Masu haɗin RF na Coaxial sune mahimman abubuwan watsawa na RF a cikin filin microwave kuma ana amfani dasu sosai a cikin na'urori / sassa na microwave daban-daban, kayan sadarwar microwave, kayan aiki da tsarin radar.
Nau'in haɗin haɗin coaxial RF: Tare da saurin haɓaka hanyoyin sadarwa mara waya da fasahar radar a cikin 'yan shekarun nan, haɓaka kewayon watsa tsarin yana buƙatar haɓaka ikon watsa tsarin. A matsayin wani ɓangare na gabaɗayan tsarin microwave, RF coaxial haši dole ne su iya jure manyan buƙatun watsa wutar lantarki{1}. Injiniyoyin RF kuma akai-akai suna yin babban gwajin wuta da aunawa -, kuma na'urorin microwave daban-daban da abubuwan da aka yi amfani da su don gwaji suma suna buƙatar ƙarfin ƙarfin ƙarfi-. Wannan yana haifar da ƙara yawan buƙatu akan ƙarfin ƙarfin RF coaxial haši, mabuɗin alama na ingancin haɗin haɗin coaxial RF. Don haka, nawa kuka sani game da ƙarfin ƙarfin RF coaxial haši? Ƙarfin wutar lantarki na masu haɗin RF coaxial batu ne mai rikitarwa, abubuwan da yawa suka rinjayi, wasu daga cikinsu suna hulɗa da juna. Waɗannan abubuwan da farko sun haɗa da girman mai haɗawa (gami da girman pinhole), mitar aiki, kayan jiki, kayan rufewa, amincin lamba, juriyar lamba, rabon igiyar wutar lantarki (VSWR), zafin yanayi, da tsayi. Hoton da ke ƙasa yana nuna ƙimar ƙarfin ƙarfin ƙarfin Megaphase don masu haɗin RF daban-daban a mitoci daban-daban. Lokacin zayyana samfuran RF, zaku iya zaɓar mahaɗin da ya dace dangane da mitar aiki da ƙarfin sarrafa samfurin.
Na gaba, za mu ba da cikakken bayani game da abubuwan da ke tasiri ƙarfin ikon masu haɗin RF coaxial. Don siginar RF na mitar guda ɗaya, manyan haɗe-haɗe suna da mafi girman ƙarfin sarrafa iko. Misali, girman haɗe-haɗe pinhole yana da alaƙa da ƙarfin mai haɗawa na yanzu, wanda ke da alaƙa kai tsaye da wuta. Daga cikin masu haɗin haɗin RF coaxial da aka saba amfani da su, 7/16 (DIN), 4.3-10, da N{8}} nau'ikan haɗe-haɗe suna da girma sosai, daidai da girman filaye masu girma. Gabaɗaya, ƙarfin ikon sarrafa nau'in haɗin N{10}} yana kusan sau uku zuwa huɗu fiye da na SMA. Wannan ƙarin shaharar masu haɗin nau'in N{12}} yana bayyana dalilin da yasa yawancin abubuwan da ake siyar da su a kasuwa, kamar masu ɗaukar hoto da lodi masu ƙimar wuta sama da 200W, suna amfani da nau'in haɗin nau'in N{16}}. RFbuy (www.rfbuy.com) yana ba da dama mai dacewa ga manyan nau'ikan wutar lantarki, masu jan hankali, da sauran abubuwan da aka haɗa na microwave. Ƙarfin sarrafa wutar lantarki na masu haɗin coaxial RF yana raguwa tare da ƙara mitar sigina. Canje-canje a mitar siginar da ake watsawa suna shafar asarar watsawa kai tsaye da rabon igiyar wutar lantarki (VSWR), wanda hakan ke shafar ƙarfin watsawa. Bugu da ƙari kuma, tasirin fata yana iya kasancewa. Misali, mai haɗin SMA na yau da kullun yana da ikon sarrafa ikon kusan 500W a 2GHz, amma matsakaicin ikon sarrafa ikon kasa da 100W a 18GHz. Bisa ga RFbuy RF Mall (www.rfbuy.com), yawancin abubuwan da suka dace, irin su attenuators da lodi, masu aiki a mitoci sama da 18 GHz suna da matsakaicin ƙimar ƙarfin ƙasa da 100 W. Don mitoci na milimita, 1.85mm 67 GHz kafaffen attenuator yana da matsakaicin matsakaicin 10.8mm na GHz. yana da matsakaicin ƙimar ƙarfin ƙasa da 22 W. Zaɓin zaɓi mai faɗi na 2.92mm attenuators da lodi suna samuwa, tare da matsakaicin ƙimar wutar lantarki har zuwa 100 W. RF haši an tsara su tare da ƙayyadadden tsawon lantarki. A cikin layi mai iyaka{50}}, lokacin da ma'aunin ma'aunin ma'aunin ma'auni da ma'aunin nauyi ba su daidaita ba, wani yanki na ƙarfin lantarki da na yanzu daga lodin yana nuna baya ga wutar lantarki. Ana kiran wannan igiyar igiyar ruwa mai haskakawa, yayin da ƙarfin lantarki da na yau da kullun daga wutar lantarki zuwa kaya ana kiransa wave. Haɗaɗɗen igiyoyin abin da ya faru da raƙuman raƙuman raƙuman raƙuman ruwa ana kiransa igiyar tsaye. Matsakaicin madaidaicin madaidaicin ƙimar ƙarfin wutar lantarki na igiyar igiyar ruwa ana kiranta rabon ƙarfin lantarki na tsaye (wanda kuma aka sani da madaidaicin igiyar ruwa). Raƙuman ruwa masu nunawa sun mamaye ƙarfin tashar, yana rage ƙarfin watsawa. Asarar shigarwa (IL) tana nufin asarar wutar lantarki a layin da ya haifar da gabatarwar mai haɗin RF. An bayyana shi azaman rabon ikon fitarwa zuwa shigar da wutar lantarki. Dalilai da yawa suna ba da gudummawa ga asarar shigar mai haɗin haɗin gwiwa, gami da rashin daidaituwar madaidaici, kurakuran madaidaicin taro, ƙarshen mating{58}} share fuska, karkatar da axis, kashewa ta gefe, haɓaka, daidaiton injina, da plating. Asara tana haifar da bambanci tsakanin shigar da wutar lantarki, wanda kuma yana shafar sarrafa wutar lantarki. Canje-canjen iska a tsayi yana haifar da bambance-bambance a cikin dielectric akai-akai na sassan iska, kuma a ƙananan matsi, iska ya fi sauƙi ga ionization, samar da corona. Mafi girman tsayi da ƙananan karfin iska, ƙananan ƙarfin sarrafa wutar lantarki. Juriya na lamba: Juriyar lamba na mai haɗin RF yana nufin juriya a wurin tuntuɓar tsakanin masu gudanarwa na ciki da na waje lokacin da mai haɗin ya haɗu. Gabaɗaya ana auna shi a cikin milliohms kuma ya kamata a kiyaye shi ƙasa gwargwadon yiwuwar. Da farko yana kimanta kaddarorin injina na lambobin sadarwa, kuma yakamata a kawar da tasirin juriya mai yawa da juriya ta haɗin gwiwa yayin aunawa. Juriya na tuntuɓa yana haifar da dumama a lambobi, yana sa da wuya a watsa sigina na microwave masu ƙarfi. Kayan haɗi: Ƙarfin sarrafa wutar lantarki na mahaɗin ɗaya na iya bambanta dangane da kayan da ake amfani da su.