场效(xiao)应管由(you)多数载(zai)流(liu)子参与(yu)(yu)导电,称(cheng)为(wei)单极型(xing)(xing)晶体(ti)(ti)管.它也(ye)属(shu)于电压控(kong)制型(xing)(xing)半(ban)导体(ti)(ti)器件(jian)(jian)...场效(xiao)应管由(you)多数载(zai)流(liu)子参与(yu)(yu)导电,称(cheng)为(wei)单极型(xing)(xing)晶体(ti)(ti)管.它也(ye)属(shu)于电压控(kong)制型(xing)(xing)半(ban)导体(ti)(ti)器件(jian)(jian).具(ju)有输(shu)入电阻高(gao)（108~109Ω）、噪声小(xiao)、功耗低、动态范(fan)围大(da)、易于集成、没有二次击...
稳(wen)压(ya)(ya)电(dian)(dian)路(lu)(lu)(lu)：在输(shu)入(ru)(ru)电(dian)(dian)压(ya)(ya)、负载、环境温度(du)、电(dian)(dian)路(lu)(lu)(lu)参数(shu)等发(fa)(fa)生变化时(shi)仍能(neng)(neng)保持输(shu)出(chu)电(dian)(dian)压(ya)(ya)...稳(wen)压(ya)(ya)电(dian)(dian)路(lu)(lu)(lu)：在输(shu)入(ru)(ru)电(dian)(dian)压(ya)(ya)、负载、环境温度(du)、电(dian)(dian)路(lu)(lu)(lu)参数(shu)等发(fa)(fa)生变化时(shi)仍能(neng)(neng)保持输(shu)出(chu)电(dian)(dian)压(ya)(ya)恒定(ding)的电(dian)(dian)路(lu)(lu)(lu)。这种(zhong)电(dian)(dian)路(lu)(lu)(lu)能(neng)(neng)提供稳(wen)定(ding)的直流电(dian)(dian)源，广为各种(zhong)电(dian)(dian)子设(she)备所采用。
电(dian)路中，电(dian)流只能(neng)(neng)(neng)从二(er)(er)极管(guan)的正(zheng)极流入(ru)，负极流出(chu)。在(zai)规(gui)定的正(zheng)向(xiang)电(dian)流下，二(er)(er)极管(guan)的...电(dian)路中，电(dian)流只能(neng)(neng)(neng)从二(er)(er)极管(guan)的正(zheng)极流入(ru)，负极流出(chu)。在(zai)规(gui)定的正(zheng)向(xiang)电(dian)流下，二(er)(er)极管(guan)的正(zheng)向(xiang)电(dian)压(ya)降(jiang)，是二(er)(er)极管(guan)能(neng)(neng)(neng)够导通的正(zheng)向(xiang)最(zui)低电(dian)压(ya)。
场(chang)效应(ying)(ying)管(guan)是(shi)(shi)电(dian)(dian)(dian)(dian)(dian)压(ya)控制(zhi)(zhi)元(yuan)(yuan)(yuan)件(jian)，而(er)晶(jing)体(ti)管(guan)是(shi)(shi)电(dian)(dian)(dian)(dian)(dian)流控制(zhi)(zhi)元(yuan)(yuan)(yuan)件(jian)。在只允许从信(xin)号源取(qu)(qu)较少电(dian)(dian)(dian)(dian)(dian)流...场(chang)效应(ying)(ying)管(guan)是(shi)(shi)电(dian)(dian)(dian)(dian)(dian)压(ya)控制(zhi)(zhi)元(yuan)(yuan)(yuan)件(jian)，而(er)晶(jing)体(ti)管(guan)是(shi)(shi)电(dian)(dian)(dian)(dian)(dian)流控制(zhi)(zhi)元(yuan)(yuan)(yuan)件(jian)。在只允许从信(xin)号源取(qu)(qu)较少电(dian)(dian)(dian)(dian)(dian)流的(de)情况下，应(ying)(ying)选用场(chang)效应(ying)(ying)管(guan)；而(er)在信(xin)号电(dian)(dian)(dian)(dian)(dian)压(ya)较低(di)，又允许从信(xin)号源取(qu)(qu)较多电(dian)(dian)(dian)(dian)(dian)流的(de)条件(jian)下，...
二(er)极(ji)管电(dian)子(zi)元件，具(ju)有(you)两个电(dian)极(ji)的装置，只允(yun)许电(dian)流(liu)(liu)由单(dan)一(yi)方(fang)(fang)向流(liu)(liu)过(guo)。现在用(yong)的比(bi)...二(er)极(ji)管电(dian)子(zi)元件，具(ju)有(you)两个电(dian)极(ji)的装置，只允(yun)许电(dian)流(liu)(liu)由单(dan)一(yi)方(fang)(fang)向流(liu)(liu)过(guo)。现在用(yong)的比(bi)较(jiao)多是(shi)应用(yong)其整流(liu)(liu)的功能。而变容(rong)二(er)极(ji)管则用(yong)来当(dang)作电(dian)子(zi)式(shi)的可(ke)调电(dian)容(rong)器。
半导体二极(ji)管主要是依(yi)靠(kao)(kao)PN结(jie)而工作的(de)(de)。与PN结(jie)不(bu)可分割的(de)(de)点接(jie)触型(xing)(xing)和肖(xiao)特基型(xing)(xing)，也...半导体二极(ji)管主要是依(yi)靠(kao)(kao)PN结(jie)而工作的(de)(de)。与PN结(jie)不(bu)可分割的(de)(de)点接(jie)触型(xing)(xing)和肖(xiao)特基型(xing)(xing)，也被列入(ru)一般的(de)(de)二极(ji)管的(de)(de)范围内，包括这(zhei)两种型(xing)(xing)号在(zai)内，根据PN结(jie)构(gou)造面 的(de)(de)特点
