我(wo)们(men)(men)在(zai)装配(pei)和(he)检修(xiu)电子器(qi)(qi)件(jian)(jian)时，常(chang)需(xu)测(ce)(ce)量(liang)(liang)电路(lu)中某(mou)些(xie)电子元件(jian)(jian)或支路(lu)的电阻(zu)值(zhi)。初学(xue)...我(wo)们(men)(men)在(zai)装配(pei)和(he)检修(xiu)电子器(qi)(qi)件(jian)(jian)时，常(chang)需(xu)测(ce)(ce)量(liang)(liang)电路(lu)中某(mou)些(xie)电子元件(jian)(jian)或支路(lu)的电阻(zu)值(zhi)。初学(xue)者通常(chang)认为只有(you)将元件(jian)(jian)取下来才(cai)测(ce)(ce)得准确，其实在(zai)很多(duo)情况下是可在(zai)路(lu)直(zhi)接测(ce)(ce)量(liang)(liang)的，而且(qie)...
三(san)(san)(san)端稳(wen)(wen)压(ya)(ya)(ya)器及其(qi)电(dian)路图形(xing)符(fu)号 三(san)(san)(san)端稳(wen)(wen)压(ya)(ya)(ya)器是(shi)(shi)具有三(san)(san)(san)只引(yin)脚的直流(liu)稳(wen)(wen)压(ya)(ya)(ya)集(ji)成电(dian)路，用(yong)...三(san)(san)(san)端稳(wen)(wen)压(ya)(ya)(ya)器及其(qi)电(dian)路图形(xing)符(fu)号 三(san)(san)(san)端稳(wen)(wen)压(ya)(ya)(ya)器是(shi)(shi)具有三(san)(san)(san)只引(yin)脚的直流(liu)稳(wen)(wen)压(ya)(ya)(ya)集(ji)成电(dian)路，用(yong)于将(jiang)输(shu)入端的直流(liu)电(dian)压(ya)(ya)(ya)稳(wen)(wen)压(ya)(ya)(ya)后(hou)输(shu)出一定值(zhi)的直流(liu)电(dian)压(ya)(ya)(ya)。
共(gong)射极(ji)(ji)放(fang)(fang)大(da)电(dian)(dian)(dian)路(lu)(lu)特(te)点(dian) 共(gong)射极(ji)(ji)放(fang)(fang)大(da)电(dian)(dian)(dian)路(lu)(lu)是基本放(fang)(fang)大(da)电(dian)(dian)(dian)路(lu)(lu)中(zhong)最(zui)常见(jian)的(de)一种(zhong)，既(ji)有电(dian)(dian)(dian)流放(fang)(fang)...共(gong)射极(ji)(ji)放(fang)(fang)大(da)电(dian)(dian)(dian)路(lu)(lu)特(te)点(dian) 共(gong)射极(ji)(ji)放(fang)(fang)大(da)电(dian)(dian)(dian)路(lu)(lu)是基本放(fang)(fang)大(da)电(dian)(dian)(dian)路(lu)(lu)中(zhong)最(zui)常见(jian)的(de)一种(zhong)，既(ji)有电(dian)(dian)(dian)流放(fang)(fang)大(da)功能，又有电(dian)(dian)(dian)压(ya)放(fang)(fang)大(da)功能，常用于小信号放(fang)(fang)大(da)电(dian)(dian)(dian)路(lu)(lu)中(zhong)。
三(san)极(ji)管的(de)(de)正(zheng)偏(pian)(pian)与反(fan)偏(pian)(pian)： 给PN结加(jia)的(de)(de)电(dian)(dian)压(ya)和PN结的(de)(de)允许电(dian)(dian)流(liu)方向(xiang)一(yi)致的(de)(de)叫正(zheng)偏(pian)(pian)，否(fou)则...三(san)极(ji)管的(de)(de)正(zheng)偏(pian)(pian)与反(fan)偏(pian)(pian)： 给PN结加(jia)的(de)(de)电(dian)(dian)压(ya)和PN结的(de)(de)允许电(dian)(dian)流(liu)方向(xiang)一(yi)致的(de)(de)叫正(zheng)偏(pian)(pian)，否(fou)则就(jiu)是反(fan)偏(pian)(pian)。即当P区电(dian)(dian)位(wei)高于N区电(dian)(dian)位(wei)时(shi)就(jiu)是正(zheng)偏(pian)(pian)，反(fan)之就(jiu)是反(fan)偏(pian)(pian)。例(li)如NPN型三(san)极(ji)管，位(wei)...
自(zi)激(ji)振(zhen)(zhen)荡(dang)常用(yong)于(yu)(yu)(yu)(yu)正弦波发生(sheng)(sheng)器(qi)、交流控制信号(hao)等。自(zi)激(ji)振(zhen)(zhen)荡(dang)的(de)应(ying)用(yong)于(yu)(yu)(yu)(yu)许(xu)多电(dian)路(lu)(lu)，如正...自(zi)激(ji)振(zhen)(zhen)荡(dang)常用(yong)于(yu)(yu)(yu)(yu)正弦波发生(sheng)(sheng)器(qi)、交流控制信号(hao)等。自(zi)激(ji)振(zhen)(zhen)荡(dang)的(de)应(ying)用(yong)于(yu)(yu)(yu)(yu)许(xu)多电(dian)路(lu)(lu)，如正弦波振(zhen)(zhen)荡(dang)器(qi)广泛用(yong)于(yu)(yu)(yu)(yu)各种(zhong)电(dian)子设备中，在模(mo)拟(ni)电(dian)子技术中属(shu)于(yu)(yu)(yu)(yu)必不可(ke)少的(de)一(yi)种(zhong)元件。它是...
振(zhen)(zhen)(zhen)荡(dang)电(dian)(dian)路(lu)犹(you)如电(dian)(dian)路(lu)系统的(de)(de)(de)心脏，高(gao)度(du)稳定的(de)(de)(de)振(zhen)(zhen)(zhen)荡(dang)单(dan)元(yuan)如晶振(zhen)(zhen)(zhen)是(shi)计算(suan)机(ji)工作的(de)(de)(de)基(ji)本(ben)条(tiao)件...振(zhen)(zhen)(zhen)荡(dang)电(dian)(dian)路(lu)犹(you)如电(dian)(dian)路(lu)系统的(de)(de)(de)心脏，高(gao)度(du)稳定的(de)(de)(de)振(zhen)(zhen)(zhen)荡(dang)单(dan)元(yuan)如晶振(zhen)(zhen)(zhen)是(shi)计算(suan)机(ji)工作的(de)(de)(de)基(ji)本(ben)条(tiao)件和重要(yao)保障(zhang)。实用的(de)(de)(de)振(zhen)(zhen)(zhen)荡(dang)电(dian)(dian)路(lu)形式比较多(duo)样，功能各有不同，但振(zhen)(zhen)(zhen)荡(dang)产生的(de)(de)(de)原理基(ji)本(ben)一致(zhi)...
