SYWV銅芯物理(li)發(fa)泡聚乙烯絕緣聚氯乙烯護套同(tong)軸電(dian)(dian)纜(lan)有(you)線(xian)(xian)(xian)電(dian)(dian)視(shi)(shi)系統(tong)電(dian)(dian)纜(lan),俗稱有(you)線(xian)(xian)(xian)電(dian)(dian)視(shi)(shi)線(xian)(xian)(xian),TV線(xian)(xian)(xian)，一(yi)般用于家用有(you)線(xian)(xian)(xian)電(dian)(dian)視(shi)(shi)的連接信號線(xian)(xian)(xian)，是同(tong)軸電(dian)(dian)纜(lan)的一(yi)種，適用于有(you)線(xian)(xian)(xian)電(dian)(dian)視(shi)(shi)工程，有(you)線(xian)(xian)(xian)電(dian)(dian)視(shi)(shi)系統(tong)和HFC光纖(xian)-同(tong)軸電(dian)(dian)纜(lan)網傳輸數據(ju)、語音和圖像信號。一(yi)般有(you)75歐姆(mu)和50歐姆(mu)兩個阻抗,還可以(yi)按照(zhao)粗(cu)細分為-5,-7,-9等型號.

SYWV銅芯物理發泡聚乙(yi)烯絕緣聚氯乙(yi)烯護套同(tong)軸(zhou)電(dian)(dian)(dian)(dian)(dian)纜(lan)有線電(dian)(dian)(dian)(dian)(dian)視(shi)系統電(dian)(dian)(dian)(dian)(dian)纜(lan),俗稱有線電(dian)(dian)(dian)(dian)(dian)視(shi)線,TV線，一(yi)般(ban)(ban)用(yong)于家用(yong)有線電(dian)(dian)(dian)(dian)(dian)視(shi)的(de)(de)連接信(xin)號線，是同(tong)軸(zhou)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)(de)一(yi)種，適用(yong)于有線電(dian)(dian)(dian)(dian)(dian)視(shi)工程，有線電(dian)(dian)(dian)(dian)(dian)視(shi)系統和HFC光纖-同(tong)軸(zhou)電(dian)(dian)(dian)(dian)(dian)纜(lan)網傳(chuan)輸數據、語音和圖像信(xin)號。一(yi)般(ban)(ban)有75歐(ou)姆和50歐(ou)姆兩個阻(zu)抗,還可(ke)以按照粗(cu)細分為-5,-7,-9等型(xing)號.

SYWV（Y）-75型聚乙烯物(wu)理高(gao)發(fa)泡電纜(lan)(lan)(lan)是(shi)(shi)一(yi)種具有(you)很低損(sun)耗的電纜(lan)(lan)(lan)，它(ta)是(shi)(shi)通過氣(qi)體(ti)注入使介(jie)(jie)質(zhi)(zhi)(zhi)發(fa)泡，選(xuan)擇適當的工藝參數使得形成很小(xiao)的互相(xiang)封閉(bi)的氣(qi)孔，這種介(jie)(jie)質(zhi)(zhi)(zhi)不(bu)易老化，不(bu)易受潮。電纜(lan)(lan)(lan)內(nei)導(dao)體(ti)有(you)純銅(tong)(tong)線、銅(tong)(tong)包鋼，外導(dao)體(ti)是(shi)(shi)鋁塑復合帶(dai)加鍍(du)錫(xi)銅(tong)(tong)線、裸銅(tong)(tong)線、鋁鎂(mei)合金線編織，介(jie)(jie)質(zhi)(zhi)(zhi)和內(nei)導(dao)體(ti)相(xiang)互牢(lao)固結合，當溫度變化或電纜(lan)(lan)(lan)受拉(la)壓時，介(jie)(jie)質(zhi)(zhi)(zhi)與(yu)導(dao)體(ti)之間不(bu)會發(fa)生相(xiang)對移動(dong)。SYWV（Y）-75型電纜(lan)(lan)(lan)的衰減比同(tong)尺寸的其它(ta)射頻(pin)(pin)電纜(lan)(lan)(lan)小(xiao)，它(ta)用于CATV閉(bi)路電視系統、傳(chuan)輸(shu)高(gao)頻(pin)(pin)和超高(gao)頻(pin)(pin)信號，亦可(ke)用于數據(ju)傳(chuan)輸(shu)網絡，進行數據(ju)傳(chuan)輸(shu)

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