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藍寶寶浪涌抑制器工作原理

Update time:2019-05-04

藍(lan)寶(bao)寶(bao)浪涌抑(yi)制器,英(ying)文(wen)簡稱(cheng)BPSS,又叫雪崩二極管,是一種(zhong)利(li)用半導(dao)體結構中載流子的(de)(de)碰撞電(dian)(dian)(dian)離(li)和渡(du)越時間兩(liang)種(zhong)物理效(xiao)應(ying)(ying)而產生負阻的(de)(de)固(gu)體微波(bo)器件(jian)。專業(ye)被動保護器件(jian)供應(ying)(ying)廠(chang)商東沃電(dian)(dian)(dian)子,所供應(ying)(ying)的(de)(de)藍(lan)寶(bao)寶(bao)浪涌抑(yi)制器,具有超(chao)強的(de)(de)浪涌吸收能(neng)力,抑(yi)制電(dian)(dian)(dian)壓能(neng)力超(chao)強,反應(ying)(ying)速度超(chao)快,通(tong)常并(bing)聯在(zai)電(dian)(dian)(dian)路中,既能(neng)解決(jue)浪涌問(wen)題,同(tong)時對靜(jing)電(dian)(dian)(dian)具有超(chao)強的(de)(de)保護效(xiao)果,一個器件(jian)就能(neng)達到之前三級防護電(dian)(dian)(dian)路的(de)(de)效(xiao)果。BPSS廣泛應(ying)(ying)用于通(tong)信電(dian)(dian)(dian)源與基站、汽車電(dian)(dian)(dian)子、儀器儀表、工業(ye)控制、能(neng)源領域等。


那(nei)么(me)(me),您知道藍寶寶浪涌抑制器是(shi)怎(zen)么(me)(me)工(gong)作的(de)嗎?它的(de)工(gong)作原(yuan)理是(shi)什(shen)么(me)(me)呢?一起跟著東沃(wo)電子(zi)來尋找答案吧!


在材料摻雜濃度較低的(de)(de)(de)PN結中(zhong),當PN結反(fan)向電(dian)(dian)(dian)壓增加時(shi),空(kong)(kong)間電(dian)(dian)(dian)荷(he)(he)區中(zhong)的(de)(de)(de)電(dian)(dian)(dian)場隨著(zhu)增強。這樣(yang)(yang),通過空(kong)(kong)間電(dian)(dian)(dian)荷(he)(he)區的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)(zi)和(he)(he)空(kong)(kong)穴,就會在電(dian)(dian)(dian)場作用(yong)下獲得(de)的(de)(de)(de)能量增 大(da)(da)(da),在晶(jing)體(ti)(ti)中(zhong)運(yun)(yun)動的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)(zi)和(he)(he)空(kong)(kong)穴將不斷地與晶(jing)體(ti)(ti)原子(zi)(zi)(zi)又發生碰(peng)(peng)撞(zhuang),當電(dian)(dian)(dian)子(zi)(zi)(zi)和(he)(he)空(kong)(kong)穴的(de)(de)(de)能量足夠(gou)大(da)(da)(da)時(shi),通過這樣(yang)(yang)的(de)(de)(de)碰(peng)(peng)撞(zhuang)的(de)(de)(de)可(ke)使共(gong)價鍵中(zhong)的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)(zi)激發形(xing)成自(zi)由電(dian)(dian)(dian)子(zi)(zi)(zi)–空(kong)(kong)穴 對。新(xin)產生的(de)(de)(de)電(dian)(dian)(dian)子(zi)(zi)(zi)和(he)(he)空(kong)(kong)穴也向相反(fan)的(de)(de)(de)方向運(yun)(yun)動,重(zhong)新(xin)獲得(de)能量,又可(ke)通過碰(peng)(peng)撞(zhuang),再產生電(dian)(dian)(dian)子(zi)(zi)(zi)–空(kong)(kong)穴對,這就是(shi)載(zai)流(liu)(liu)(liu)子(zi)(zi)(zi)的(de)(de)(de)倍增效應(ying)。當反(fan)向電(dian)(dian)(dian)壓增大(da)(da)(da)到某一數值(zhi)后,載(zai) 流(liu)(liu)(liu)子(zi)(zi)(zi)的(de)(de)(de)倍增情況就像在陡(dou)峻的(de)(de)(de)積雪(xue)山坡上發生雪(xue)崩(beng)一樣(yang)(yang),載(zai)流(liu)(liu)(liu)子(zi)(zi)(zi)增加得(de)多(duo)而快,這樣(yang)(yang),反(fan)向電(dian)(dian)(dian)流(liu)(liu)(liu)劇增, PN結就發生雪(xue)崩(beng)擊穿。利用(yong)該特點可(ke)制(zhi)作高反(fan)壓二極管。


藍寶(bao)(bao)寶(bao)(bao)浪涌(yong)抑制器(qi)(qi)(雪(xue)崩(beng)(beng)二(er)極(ji)管)是一種負(fu)阻(zu)器(qi)(qi)件,特點是輸出功率大,但噪(zao)(zao)聲(sheng)(sheng)也很(hen)大。主要(yao)(yao)噪(zao)(zao)聲(sheng)(sheng)來自于雪(xue)崩(beng)(beng)噪(zao)(zao)聲(sheng)(sheng),是由于雪(xue)崩(beng)(beng)倍增過程(cheng)中產生電子(zi)和(he)空穴和(he)無規則性(xing)所引(yin)起的(de),其(qi)性(xing)質和(he)散彈(dan)噪(zao)(zao)聲(sheng)(sheng)類似(si)。雪(xue)崩(beng)(beng)噪(zao)(zao)聲(sheng)(sheng)是雪(xue)崩(beng)(beng)二(er)極(ji)管振(zhen)蕩器(qi)(qi)的(de)噪(zao)(zao)聲(sheng)(sheng)遠高于其(qi)它振(zhen)蕩器(qi)(qi)的(de)主要(yao)(yao)原因。目前東沃電子(zi)向廣大客戶供應的(de)KA系列藍寶(bao)(bao)寶(bao)(bao)浪涌(yong)抑制器(qi)(qi),型號齊(qi)全、品質卓越、價格美麗,歡(huan)迎有需要(yao)(yao)的(de)您(nin)前來選購,免(mian)費選型,免(mian)費樣品!


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