A cikin 'yan shekarun nan, tare da saurin haɓaka fasahar sadarwa mara waya da fasahar radar, domin inganta nisan watsawa na tsarin, ya zama dole a ƙara ƙarfin watsawa na tsarin. A matsayin wani ɓangare na tsarin microwave gaba ɗaya, masu haɗin RF coaxial suna buƙatar su iya jure buƙatun watsawa na ƙarfin wutar lantarki mai girma. A lokaci guda, injiniyoyin RF suma suna buƙatar yin gwaje-gwaje da ma'auni masu ƙarfi akai-akai, kuma na'urorin microwave/sassan da ake amfani da su don gwaje-gwaje daban-daban suma suna buƙatar su iya jure babban ƙarfi. Waɗanne abubuwa ne ke shafar ƙarfin haɗin RF coaxial? Bari mu duba
● Girman mahaɗi
Ga siginar RF masu mita ɗaya, manyan masu haɗin suna da ƙarin juriyar ƙarfi. Misali, girman ramin ramin mai haɗin yana da alaƙa da ƙarfin halin yanzu na mai haɗin, wanda ke da alaƙa kai tsaye da wutar lantarki. Daga cikin nau'ikan masu haɗin RF coaxial daban-daban da ake amfani da su, 7/16 (DIN), 4.3-10, da N-type masu haɗin suna da girma a girmansu, kuma girman ramin ramin da ya dace suma suna da girma. Gabaɗaya, juriyar ƙarfin masu haɗin N-type yana kusan sau 3-4. Bugu da ƙari, ana amfani da masu haɗin N-type, shi ya sa yawancin abubuwan da ba a iya amfani da su kamar masu rage gudu da kayan da suka wuce 200W sune masu haɗin N-type.
● Mitar aiki
Juriyar ƙarfin haɗin RF coaxial zai ragu yayin da mitar siginar ke ƙaruwa. Canje-canje a cikin mitar siginar watsawa kai tsaye yana haifar da canje-canje a cikin asara da rabon raƙuman lantarki na tsaye, don haka yana shafar ƙarfin watsawa da tasirin fata. Misali, haɗin SMA na gabaɗaya zai iya jurewa kusan 500W na wuta a 2GHz, kuma matsakaicin ƙarfin zai iya jurewa ƙasa da 100W a 18GHz.
●Rabon ƙarfin lantarki na tsaye a cikin raƙuman ruwa
Mai haɗa RF yana ƙayyade wani tsawon lantarki yayin ƙira. A cikin layi mai iyaka, lokacin da halayen impedance da impedance na kaya ba su daidaita ba, wani ɓangare na ƙarfin lantarki da halin yanzu daga ƙarshen kaya ana nuna su zuwa gefen wutar lantarki, wanda ake kira raƙuman ruwa. Raƙuman da aka nuna; ƙarfin lantarki da halin yanzu daga tushe zuwa kayan ana kiran su raƙuman ruwa. Raƙuman da suka haifar da raƙuman ruwa da kuma raƙuman ruwa da aka nuna ana kiran su raƙuman ruwa masu tsayi. Raƙuman da suka fito daga matsakaicin ƙimar ƙarfin lantarki da mafi ƙarancin ƙimar raƙuman ruwa masu tsayi ana kiran su rabon raƙuman ruwa masu tsayi (kuma yana iya zama ma'aunin raƙuman ruwa masu tsayi). Raƙuman da aka nuna suna mamaye sararin ƙarfin tashar, suna haifar da raguwar ƙarfin watsawa.
●Asarar shigarwa
Asarar shigarwa (IL) tana nufin asarar wuta a kan layi saboda shigar da masu haɗin RF. An bayyana shi a matsayin rabon ƙarfin fitarwa zuwa ƙarfin shigarwa. Akwai abubuwa da yawa da ke ƙara asarar shigar da mai haɗawa, galibi suna faruwa ne ta hanyar: rashin daidaiton juriyar halaye, kuskuren daidaiton haɗuwa, gibin fuska na ƙarshe, karkatar da axis, karkatar da gefe, daidaituwar aiki, daidaiton sarrafawa da kuma amfani da wutar lantarki, da sauransu. Saboda wanzuwar asara, akwai bambanci tsakanin ƙarfin shigarwa da fitarwa, wanda kuma zai shafi juriyar wutar.
●Matsin iska mai tsayi
Canje-canje a matsin lamba na iska yana haifar da canje-canje a cikin ma'aunin dielectric na ɓangaren iska, kuma a ƙarancin matsin lamba, iskar tana da sauƙin ionized don samar da corona. Mafi girman tsayin, ƙarancin matsin lamba na iska da kuma ƙarancin ƙarfin wutar lantarki.
●Juriyar hulɗa
Juriyar hulɗar mahaɗin RF tana nufin juriyar wuraren hulɗar na masu haɗa na ciki da waje lokacin da aka haɗa mahaɗin. Gabaɗaya yana cikin matakin milliohm, kuma ƙimar ya kamata ta kasance ƙarami gwargwadon iko. Ya fi kimanta halayen injina na hulɗar, kuma ya kamata a cire tasirin juriyar jiki da juriyar haɗin gwiwa na solder yayin aunawa. Kasancewar juriyar hulɗar zai sa hulɗar ta yi zafi, wanda hakan zai sa ya yi wuya a aika manyan siginar microwave masu ƙarfi.
●Kayan haɗin gwiwa
Nau'in mahaɗi iri ɗaya, ta amfani da kayan aiki daban-daban, zai sami juriyar ƙarfi daban-daban.
Gabaɗaya, don ƙarfin eriya, yi la'akari da ƙarfin kanta da ƙarfin mahaɗin. Idan akwai buƙatar babban ƙarfi, za ka iyakeɓancemahaɗin bakin ƙarfe, da kuma 400W-500W ba matsala ba ce.
E-mail:info@rf-miso.com
Waya:0086-028-82695327
Yanar Gizo: www.rf-miso.com
Lokacin Saƙo: Oktoba-12-2023
