)共(gong)發(fa)射(she)(she)(she)(she)(she)極(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)中的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)增(zeng)益)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)子注入，這(zhe)就是硅(gui)(gui)光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)三(san)(san)極(ji)(ji)管(guan)的(de)(de)(de)工作(zuo)原(yuan)理。光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)二(er)(er)三(san)(san)極(ji)(ji)管(guan)就選凱軒業科技(ji)，有(you)想法可以來(lai)我司咨詢(xun)！江蘇自動化(hua)光(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)三(san)(san)極(ji)(ji)管(guan)的(de)(de)(de)用(yong)途

用戶的信賴之選，有(you)想法可以來(lai)我司咨(zi)詢！晶體管(guan)(guan)二三極(ji)(ji)管(guan)(guan)，就選深圳市凱(kai)軒(xuan)業電(dian)(dian)子(zi)科技(ji)。遼(liao)寧微型光電(dian)(dian)三極(ji)(ji)管(guan)(guan)哪(na)家便宜

光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)是一(yi)種將(jiang)光(guang)(guang)(guang)轉換為電(dian)(dian)(dian)流的(de)(de)(de)半導體(ti)器(qi)(qi)件(jian)，在(zai)p（正）和(he)n（負(fu)）層(ceng)之間，存(cun)在(zai)一(yi)個(ge)本征層(ceng)。光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)接受光(guang)(guang)(guang)能作(zuo)(zuo)為輸入以(yi)產生電(dian)(dian)(dian)流。光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)也被稱(cheng)為光(guang)(guang)(guang)電(dian)(dian)(dian)探測器(qi)(qi)，光(guang)(guang)(guang)電(dian)(dian)(dian)傳感(gan)器(qi)(qi)或光(guang)(guang)(guang)探測器(qi)(qi)。光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)工作(zuo)(zuo)在(zai)反(fan)向偏(pian)置條(tiao)件(jian)下，即(ji)光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)p-側(ce)與電(dian)(dian)(dian)池（或電(dian)(dian)(dian)源）的(de)(de)(de)負(fu)極(ji)(ji)(ji)(ji)相連(lian)，n-側(ce)與電(dian)(dian)(dian)池的(de)(de)(de)正極(ji)(ji)(ji)(ji)相連(lian)。典型的(de)(de)(de)光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)材料是硅(gui)、鍺、磷化(hua)砷(shen)化(hua)銦(yin)鎵和(he)砷(shen)化(hua)銦(yin)鎵。在(zai)內(nei)部，光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)具有(you)濾光(guang)(guang)(guang)器(qi)(qi)、內(nei)置透鏡和(he)表面區域。當(dang)光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)表面積增(zeng)加時，會縮短響應時間。很少有(you)光(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)看起(qi)來(lai)像發光(guang)(guang)(guang)二(er)(er)(er)(er)(er)(er)極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(LED)。它有(you)兩個(ge)終端，如下所示(shi)。較(jiao)小的(de)(de)(de)端子用作(zuo)(zuo)陰極(ji)(ji)(ji)(ji)，較(jiao)長的(de)(de)(de)端子用作(zuo)(zuo)陽極(ji)(ji)(ji)(ji)。+遼寧微型光(guang)(guang)(guang)電(dian)(dian)(dian)三極(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)哪家便(bian)宜

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