力士樂Rexroth放大版支架R900020153

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力士樂Rexroth放大版支架R900020153

VT-VSPA1-1-1X,
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電(dian)(dian)(dian)路板(ban)上的(de)(de)(de)(de)(de)電(dian)(dian)(dian)子(zi)元(yuan)件，元(yuan)件和器件還是有本(ben)質區(qu)別的(de)(de)(de)(de)(de)，元(yuan)件就電(dian)(dian)(dian)阻，電(dian)(dian)(dian)容(rong)，電(dian)(dian)(dian)感這幾種(zhong)(zhong)，它們在(zai)生產(chan)中不改變(bian)(bian)內部的(de)(de)(de)(de)(de)分(fen)子(zi)結構，也就是性能只(zhi)取決于材料(liao)。器件一般都是指各(ge)種(zhong)(zhong)半導體(ti)，比(bi)如(ru)二極(ji)管，三(san)極(ji)管等(deng)，它們在(zai)生產(chan)時(shi)要改變(bian)(bian)其中的(de)(de)(de)(de)(de)分(fen)子(zi)結構。比(bi)如(ru)三(san)極(ji)管在(zai)生產(chan)時(shi)要使發射區(qu)的(de)(de)(de)(de)(de)多數載流子(zi)濃(nong)度大于基區(qu)，這樣就改變(bian)(bian)了其中的(de)(de)(de)(de)(de)分(fen)子(zi)結構，所(suo)以是一種(zhong)(zhong)器件。下(xia)面根據題意(yi)來分(fen)別說一下(xia)幾種(zhong)(zhong)元(yuan)件的(de)(de)(de)(de)(de)作用。

　1、電阻的作用

　　電(dian)(dian)(dian)阻(zu)(zu)(zu)在(zai)電(dian)(dian)(dian)路中(zhong)被大量使用(yong)(yong)，作用(yong)(yong)不外乎有幾種，分(fen)(fen)流(liu)(liu)，分(fen)(fen)壓，限流(liu)(liu)等。電(dian)(dian)(dian)阻(zu)(zu)(zu)并聯(lian)(lian)分(fen)(fen)流(liu)(liu)，串(chuan)聯(lian)(lian)分(fen)(fen)壓，至于限流(liu)(liu)，我們使用(yong)(yong)的(de)發光(guang)二極管一般都會串(chuan)聯(lian)(lian)一個電(dian)(dian)(dian)阻(zu)(zu)(zu)，這個電(dian)(dian)(dian)阻(zu)(zu)(zu)的(de)作用(yong)(yong)就是限流(liu)(liu)，以免電(dian)(dian)(dian)流(liu)(liu)過大燒(shao)壞發光(guang)二極管

　2、電容的作用

　　電(dian)(dian)(dian)容的(de)作用(yong)就(jiu)多了(le)，有濾(lv)波(bo)，旁(pang)路，耦合，儲能等。我們(men)在電(dian)(dian)(dian)路板(ban)上經常見到(dao)并使用(yong)的(de)就(jiu)是濾(lv)波(bo)功能了(le)，只要是電(dian)(dian)(dian)源電(dian)(dian)(dian)路都會用(yong)到(dao)電(dian)(dian)(dian)容濾(lv)波(bo)。不管(guan)什么(me)作用(yong)，都是利用(yong)了(le)電(dian)(dian)(dian)容隔直通交，通高(gao)阻(zu)低的(de)特(te)性。

　3、電感的作用

　　電(dian)(dian)(dian)(dian)感(gan)在電(dian)(dian)(dian)(dian)路中使用(yong)的不如電(dian)(dian)(dian)(dian)阻和電(dian)(dian)(dian)(dian)容多，主要作用(yong)有濾波，振蕩，延遲，陷波等，不管是什么作用(yong)，都是利(li)用(yong)了電(dian)(dian)(dian)(dian)感(gan)通(tong)直隔交，通(tong)低阻高的特性，和電(dian)(dian)(dian)(dian)容相反。