Ngā Pūrongo - Helical Duplexer mō ngā Whakawhitiwhitinga VHF/UHF

He mahi nui tonu tā ngā roopu auau VHF/UHF i roto i ngā whakawhitiwhiti kōrero ā-iwi me ngā whakawhitiwhiti kōrero ā-umanga.takirua porowhitaHe tino tika te mahi tātari, he pakari te mau, ā, he iti hoki te utu, ā, he mea pai tēnei mō ngā pūnaha reo irirangi, ngā pūorooro me ngā taputapu pūkoro.

Ko te painga matua o tēneipūrua pūkoro porowhitakei roto i tōna hoahoa hanganga porowhita, me te roa-katoa¼ λhangarau orooro. Mā tēnei hoahoa ka taea te whakahāngai i roto i te Ngā awhe auau 150MHz me te 380-450MHz, me te whakatutuki i te neke atu i te 85 dB o te wehenga—e tātari pai ana i te raruraru hikohiko me te whakaiti i te ngaronga whakaurunga ki te taumata teitei. I roto i te hanganga, ko tetakirua porowhitaHe whare konumohe kiato kua whakaputahia, he anga maitai kua whakakorengia me ngā wāhanga kua whakamahanahia ki te Teflon. Kua pania tōna taha waho ki te winiru pango ātete-waikura, kia mau ai te mahi ahakoa i roto i ngā taiao o waho me ngā taiao ahumahi kino.

⭐Ngā Horopaki Taupānga Matua e Toru

1. Ngā Pūwhakahoki Mana-ItiKa pupuri i te ōwehenga ngaru tū iti (VSWR) pumau i te wā e mahi ana i te kawenga katoa mō te wā roa, ka whakaiti nui i te ngaronga pūngao. He tino pai mō te whakatinanatanga kore tiaki i ngā maunga, i raro i te whenua, me ētahi atu wāhi, ā, ka āwhina i te whakawhānui ake i te kapinga whakawhitiwhiti kōrero.

2. Ngā reo irirangi ahokore mamati me te reo irirangi anarau: Ka hipoki i ngā roopu auau VHF 150 MHz me te UHF 380–450 MHz, ka taea te whakauru pai ki ngā taputapu matua me te kore e hiahiatia he whakatikatika auau tāpiri. Ka whakakorea katoatia te whakawhitiwhiti kōrero i roto i ngā taiao hikohiko uaua, ka whakatutuki i ngā hiahia whakawhitiwhiti kōrero ngaio me te whakamahinga reo irirangi amateur.

3. Waea Pūkoro Katoa Ngā Pūrere TāruaruaHe hanganga kiato, he ātete ki te wiri, he ngāwari hoki ki te urutau ki te pāmahana, ā, ka taea te tuku tohu maeneene me te tukutahi. He wāhanga tino pai mō ngā āhuatanga pēnei i te whakaora ohorere me ngā mahi mara.

Ki te whakatauritea ki te matotoru o te taputapu takirua tuku iho, ka tutuki i tēnei hua he taurite tino pai i waenga i te mahi me te whaihua, me ngā painga nui o te whai hua o te pūngao me te whai hua o te utu. He pai mō te whakatinanatanga nui i roto i ngā kaupapa iti me te whakapai ake i ngā taputapu ngaio, e whakarato ana i te tautoko kaha mō ngā whakawhitiwhiti kōrero VHF/UHF o te whakatupuranga e whai ake nei..

Whakapā mai ki a mātou mō tētahi utu! He whānuitia te whakamahinga o tēnei hua i roto i te haumaru tūmatanui, te whakahaere waka me te kawe waka, te aunoatanga ahumahi, me te reo irirangi amateur, ā, e tino whakawhirinakihia ana tēnei hua e te mākete.