ʻO ke kaula coaxial he uwea a me ka laina hoʻouna hōʻailona, maʻamau i hana ʻia e nā ʻāpana ʻehā o nā mea.
ʻO ka ʻaoʻao o loko he uea keleawe conductive, a ʻo waho o ka laina he ʻili i hoʻopuni ʻia, he insulator a me ka hoʻohana dielectric.
Insulator ma waho a me kahi ʻāpana lahilahi o ke kino conductive mesh, maʻamau he keleawe a i ʻole ka hao.
A laila ʻo ke kino conductive ma waho ka papa o waho o ka mea insulating e like me ka ʻili o waho.
Hiki ke hoʻohana ʻia nā kaula coaxial no ka lawe ʻana i nā hōʻailona analog a me nā kikohoʻe no nā ʻano noi like ʻole, ʻo ka mea nui loa ʻo ia ka hoʻouna ʻana i ke kelepona uila. Hoʻouna kelepona lōʻihi, nā pilina ma waena o nā ʻōnaehana kamepiula, a me nā pūnaewele puni honua.
Uea uwea coaxial ke ulu wikiwiki nei ma ke ʻano he ala e hoʻolaha ai i nā hōʻailona kīwī i nā tausani o nā home, ʻo ia ke kīwī uwea. Hiki ke hoʻouka ʻia kahi ʻōnaehana TV uwea me nā kakini a i ʻole nā haneli o nā kaha TV, a hiki i kona laulā hoʻouna ke hiki i ʻumi mau kilomita.
Hoʻokaʻawale ʻia nā kaula coaxial i nā ʻāpana ʻelua, ma muli o kā lākou kūlana hana:
ʻO ka pale o ka baseband uwea uwea coaxial ʻO ka maʻamau he ʻano mesh i hana ʻia me ke keleawe me kahi ʻano impedance o 50 ʻŌ.
Hoʻohana ʻia kēia uea no ka hoʻouna ʻana i nā hōʻailona kikohoʻe a loaʻa maʻamau i ke kaula mānoanoa RG-8 a me ke kaula lahilahi RG-58..
ʻO ka ʻokoʻa ʻokoʻa ma waena o nā uea koʻikoʻi a maikaʻi hoʻi ka ʻokoʻa i ke anawaena uwea.
ʻO ke kaula coaxial kūpono no nā pūnaewele kūloko nui aʻe, he lōʻihi ka lōʻihi maʻamau a me ka hilinaʻi kiʻekiʻe.
Eia naʻe, Pono e hoʻokomo ʻia nā ʻupena uwea koʻikoʻi me ka transceiver a me ka transceiver cable, paʻakikī hoʻi ke kau ʻana. No laila, kiʻekiʻe ke kumukūʻai holoʻokoʻa. He ʻokoʻa, ʻoi aku ka maʻalahi o ke kaula lahilahi a emi ke kumu kūʻai.
Eia naʻe, no ka mea, pono e ʻoki ʻia ke kaula i ka wā e hoʻokomo ai, hiki ke hoʻopili maikaʻi ʻia inā nui nā mea hoʻohui.
Hoʻopili ʻia ka ʻupena me nā kaula mānoanoa a lahilahi paha, pili pinepine ka helu o ka hemahema i nā mīkini a pau ma ke kaula holoʻokoʻa. A pilikia ka hewa i ka ʻike a hoʻoponopono ʻana.
No laila, Ua hoʻololi mālie ʻia nā kaula coaxial baseband e nā hui wili i pale ʻia a i ʻole nā kaula fiber optic..
Loaʻa i ke kaula coaxial Wideband kahi pale maʻamau i hoʻopaʻa ʻia mai ka alumini a loaʻa kahi ʻano impedance o 75 ʻŌ.
Hoʻohana mau ʻia kēia uwea e hoʻouna i nā hōʻailona analog, ʻike nui ʻia ʻo RG-59, a ʻo ia ke kelepona hoʻouna maʻamau i hoʻohana ʻia i nā ʻupena kīwī uwea, e ʻae ana e hoʻouna ʻia nā hōʻailona kīwī he nui i ka manawa hoʻokahi i hoʻokahi uwea.
Hiki ke hoʻohana ʻia ke kaula coaxial Broadband ma ke ʻano he mea hoʻouna no kekahi mau pūnaewele kamepiula.
ʻO nā uwea coaxial kekahi mea nui o nā pūnaewele kelepona lōʻihi.
Eia naʻe, i kēia mau lā e ulu wikiwiki nei, ke alo nei i ka hoʻokūkū hoʻokūkū mai ka fiber optical, microwave honua, a me ka ukali.
ʻO nā ʻokoʻa nui ma waena o nā ʻekolu penei:
No laila, pono e hoʻonui a uku ʻia ka hōʻailona wikiō i ka hui wili e hoʻokō ai i ka hoʻouna ʻana i ka lōʻihi, ʻO nā lako hoʻoili wikiō hui pū ʻia e hoʻopau i kēia hana.
2. ʻO ka ʻano o ka fiber optical ua like loa me ke kaula coaxial, me ke kikowaena he fiber optical i hana ʻia me ke aniani a i ʻole ka plastic transparent, hoʻopuni ʻia e kahi mea pale, a hiki ke hoʻohui ʻia nā fiber he nui i loko o ke kaula fiber optic hoʻokahi e like me ka mea e pono ai.
No laila, ʻoi aku ka mamao o ka hoʻouna ʻana i ka hōʻailona ma mua o ka hoʻouna ʻana i luna o nā hōʻailona uila o nā uea pūnaewele like ʻole a kūpono loa ia no ke kaiapuni electromagnetic ma nā wahi paʻakikī..
Hōʻike ʻia ia e ka mana anti-interference maikaʻi, ka hoʻoili paʻa o ka ʻikepili, a me ke kumukuai haahaa, a ua hoohana nui ia, e like me nā laina TV kaapuni pani.
Hoʻohana ʻia ke kaula coaxial e hoʻopili me ke poʻo BNC. ʻO ke kaula coaxial i hāʻawi ʻia e ka mea hoʻolako kelepona ZMS ʻO ka maʻamau he huahana pau i hoʻopili ʻia i ke poʻo BNC, no laila hiki iā ʻoe ke koho pololei.
ʻO ka ʻōlelo maʻamau, ʻoi aku ka kiʻekiʻe o ke alapine o ka hōʻailona, ʻoi aku ka nui o ka attenuation.
ʻO ka mea i luna nei he hoʻolauna i ke kaula coaxial, ʻo ke kaula i hoʻohana pinepine ʻia i ke ola, inā he kānalua kāu e pili ana i ke kūʻai, loaʻa iā mākou kahi ʻelele kūʻai kelepona ʻoihana me ka lawelawe hoʻokahi e kōkua iā ʻoe.
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