色婷婷五月综合激情中文字幕_天堂网在线最新版www中文网_亚洲欧美日韩在线资源观看_久久人妻内射无码一区二区三区

射(she)頻(pin)同軸電纜SYV75-5廠家 特(te)性阻(zu)抗50Ω射(she)頻(pin)同軸電纜主要用(yong)于基帶(dai)(dai)信(xin)號傳(chuan)輸(shu)，傳(chuan)輸(shu)帶(dai)(dai)寬為1～2OMHz，一般特(te)性阻(zu)抗50Ω細同軸電纜的(de)zui大傳(chuan)輸(shu)距離為180米(mi)，粗(cu)同軸電纜可達1000米(mi)。

SYV 75-5-2射頻同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)國(guo)標包(bao)檢測 同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)從用途可(ke)分(fen)為基(ji)帶同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)和(he)寬帶同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)（即(ji)網(wang)絡同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)和(he)視(shi)頻同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)）。同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)分(fen)50Ω基(ji)帶電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)和(he)75Ω寬帶電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)兩(liang)類。基(ji)帶電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)又分(fen)細同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)和(he)粗(cu)同(tong)(tong)(tong)(tong)軸(zhou)電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)。基(ji)帶電(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)僅(jin)僅(jin)用于(yu)數字傳(chuan)輸，數據(ju)率(lv)可(ke)達(da)10Mbps。

SYV-75-5同(tong)軸(zhou)射頻(pin)電纜 本產品適(shi)用(yong)(yong)于礦山(shan)、井下視(shi)頻(pin)監控系統中(zhong)信號傳(chuan)輸連接饋線(xian)。該系列煤(mei)礦用(yong)(yong)阻(zu)燃射頻(pin)同(tong)軸(zhou)電纜必須單(dan)獨(du)敷設適(shi)用(yong)(yong)。本產品具有阻(zu)燃性和屏蔽性。

同(tong)(tong)軸(zhou)射(she)(she)(she)頻(pin)(pin)(pin)(pin)電(dian)(dian)(dian)纜(lan)（視(shi)頻(pin)(pin)(pin)(pin)線）SYV-50。-15 射(she)(she)(she)頻(pin)(pin)(pin)(pin)電(dian)(dian)(dian)纜(lan)也(ye)叫同(tong)(tong)軸(zhou)電(dian)(dian)(dian)纜(lan)，是由(you)互相同(tong)(tong)軸(zhou)的(de)內導(dao)體、外導(dao)體以(yi)及支撐(cheng)內外導(dao)體的(de)介質組成的(de)。在無(wu)線電(dian)(dian)(dian)通訊、廣播電(dian)(dian)(dian)視(shi)的(de)射(she)(she)(she)頻(pin)(pin)(pin)(pin)傳輸中，射(she)(she)(she)頻(pin)(pin)(pin)(pin)電(dian)(dian)(dian)纜(lan)是重要的(de)量(liang)備。如(ru)果選(xuan)用不當，不僅會(hui)造成浪(lang)費，增加投資成本，也(ye)會(hui)使系統工(gong)作(zuo)時不穩定，引發故(gu)障，造成設(she)備損壞。為了正確(que)地(di)選(xuan)用射(she)(she)(she)頻(pin)(pin)(pin)(pin)電(dian)(dian)(dian)纜(lan)，就需要學(xue)習了解一些有關電(dian)(dian)(dian)纜(lan)的(de)特性(xing)參數和類型。

視頻線(xian)同軸(zhou)射頻電(dian)(dian)(dian)纜(lan)(lan)SYV-75-17 電(dian)(dian)(dian)纜(lan)(lan)外表面(mian)有識別標(biao)記(ji)，標(biao)記(ji)間(jian)隔(ge)不(bu)大(da)于1m，標(biao)記(ji)內容(rong)有：導線(xian)直徑，線(xian)對(dui)數量(liang)，電(dian)(dian)(dian)纜(lan)(lan)型號，制造廠廠名代號及制造年(nian)份，長度標(biao)記(ji)以(yi)間(jian)隔(ge)不(bu)大(da)于1m標(biao)記(ji)在外表面(mian)上，但與上述標(biao)記(ji)錯開。礦用通信電(dian)(dian)(dian)纜(lan)(lan)采(cai)用全色譜(pu)絕緣，鋁塑(su)綜合護(hu)套（即電(dian)(dian)(dian)纜(lan)(lan)的縱包屏蔽鋁帶與護(hu)套粘結成一體，形成密封護(hu)層），具(ju)有電(dian)(dian)(dian)氣性能優越，施工方便的特點。