光(guang)(guang)纖直放(fang)站(zhan)(zhan),是一種信(xin)(xin)號(hao)中繼(ji)設備(bei)。其主要作用(yong)是將收(shou)到的信(xin)(xin)號(hao),經光(guang)(guang)電(dian)變換(huan)成(cheng)光(guang)(guang)信(xin)(xin)號(hao),傳輸后又經電(dian)光(guang)(guang)變換(huan)回復電(dian)信(xin)(xin)號(hao)在(zai)發出。光(guang)(guang)纖直放(fang)站(zhan)(zhan)具有低IP3(小于-36dBm)、低噪聲系數(NF)、整機(ji)可靠等(deng)特(te)點(dian),使用(yong)直放(fang)站(zhan)(zhan)可實現“小容量(liang)(liang)、大覆蓋(gai)”的目標,減少基站(zhan)(zhan)數量(liang)(liang),延伸覆蓋(gai)范圍。
光(guang)纖(xian)直放站(zhan),是(shi)(shi)一種(zhong)信(xin)號中繼(ji)設備。其主(zhu)要作用(yong)是(shi)(shi)將收(shou)到(dao)的信(xin)號,經(jing)光(guang)電(dian)(dian)變(bian)換成光(guang)信(xin)號,傳輸后又經(jing)電(dian)(dian)光(guang)變(bian)換回復電(dian)(dian)信(xin)號在發出(chu)。
光(guang)纖直放站具有低IP3(小(xiao)于-36dBm)、低噪聲系(xi)數(shu)(shu)(NF)、整機可(ke)靠等特點,使用(yong)直放站可(ke)實現(xian)“小(xiao)容量、大覆蓋(gai)”的目標,減少基(ji)站數(shu)(shu)量,延伸覆蓋(gai)范圍。