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長電(dian)三極管是以(yi)硅資料(liao)三極管為例,發(fa)射結的(de)反向擊(ji)穿電(dian)壓較小,一般(ban)為7V~9V左右(you),集(ji)電(dian)結的(de)反向擊(ji)穿電(dian)壓較大,30V~50V左右(you),所以(yi)運(yun)(yun)用(yong)三極管當二極管運(yun)(yun)用(yong),最好(hao)運(yun)(yun)用(yong)集(ji)電(dian)結,耐(nai)壓更(geng)高。...
了解更多 [10-30]合金電(dian)阻(zu)在通(tong)路中也(ye)相同(tong),阻(zu)值越小,就等同(tong)于(yu)水管開得越大,流(liu)過(guo)去的(de)(de)電(dian)流(liu)就越大。電(dian)阻(zu)是(shi)限流(liu)器(qi)材(cai),對電(dian)壓(ya)影(ying)響不大,除非下端器(qi)材(cai)功耗(hao)(hao)大于(yu)電(dian)阻(zu)的(de)(de)限流(liu)值,不外這(zhe)個也(ye)是(shi)一(yi)種用法,小功率可所以零(ling)點(dian)幾(ji)瓦的(de)(de),功率大了會(hui)由(you)于(yu)電(dian)阻(zu)的(de)(de)熱損耗(hao)(hao)而耗(hao)(hao)費過(guo)多(duo)的(de)(de)動力,...
了解更多 [10-29]avx鉭電(dian)容(rong)即便在大的正(zheng)向(xiang)電(dian)流作用(yong)下,其(qi)正(zheng)向(xiang)壓(ya)降也很低,僅有0.4V左(zuo)(zuo)右(you),而且,avx貼片鉭電(dian)容(rong)是(shi)跟著結(jie)溫(wen)的增加,其(qi)正(zheng)向(xiang)壓(ya)降更低,因(yin)此,使(shi)得avx鉭電(dian)容(rong)特別合用(yong)于5V左(zuo)(zuo)右(you)的低電(dian)壓(ya)輸出(chu)電(dian)路中(zhong)。...
了解更多 [10-28]安(an)森美半(ban)導體擁有合適的(de)能力和(he)系(xi)統專(zhuan)知,這是通過我們作為廣泛(fan)汽車(che)應(ying)用的(de)卓越供應(ying)商(shang)長期積累而成,包括(kuo)電源管理、傳感和(he)聯接,ON音頻(pin)可以(yi)應(ying)對當(dang)今在系(xi)統層面(mian)的(de)復(fu)雜挑戰。...
了解更多 [10-27]ON電(dian)(dian)(dian)源(yuan)(yuan)管理一(yi)般會采用降(jiang)壓(ya)(ya)型開(kai)關電(dian)(dian)(dian)源(yuan)(yuan)。一(yi)起,很多電(dian)(dian)(dian)子體(ti)系(xi)還需求(qiu)高于供電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)(ya)的電(dian)(dian)(dian)源(yuan)(yuan),比如在電(dian)(dian)(dian)池供電(dian)(dian)(dian)設(she)備中(zhong),驅動液晶(jing)顯(xian)示的背光(guang)電(dian)(dian)(dian)源(yuan)(yuan),一(yi)般的白光(guang)LED驅動等,ON放大器都需求(qiu)對體(ti)系(xi)電(dian)(dian)(dian)源(yuan)(yuan)進行(xing)升(sheng)壓(ya)(ya),這就(jiu)需求(qiu)用到升(sheng)壓(ya)(ya)型開(kai)關電(dian)(dian)(dian)源(yuan)(yuan)。...
了解更多 [10-26]ST數(shu)(shu)據(ju)轉(zhuan)換(huan)器(qi)的傳(chuan)輸(shu)時(shi)單(dan)位(wei)時(shi)間傳(chuan)送(song)的數(shu)(shu)據(ju),我(wo)們稱(cheng)之為碼流。我(wo)們可以(yi)把轉(zhuan)換(huan)器(qi)想象流水線,在(zai)同(tong)一(yi)個(ge)轉(zhuan)換(huan)器(qi)與數(shu)(shu)據(ju)分(fen)析(xi)中我(wo)們都有一(yi)個(ge)關鍵,那就是流水的負荷(he),在(zai)ST微控器(qi)可以(yi)根(gen)據(ju)同(tong)理,假如轉(zhuan)換(huan)器(qi)下的攝像(xiang)頭轉(zhuan)發(fa)的數(shu)(shu)據(ju)量值,可以(yi)說是超(chao)出(chu)某個(ge)端口的轉(zhuan)發(fa)能(neng)力,也(ye)同(tong)樣會造成這個(ge)端口丟棄(qi)大量的數(shu)(shu)據(ju),...
了解更多 [10-23]貼片鉭電(dian)(dian)容(rong)的(de)電(dian)(dian)源部(bu)分; 對于電(dian)(dian)容(rong)器的(de)關聯運用來說(shuo)是(shi)要比電(dian)(dian)路(lu)要好的(de)多,在這(zhe)里(li)除(chu)了(le)要輸入信號以外(wai)。對于該進行(xing)鉭電(dian)(dian)容(rong)外(wai)觀的(de)好處(chu)來說(shuo)是(shi)相比較好的(de),通(tong)過這(zhe)里(li)來說(shuo),往往一起還兼有(you)按照(zhao)必(bi)定頻率(lv)和功(gong)率(lv)進行(xing)放電(dian)(dian)的(de)要求(qiu). 因為是(shi)電(dian)(dian)源電(dian)(dian)路(lu),因而,此(ci)類電(dian)(dian)路(lu)的(de)回路(lu)阻抗十分低(di),以保證(zheng)電(dian)(dian)源的(de)輸出功(gong)率(lv)密(mi)度足夠....
了解更多 [10-22]貼片電阻(zu)是一(yi)種阻(zu)值差錯低、熱穩(wen)定性好、并且精細(xi)電阻(zu)器的分布參數多(duo)項目標均到達一(yi)定規范的電阻(zu)器,精細(xi)電阻(zu)對(dui)制造工藝的要求較高。...
了解更多 [10-21]長電mos管的(de)選(xuan)用(yong)(yong)與技能(neng)的(de)各種分(fen)立膠器(qi)材的(de)產品組合(he)與管理,對(dui)于LED驅動(dong)器(qi)的(de)選(xuan)用(yong)(yong)辦(ban)法來說(shuo),對(dui)于咱(zan)們這種堅固(gu)耐用(yong)(yong)的(de)節約空間來說(shuo)它的(de)封裝作(zuo)用(yong)(yong)也是及好的(de),當然,器(qi)材也會選(xuan)用(yong)(yong)引腳SMD封裝,客(ke)戶能(neng)夠依據自己(ji)的(de)需求進行挑選(xuan)。...
了解更多 [10-20]1 、當(dang)需(xu)求直(zhi)流作業時,盡量(liang)選(xuan)(xuan)用半波整(zheng)流。不(bu)建議選(xuan)(xuan)用橋式整(zheng)流。而且要(yao)知足穩定(ding)負(fu)(fu)載的條(tiao)件(jian)。 2 、同(tong)樣,鉭電(dian)(dian)容(rong)的降壓是不(bu)適合容(rong)性(xing)的性(xing)感負(fu)(fu)載的。 3 、鉭電(dian)(dian)容(rong)降壓不(bu)適合動態負(fu)(fu)載條(tiao)件(jian)。 4 、鉭電(dian)(dian)容(rong)降壓不(bu)能用于(yu)大功率條(tiao)件(jian),因為不(bu)安全。 5 、限流鉭電(dian)(dian)容(rong)必需(xu)選(xuan)(xuan)用無極性(xing)鉭電(dian)(dian)容(rong),絕對......
了解更多 [10-19]鉭電(dian)(dian)容電(dian)(dian)阻(zu)(zu)(zu)的(de)作用與最大(da)限流(liu),它的(de)阻(zu)(zu)(zu)值大(da)小(xiao)是不一(yi)(yi)樣的(de)。圓柱形線繞(rao)電(dian)(dian)阻(zu)(zu)(zu)燒(shao)(shao)壞(huai)(huai)時有(you)的(de)會(hui)(hui)發(fa)黑(hei)或表(biao)面爆皮(pi)、裂(lie)紋,有(you)的(de)沒(mei)(mei)有(you)痕(hen)跡。水泥電(dian)(dian)阻(zu)(zu)(zu)是線繞(rao)電(dian)(dian)阻(zu)(zu)(zu)的(de)一(yi)(yi)種,燒(shao)(shao)壞(huai)(huai)時會(hui)(hui)斷裂(lie),不然也沒(mei)(mei)有(you)可見痕(hen)跡。穩妥電(dian)(dian)阻(zu)(zu)(zu)燒(shao)(shao)壞(huai)(huai)時有(you)的(de)表(biao)面會(hui)(hui)炸掉(diao)一(yi)(yi)塊皮(pi),有(you)的(de)也沒(mei)(mei)有(you)什么痕(hen)跡,但(dan)絕(jue)不會(hui)(hui)燒(shao)(shao)焦發(fa)黑(hei)。...
了解更多 [10-17]鉭電(dian)(dian)容(rong)在額外電(dian)(dian)壓運行時(shi),有一(yi)個(ge)167千伏(fu)/毫米電(dian)(dian)壓的電(dian)(dian)場。因此一(yi)定要保(bao)證(zheng)整(zheng)個(ge)電(dian)(dian)容(rong)器終真個(ge)電(dian)(dian)壓決不會超越劃定的浪涌電(dian)(dian)壓評(ping)級(ji)。...
了解更多 [10-16]