低通(tong)濾(lv)波(bo)(bo)器(qi)和高通(tong)濾(lv)波(bo)(bo)器(qi)是兩種基本的(de)濾(lv)波(bo)(bo)器(qi)類(lei)型,它們的(de)區別在于(yu)它們對信(xin)號頻(pin)率的(de)響應不同。
+查看詳情薄(bo)膜穿心電(dian)(dian)容(rong)(rong)是一種電(dian)(dian)容(rong)(rong)器,其工作原理是利用(yong)兩(liang)個(ge)金屬電(dian)(dian)極之間的絕緣薄(bo)膜作為電(dian)(dian)容(rong)(rong)介(jie)質(zhi),當電(dian)(dian)容(rong)(rong)器兩(liang)端(duan)施加電(dian)(dian)壓(ya)時,電(dian)(dian)場會在絕緣薄(bo)膜中形成,導(dao)致電(dian)(dian)荷(he)在兩(liang)個(ge)電(dian)(dian)極之間積累。
+查看詳情濾波器是一種(zhong)用于將(jiang)特(te)定頻率范圍的信(xin)號從信(xin)號混合物中分離出(chu)來(lai)的電子設備,以(yi)下是濾波器的使用方法介紹:
+查看詳情螺(luo)紋穿心電容是(shi)(shi)一(yi)種電子元器件,用于存儲電荷和調節(jie)電流,根據其結構的(de)不同,有不同的(de)使用范圍,以(yi)下是(shi)(shi)一(yi)些(xie)常(chang)見的(de)螺(luo)紋穿心電容的(de)使用范圍介紹
+查看詳情電(dian)(dian)解電(dian)(dian)容在調(diao)(diao)諧(xie)、旁路(lu)、耦(ou)合(he)、濾(lv)波等電(dian)(dian)源(yuan)電(dian)(dian)路(lu)中起著關(guan)鍵的(de)成效。晶體管(guan)錄音機的(de)調(diao)(diao)諧(xie)電(dian)(dian)源(yuan)電(dian)(dian)路(lu)要(yao)采用它,彩色電(dian)(dian)視(shi)的(de)耦(ou)合(he)電(dian)(dian)路(lu)、旁路(lu)電(dian)(dian)路(lu)等還
+查看詳情電(dian)(dian)容(rong)(rong)器是(shi)(shi)有頻段(duan)(duan)的,很多人以為電(dian)(dian)容(rong)(rong)是(shi)(shi)越(yue)大(da)(da)越(yue)好,其實(shi)不然,每個電(dian)(dian)容(rong)(rong)有一定的濾波頻段(duan)(duan),大(da)(da)電(dian)(dian)容(rong)(rong)濾低頻,小電(dian)(dian)容(rong)(rong)濾高(gao)頻,主要是(shi)(shi)依(yi)據電(dian)(dian)容(rong)(rong)的諧振頻點來決
+查看詳情1.由于穿(chuan)心電容(rong)器的(de)容(rong)量(liang)較(jiao)普(pu)通(tong)固(gu)定電容(rong)大得(de)多,所以,丈量(liang)時,應針對不同容(rong)量(liang)選用(yong)適宜的(de)量(liang)程。依據經歷,普(pu)通(tong)狀(zhuang)況下,1~47μF間的(de)電容(rong)
+查看詳情穿(chuan)心電(dian)容它是直接安裝在金屬面(mian)板(ban)上,這樣一來接地電(dian)感更小,對于引線(xian)電(dian)感的影(ying)響幾乎(hu)可以(yi)忽略不計,因此,穿(chuan)心電(dian)容有很好(hao)的濾(lv)波(bo)作用,對于電(dian)磁(ci)干(gan)擾抑(yi)制
+查看詳情安裝(zhuang)濾(lv)波(bo)器的干凈(jing)地要與金(jin)(jin)屬(shu)機(ji)(ji)箱靠譜地搭接(jie)起來,如果機(ji)(ji)箱不是金(jin)(jin)屬(shu)的,就在線路板(ban)下(xia)方(fang)設(she)置一塊較大的金(jin)(jin)屬(shu)板(ban)來作(zuo)為濾(lv)波(bo)地,干凈(jing)地與金(jin)(jin)屬(shu)機(ji)(ji)箱之間的搭接(jie)
+查看詳情電子電路設計中,常用的(de)濾(lv)波器(qi)(qi)分為高通濾(lv)波器(qi)(qi)、低通濾(lv)波器(qi)(qi)、帶阻濾(lv)波器(qi)(qi)、帶通濾(lv)波器(qi)(qi),而這四種濾(lv)波器(qi)(qi)又統稱為有源濾(lv)波器(qi)(qi)。
+查看詳情接(jie)地(di)、屏蔽和濾(lv)波(bo)是抑止電(dian)磁干擾的三大措施,下面主要(yao)引見在電(dian)源中運用(yong)的EMI濾(lv)波(bo)器及其(qi)根本原理和正確應用(yong)辦法。
+查看詳情穿(chuan)心電容是一種低通EMI(抗電磁干(gan)擾(rao))無源器件,可有效抑止(zhi)傳(chuan)輸信(xin)號線、電源線中(zhong)的傳(chuan)導干(gan)擾(rao)信(xin)號和輻射干(gan)擾(rao)信(xin)號。
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