Kwizicelo ezikhawulezayo, ukukhethwa kwezinto zentambo kunye neentambo kudlala indima ebalulekileyo ekuqinisekiseni ukusebenza kakuhle kunye nokuthembeka. Imfuno yamazinga okudlulisa idatha ngokukhawuleza kunye nokwanda kwe-bandwidth kufuna ukuqwalaselwa ngononophelo kwezinto ezahlukeneyo xa kukhethwa izinto ezifanelekileyo. Eli nqaku ligxininisa iinkalo ezibalulekileyo ekufuneka ziqwalaselwe xa kukhethwa izinto zentambo kunye neentambo ezikhawulezayo, libonelela ngengqiqo malunga nendlela izixhobo ezifanelekileyo ezinokuphucula ngayo ukuthembeka kwesignali, ukunciphisa ukulahleka kwesignali, kunye nokuqinisekisa ukudluliselwa kwedatha ngokufanelekileyo.
Ukunyaniseka kweSignali kunye nokuNcitshiswa
Ukugcina ukuthembeka kwesignali kubalulekile kwizicelo zesantya esiphezulu. Izixhobo zentambo kunye neentambo ezikhethiweyo kufuneka zibonise ukuncitshiswa kwesignali okuphantsi, kunciphisa ukulahleka kwamandla esignali ngexesha lokudluliselwa. Izixhobo ezine-dielectric constant ephantsi kunye ne-tangent yokulahleka, njenge-polyethylene ephezulu (HDPE) okanye i-polytetrafluoroethylene (PTFE), zinceda ukugcina umgangatho wesignali, ukunciphisa ukuphazamiseka, kunye nokuqinisekisa ukuhanjiswa kwedatha ngokuchanekileyo kumgama omde.
Ulawulo lwe-Impedance
Ulawulo oluchanekileyo lwe-impedance lubalulekile kwiinkqubo zonxibelelwano ezikhawulezayo. Izinto zentambo kunye nekhebula kufuneka zibe neempawu zombane ezifanayo ukugcina i-impedance efanayo. Oku kuqinisekisa ukusasazeka kwesignali ngokufanelekileyo, kunciphisa ukubonakaliswa kwesignali, kwaye kunciphisa umngcipheko weempazamo zedatha okanye ukonakala kwesignali. Ukukhetha izixhobo ezinokunyamezelana okuqinileyo kunye neempawu zombane ezizinzileyo, ezifana ne-polyolefin ene-foam okanye i-ethylene propylene ene-fluorinated (FEP), kunceda ekufezekiseni ulawulo oluchanekileyo lwe-impedance.
Ukunciphisa i-Crosstalk kunye ne-EMI
Intambo kunye nentambo ezikhawulezayo zichaphazeleka lula kukuthetha nge-crosstalk kunye nokuphazamiseka kwe-electromagnetic (EMI). Ukukhetha izinto ezifanelekileyo kunokunceda ekunciphiseni ezi ngxaki. Izinto zokukhusela, ezifana ne-aluminium foil okanye izikhuselo zobhedu ezilukiweyo, zibonelela ngokhuseleko olusebenzayo kwi-EMI yangaphandle. Ukongeza, izinto ezine-crosstalk ephantsi, ezifana nokulungiswa kwesibini esijijekileyo okanye izinto ezine-geometries yokufakelwa ephuculiweyo, zinceda ukunciphisa ukudibana kwesignali okungafunekiyo kunye nokuphucula ukuthembeka kwesignali iyonke.
Izinto eziqwalaselwayo kwiNdalo
Iimeko zokusebenza kunye neemeko zokusingqongileyo kufuneka ziqwalaselwe xa kukhethwa izixhobo zentambo kunye neentambo ezikhawulezayo. Ukutshintsha kobushushu, ukufuma, iikhemikhali, kunye nokuvezwa yi-UV kunokuchaphazela ukusebenza kwezinto kunye nobude bexesha. Izixhobo ezinozinzo oluhle kakhulu lobushushu, ukuxhathisa ukufuma, ukuxhathisa iikhemikhali, kunye nokuxhathisa i-UV, ezifana ne-cross-linked polyethylene (XLPE) okanye i-polyvinyl chloride (PVC), zihlala zikhethwa ukuqinisekisa ukusebenza okuthembekileyo phantsi kweemeko ezahlukeneyo zokusingqongileyo.
Ukukhetha izixhobo ezifanelekileyo zentambo kunye neentambo ezikhawulezayo kubalulekile ekufezekiseni ukusebenza kakuhle, ukuthembeka kwesignali, kunye nokuthembeka. Izinto eziqwalaselwayo ezifana nokuncitshiswa kwesignali, ulawulo lwe-impedance, i-crosstalk kunye ne-EMI reduction, kunye nezinto ezingqongileyo zibalulekile xa kusenziwa ukhetho lwezinto eziphathekayo. Ngokuvavanya ngononophelo ezi nkalo kunye nokukhetha izixhobo ezineempawu ezifanelekileyo zombane, zoomatshini, kunye nezokusingqongileyo, abavelisi banokuhlangabezana neemfuno zezicelo ezikhawulezayo kwaye baqinisekise ukudluliselwa kwedatha okusebenzayo nokuthembekileyo.
Ixesha lokuthumela: Meyi-25-2023