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在(zai)查看鉭電(dian)(dian)容(rong)時,你需要(yao)注意的(de)是(shi)振頻率。如果你操縱的(de)開(kai)關(guan)頻率高于(yu)1MHz,則(ze)或許會超出鉭電(dian)(dian)容(rong)的(de)上限。村田(tian)電(dian)(dian)感的(de)頻率在(zai)等效串聯電(dian)(dian)阻(zu)指標上,MLCC的(de)等級(ji)通常低于(yu)平等的(de)鉭對(dui)標物料。...
了解更多 [06-03]我們常用的電子元器(qi)(qi)件的主要有:晶體管、集成電路(lu)、電阻器(qi)(qi)、電容器(qi)(qi)、電感器(qi)(qi),這些電子元器(qi)(qi)件按照不(bu)同類別分類種類繁多,下面(mian)簡單一(yi)(yi)一(yi)(yi)列舉(ju)。...
了解更多 [06-01]電(dian)子元器件發(fa)(fa)展(zhan)(zhan)(zhan)史(shi)其實就是一(yi)(yi)部濃縮(suo)的(de)(de)電(dian)子發(fa)(fa)展(zhan)(zhan)(zhan)史(shi)。電(dian)子技術(shu)是十(shi)九世(shi)紀末、二十(shi)世(shi)紀初開始發(fa)(fa)展(zhan)(zhan)(zhan)起來(lai)的(de)(de)新興技術(shu),二十(shi)世(shi)紀發(fa)(fa)展(zhan)(zhan)(zhan)最迅速(su),應用最廣(guang)泛,成為(wei)近代(dai)科學技術(shu)發(fa)(fa)展(zhan)(zhan)(zhan)的(de)(de)一(yi)(yi)個重(zhong)要標(biao)志。第(di)一(yi)(yi)代(dai)電(dian)子產品(pin)以電(dian)子管為(wei)核心。......
了解更多 [05-20]國(guo)內手機(ji)市(shi)場率(lv)先回暖,EMS企業業績持(chi)續回暖:4月(yue)國(guo)內智能手機(ji)出(chu)貨(huo)量4078.2萬(wan)部,同(tong)比(bi)(bi)增長(chang)17.2%,環(huan)比(bi)(bi)提高93.9%,4月(yue)出(chu)貨(huo)量創2018年以來(lai)單月(yue)新高,國(guo)內手機(ji)市(shi)場復蘇(su)明顯。另外(wai),4月(yue)5G手機(ji)出(chu)貨(huo)量1638.2萬(wan)部,環(huan)比(bi)(bi)增長(chang)......
了解更多 [05-20]一、三(san)極管三(san)極管是(shi)一種(zhong)電(dian)(dian)流(liu)(liu)控制體器件,它的主(zhu)要作用是(shi)把(ba)微弱信號放大(da),輸入阻抗(kang)低,例(li)如(ru)在(zai)基(ji)極b給一個很小(xiao)的電(dian)(dian)流(liu)(liu)Ib,在(zai)集電(dian)(dian)極c上(shang)得到一個比較大(da)的電(dian)(dian)流(liu)(liu)Ic。它是(shi)電(dian)(dian)流(liu)(liu)放大(da)器件,但是(shi)在(zai)實(shi)際時候通常通過(guo)一個電(dian)(dian)阻將(jiang)三(san)極......
了解更多 [05-20]電(dian)(dian)聲器件(jian)是(shi)指能(neng)將音(yin)(yin)頻電(dian)(dian)信(xin)(xin)號轉換成聲音(yin)(yin)信(xin)(xin)號或(huo)將聲音(yin)(yin)信(xin)(xin)號轉換成音(yin)(yin)頻信(xin)(xin)號的(de)器件(jian)。例如(ru),揚聲器就是(shi)將音(yin)(yin)頻信(xin)(xin)號轉變成聲音(yin)(yin)信(xin)(xin)號的(de)電(dian)(dian)聲器件(jian);傳聲器則是(shi)把聲音(yin)(yin)信(xin)(xin)號轉變成音(yin)(yin)頻信(xin)(xin)號的(de)電(dian)(dian)聲器件(jian)。電(dian)(dian)唱機(ji)的(de)電(dian)(dian)唱頭,耳機(ji),蜂(feng)鳴器......
了解更多 [05-20]mos管(guan)是(shi)金屬(metal)—氧化物(oxide)—半導體(ti)(semiconductor)場效(xiao)應晶體(ti)管(guan),或者稱是(shi)金屬—絕緣體(ti)(insulator)—半導體(ti)。MOS管(guan)的(de)source和drain是(shi)可以對調的(de),他們都是(shi)在(zai)P型(xing)backgate中形成的(de)N型(xing)區。在(zai)多數(shu)情(qing)況(kuang)......
了解更多 [05-20]與(yu)其他(ta)電(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)容器-樣,貼片鉭電(dian)(dian)(dian)(dian)容由陽極(ji)(ji)-一些電(dian)(dian)(dian)(dian)解質和陰(yin)極(ji)(ji)組成(cheng),陽極(ji)(ji)與(yu)陰(yin)極(ji)(ji)隔(ge)離(li),因此只有(you)非常小的泄漏DC電(dian)(dian)(dian)(dian)流可以流過電(dian)(dian)(dian)(dian)容器。陽極(ji)(ji)由純鉭金(jin)屬(shu)制成(cheng)。將金(jin)屬(shu)研(yan)磨成(cheng)細粉,并在高(gao)溫下燒結成(cheng)顆粒。這形成(cheng)了具有(you)高(gao)表面積的......
了解更多 [05-20]功(gong)率(lv)稍大些的單(dan)相(xiang)電機(ji),一般(ban)都(dou)配備二個電容(rong)器(qi)(qi)即啟動電器(qi)(qi)和運轉電容(rong)器(qi)(qi)。在70年之(zhi)前的單(dan)相(xiang)電機(ji)多為(wei)一個電容(rong)器(qi)(qi)就(jiu)是啟動電容(rong)器(qi)(qi)。電機(ji)啟動后由(you)離心開關把電容(rong)器(qi)(qi)甩二開,此時只有主(zhu)繞組工(gong)作。次繞組是閑著不用的。 為(wei)了......
了解更多 [05-20]電(dian)(dian)(dian)(dian)(dian)感(gan)器(qi)(Inductor)是能(neng)(neng)夠把電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)轉化為磁能(neng)(neng)而(er)存儲起來(lai)的(de)(de)元件。電(dian)(dian)(dian)(dian)(dian)感(gan)器(qi)的(de)(de)結(jie)構類(lei)似(si)于變壓器(qi),但(dan)只有一(yi)個(ge)繞組。電(dian)(dian)(dian)(dian)(dian)感(gan)器(qi)具有一(yi)定(ding)的(de)(de)電(dian)(dian)(dian)(dian)(dian)感(gan),它只阻礙(ai)電(dian)(dian)(dian)(dian)(dian)流的(de)(de)變化。如果(guo)電(dian)(dian)(dian)(dian)(dian)感(gan)器(qi)在沒有電(dian)(dian)(dian)(dian)(dian)流通(tong)過的(de)(de)狀態下,電(dian)(dian)(dian)(dian)(dian)路接通(tong)時(shi)它將試圖(tu)阻礙(ai)電(dian)(dian)(dian)(dian)(dian)......
了解更多 [05-20]