Amai raba wutar lantarkiyana raba sigina mai shigowa zuwa sigina na fitarwa biyu (ko fiye). A cikin yanayin da ya dace, ana iya la'akari da mai rarraba wutar lantarki asara-ƙasa, amma a aikace koyaushe akwai wasu ɓarnawar wutar lantarki. Domin hanyar sadarwa ce mai ma'ana, ana iya amfani da na'urar haɗa wutar lantarki a matsayin mai haɗa wuta, inda ake amfani da tashoshin biyu (ko fiye) don haɗa siginar shigarwa cikin fitarwa ɗaya. A ka'ida, mai rarraba wutar lantarki da mai haɗa wutar lantarki na iya zama ainihin sashi ɗaya, amma a aikace za a iya samun buƙatu daban-daban don masu haɗawa da masu rarrabawa, kamar sarrafa wutar lantarki, daidaitawar lokaci, wasan tashar jiragen ruwa da keɓewa.
Ana kiran masu rarraba wutar lantarki da masu haɗawa galibi a matsayin masu rarrabawa. Duk da yake wannan daidai ne a zahiri, injiniyoyi galibi suna adana kalmar “tsaga” don nufin tsarin tsayayya mara tsada wanda ke raba iko akan bandwidth mai faɗi sosai, amma yana da asara mai yawa da iyakantaccen iko.
Ana amfani da kalmar “mai rarrabawa” galibi lokacin da siginar mai shigowa za ta raba daidai da duk abubuwan da aka fitar. Misali, idan akwai tashoshin fitarwa guda biyu, kowanne zai sami ɗan ƙasa da rabin siginar shigarwa, wanda ya dace -3 dB idan aka kwatanta da siginar shigarwa. Idan akwai tashoshin fitarwa guda huɗu, kowace tashar jiragen ruwa zata sami kusan kashi ɗaya cikin huɗu na siginar, ko -6 dB idan aka kwatanta da siginar shigarwa.
Kaɗaici
Lokacin zabar nau'in mai raba ko mahaɗa don amfani, yana da mahimmanci a yi la'akari da keɓewa. Babban keɓewa yana nufin siginonin abubuwan da suka faru (a cikin na'ura mai haɗawa) ba sa tsoma baki tare da juna, kuma duk wani makamashin da ba a aika zuwa wurin fitarwa ba ya ɓace maimakon aika zuwa tashar fitarwa. Daban-daban iri masu rarraba suna sarrafa wannan ta hanyoyi daban-daban. Misali, a cikin mai rarraba Wilkinson, resistor yana da ƙimar 2Z0 kuma an ɗaure shi a cikin abubuwan da aka fitar. A cikin ma'auni na quadrature, tashar jiragen ruwa ta huɗu tana da ƙarewa. Ƙarshen ba ya ɓata makamashi sai dai idan wani abu mara kyau ya faru, kamar amp ɗaya ya kasa ko amplifiers suna da matakai daban-daban.
Nau'in Rarraba
Akwai nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan wutar lantarki ko masu haɗawa. Kadan daga cikin mafi yawan sun haɗa da:
Mai rarraba Wilkinson yana raba siginar shigarwa zuwa siginonin fitarwa na lokaci guda biyu daidai, ko kuma ya haɗa sigina masu daidaita-lokaci guda biyu zuwa ɗaya a gaba. Mai rarraba Wilkinson ya dogara da masu taswirar raƙuman ruwa kwata don dacewa da tsagawar tashar jiragen ruwa. Ana sanya resistor a fadin abubuwan da ake fitarwa, inda ba ya cutar da siginar shigarwa a Port 1. Wannan yana inganta keɓancewa sosai kuma yana ba da damar duk tashoshin jiragen ruwa su kasance masu daidaitawa. Ana amfani da irin wannan nau'in rarraba sau da yawa a cikin tsarin mitar rediyo mai yawan tashoshi saboda yana iya samar da babban matakin keɓe tsakanin tashoshin fitarwa. Ta hanyar ƙaddamar da ƙarin sassan raƙuman ruwa na kwata, Wilkinson's zai iya sauƙin sarrafa 9: 1 bandwidth na tsarin yaƙi na lantarki.
Kamar yadda sunan ke nunawa, mai rarraba wutar lantarki na RF/Microwave zai raba siginar shigarwa zuwa sigina guda biyu daidai kuma iri ɗaya (watau in-phase). Hakanan ana iya amfani dashi azaman mai haɗa wuta, inda tashar gama gari ita ce fitarwa kuma ana amfani da tashoshin wutar lantarki guda biyu daidai a matsayin abubuwan shigarwa. Mahimman bayanai idan aka yi amfani da su azaman mai rarraba wutar lantarki sun haɗa da asarar sakawa, girma da ma'auni tsakanin makamai, da dawo da asara. Don haɗa wutar lantarki na siginar da ba a haɗa su ba, mafi mahimmancin ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai shine keɓewa, wanda shine asarar shigarwa daga ɗaya daidai tashar wutar lantarki zuwa ɗayan.
Masu Rarraba Wutar LantarkiSiffofin
Ana iya amfani da masu rarraba wutar lantarki azaman masu haɗawa ko masu rarrabawa
• Wilkinson da Babban masu raba wutar lantarki suna ba da babban keɓewa, tare da toshe siginar giciye tsakanin tashoshin fitarwa
• Ƙarancin shigarwa da asarar dawowa
• Wilkinson da masu rarraba wutar lantarki suna ba da mafi kyawun girman (<0.5dB) da ma'aunin lokaci (<3°)
Si Chuan Keenlion Microwave babban zaɓi na rarrabuwar wutar lantarki ta hanyoyi 2 a cikin kunkuntar bandeji da saitunan watsa shirye-shirye, yana rufe mitoci daga DC zuwa 50 GHz. An ƙera su don ɗaukar ikon shigar da wutar lantarki daga 10 zuwa 30 watts a cikin tsarin watsa 50-ohm. Ana amfani da ƙirar microstrip ko tsiri, kuma an inganta su don mafi kyawun aiki.
Raka'a sun zo daidai da masu haɗin SMA ko N mata, ko 2.92mm, 2.40mm, da 1.85mm masu haɗawa don manyan abubuwan haɗin mitoci.
Hakanan zamu iya keɓance mai rarraba wutar lantarki gwargwadon buƙatun ku. Kuna iya shigar da shafin keɓancewa don samar da ƙayyadaddun bayanai da kuke buƙata.
Lokacin aikawa: Agusta-09-2022
