Zaɓin masu haɗin coaxial RF yakamata suyi la'akari da buƙatun aiki da abubuwan tattalin arziki.Dole ne aikin ya dace da bukatun kayan aikin lantarki na tsarin.Ta fuskar tattalin arziki, dole ne ya cika buƙatun injiniyan ƙima.A ka'ida, ya kamata a yi la'akari da waɗannan abubuwa huɗu masu zuwa lokacin zabar masu haɗawa.Na gaba, bari mu duba.
Mai haɗa BNC
(1) Mai haɗin haɗi (SMA, SMB, BNC, da dai sauransu)
(2) Ayyukan lantarki, haɗin kebul da haɗin kebul
(3) Form ƙarshe (kwamfutar PC, USB, panel, da sauransu)
(4) Tsarin injina da sutura (soja da kasuwanci)
1. Connector dubawa
Mai haɗa haɗin haɗin yawanci ana ƙaddara ta aikace-aikacen sa, amma dole ne ya cika buƙatun aikin lantarki da na inji a lokaci guda.
Ana amfani da mai haɗa nau'in BMA don haɗin makafi na tsarin microwave mara ƙarfi tare da mitar har zuwa 18GHz.
Masu haɗin BNC haɗin haɗin nau'in bayoneti ne, waɗanda galibi ana amfani da su don haɗin RF tare da mitoci ƙasa da 4GHz, kuma ana amfani da su sosai a tsarin cibiyar sadarwa, kayan kida da filayen haɗin kwamfuta.
Ban da dunƙule, ƙirar TNC tana kama da na BNC, wanda har yanzu ana iya amfani dashi a 11GHz kuma yana da kyakkyawan aiki a ƙarƙashin yanayin girgiza.
SMA dunƙule haši ana amfani da ko'ina a cikin jirgin sama, radar, microwave sadarwa, dijital sadarwa da sauran sojoji da farar hula filayen.Its impedance ne 50 Ω.Lokacin amfani da kebul mai sassauƙa, mitar tana ƙasa da 12.4GHz.Lokacin amfani da kebul mai ƙarfi, matsakaicin mitar shine 26.5GHz.75 Ω yana da fa'idar aikace-aikace mai fa'ida a cikin sadarwar dijital.
Girman SMB ya fi na SMA.Don shigar da tsarin kulle kai da sauƙaƙe haɗin kai da sauri, aikace-aikacen da aka fi sani da shi shine sadarwar dijital, wanda shine maye gurbin L9.50N na kasuwanci ya haɗu da 4GHz, kuma 75 Ω ana amfani dashi don 2GHz.
SMC yayi kama da SMB saboda dunƙulewa, wanda ke tabbatar da ingantaccen aikin injina da kewayon mitar mitoci.Ana amfani da shi musamman a cikin sojoji ko yanayin girgizar ƙasa.
Mai haɗa nau'in dunƙule N-type yana amfani da iska azaman kayan rufewa tare da ƙarancin farashi, impedance na 50 Ω da 75 Ω, da mitar har zuwa 11 GHz.Yawancin lokaci ana amfani dashi a cibiyoyin sadarwa na yanki, watsa watsa labarai da kayan gwaji.
Masu haɗin jerin MCX da MMCX waɗanda RFCN ke bayarwa ƙananan girmansu ne kuma abin dogaro ne a cikin lamba.Su ne samfuran da aka fi so don saduwa da buƙatun m da ƙaranci, kuma suna da fa'idodin aikace-aikacen.
2. Electric yi, na USB da kuma na USB taro
A. Impedance: Mai haɗawa yakamata ya dace da impedance na tsarin da kebul.Ya kamata a lura cewa ba duk masu haɗin haɗin haɗin gwiwa ba ne suka hadu da rashin daidaituwa na 50 Ω ko 75 Ω, kuma rashin daidaituwa na impedance zai haifar da lalacewar tsarin aiki.
B. Voltage: tabbatar da cewa ba za a iya wuce iyakar jurewar ƙarfin mai haɗawa yayin amfani ba.
C. Matsakaicin mitar aiki: kowane mai haɗawa yana da matsakaicin iyakar mitar aiki, kuma wasu ƙirar kasuwanci ko 75n suna da ƙarancin mitar aiki.Baya ga aikin lantarki, kowane nau'in mu'amala yana da sifofi na musamman.Misali, BNC shine haɗin bayoneti, wanda yake da sauƙin shigarwa kuma mai arha kuma ana amfani dashi sosai a cikin haɗin lantarki mara ƙarancin aiki;SMA da jerin TNC an haɗa su ta hanyar kwayoyi, suna saduwa da buƙatun yanayin yanayin girgizawa akan masu haɗawa.SMB yana da aikin haɗi mai sauri da cire haɗin gwiwa, don haka ya fi shahara ga masu amfani.
D. Cable: Saboda ƙarancin aikin garkuwarsa, ana amfani da kebul na TV a cikin tsarin da kawai ke la'akari da impedance.Aikace-aikace na yau da kullun shine eriyar TV.
Kebul na TV mai sassaucin ra'ayi shine bambancin kebul na TV.Yana da in mun gwada da m impedance da kyau garkuwa sakamako.Ana iya lankwasa shi kuma yana da ƙarancin farashi.Ana amfani da shi sosai a cikin masana'antar kwamfuta, amma ba za a iya amfani da shi a cikin tsarin da ke buƙatar babban aikin garkuwa ba.
Garkuwar igiyoyi masu sassauƙa suna kawar da inductance da ƙarfin aiki, waɗanda galibi ana amfani da su a cikin kayan aiki da gine-gine.
Kebul na coaxial mai sassauƙa ya zama kebul ɗin watsawa na yau da kullun saboda aikin sa na musamman.Coaxial yana nufin cewa sigina da madugu na ƙasa suna kan gadi ɗaya, kuma madubin waje yana kunshe da lallausan waya mai laushi, don haka ana kiranta braided coaxial cable.Wannan kebul yana da tasirin kariya mai kyau a kan madugu na tsakiya kuma tasirin garkuwarsa ya dogara da nau'in waya da aka yi masa kauri da kauri na laka.Bugu da ƙari ga ƙarfin ƙarfin lantarki, wannan na USB kuma ya dace don amfani a babban mita da kuma yawan zafin jiki.
Semi-m coaxial igiyoyi suna maye gurbin Layer ɗin da aka yi masa waƙa tare da harsashi tubular, yadda ya kamata don yin tasiri don rashin lahani na mummunan tasirin kariya na igiyoyin da aka ɗaure a manyan mitoci.Yawancin igiyoyi masu tsauri suna amfani da su a manyan mitoci.
E. Cable Assembly: Akwai manyan hanyoyi guda biyu don shigar da haɗin haɗi: (1) walda madubin tsakiya da murɗa Layer na garkuwa.(2) Crimp tsakiya madugu da garkuwa Layer.Sauran hanyoyin sun samo asali ne daga hanyoyin guda biyu na sama, kamar walda madubin tsakiya da kuma murƙushe Layer na garkuwa.Ana amfani da hanyar (1) a cikin yanayi ba tare da kayan aikin shigarwa na musamman ba;Saboda babban inganci da ingantaccen aiki na ƙarshe na hanyar crimping taro, da kuma ƙirar kayan aikin crimping na musamman na iya tabbatar da cewa kowane ɓangaren maggot na USB da aka haɗa daidai yake, tare da haɓaka kayan aikin haɗin gwiwa mai ƙarancin farashi, Layer garkuwar crimping. na madugu cibiyar walda zai ƙara shahara.
3. Form na ƙarshe
Ana iya amfani da masu haɗin kai don igiyoyin coaxial na RF, allon da'irar bugu da sauran mu'amalar haɗin gwiwa.Aiki ya tabbatar da cewa wani nau'in haɗin haɗi ya dace da wani nau'in na USB.Gabaɗaya, kebul ɗin tare da ƙaramin diamita na waje yana haɗa tare da ƙananan haɗin haɗin haɗin gwiwa kamar SMA, SMB da SMC.4. Mechanical tsarin da shafi
Tsarin mai haɗawa zai shafi farashinsa sosai.Zane na kowane mai haɗawa ya haɗa da ma'aunin soja da ma'aunin kasuwanci.Matsayin soja yana ƙera duk sassan jan karfe, rufin polytetrafluoroethylene, da na ciki da na waje na zinari bisa ga MIL-C-39012, tare da ingantaccen aiki.Tsarin ƙira na kasuwanci yana amfani da kayan arha kamar simintin tagulla, rufin polypropylene, murfin azurfa, da sauransu.
An yi masu haɗawa da tagulla, jan ƙarfe na beryllium da bakin karfe.Gabaɗaya ana lulluɓe madugu na tsakiya da zinari saboda ƙarancin juriya, juriyar lalata da ingantaccen iska.Ma'auni na soja yana buƙatar platin zinari akan SMA da SMB, da plating na azurfa akan N, TNC da BNC, amma yawancin masu amfani sun fi son plating nickel saboda azurfa yana da sauƙin oxidize.
Abubuwan haɗin haɗin da aka saba amfani da su sun haɗa da polytetrafluoroethylene, polypropylene da polystyrene mai tauri, wanda polytetrafluoroethylene yana da mafi kyawun aikin rufewa amma tsadar samarwa.
Kayan aiki da tsarin mai haɗawa suna shafar wahalar aiki da ingancin mai haɗawa.Don haka, masu amfani yakamata su zaɓi mahaɗin da hankali tare da ingantaccen aiki da ƙimar farashi gwargwadon yanayin aikace-aikacen su.
Lokacin aikawa: Fabrairu-07-2023