A cikin 'yan shekarun nan, tare da haɓakar haɓakar sadarwa ta wayar tarho da fasahar radar, don inganta nisan watsa shirye-shirye na tsarin, ya zama dole a kara karfin watsa na'urar. A matsayin wani ɓangare na gabaɗayan tsarin microwave, masu haɗin RF coaxial suna buƙatar samun damar jure buƙatun watsawa na babban ƙarfin iko. A lokaci guda, injiniyoyin RF suma suna buƙatar gudanar da gwaje-gwaje masu ƙarfi da awoyi akai-akai, kuma na'urorin microwave/na'urorin da ake amfani da su don gwaje-gwaje daban-daban suma suna buƙatar jure babban ƙarfi. Waɗanne abubuwa ne ke shafar ƙarfin ƙarfin masu haɗin RF coaxial? Mu zo duba
● Girman haɗin haɗin gwiwa
Don siginar RF na mitar guda ɗaya, manyan haɗe-haɗe suna da mafi girman juriya. Misali, girman madaidaicin pinhole mai haɗawa yana da alaƙa da ƙarfin mai haɗawa na yanzu, wanda ke da alaƙa kai tsaye da wutar lantarki. Daga cikin masu haɗin RF coaxial daban-daban da aka saba amfani da su, 7/16 (DIN), 4.3-10, da masu haɗin nau'in N suna da girma sosai a girman, kuma madaidaitan masu girman pinhole suma manya ne. Gabaɗaya, juriyar ƙarfin masu haɗa nau'in N-kusan SMA sau 3-4 ne. Bugu da kari, ana amfani da masu haɗin nau'in nau'in N, wanda shine dalilin da ya sa mafi yawan abubuwan da suka dace kamar su attenuators da lodi sama da 200W sune haɗin nau'in N.
●Yawan aiki
Haƙurin wutar lantarki na masu haɗin coaxial RF zai ragu yayin da mitar sigina ke ƙaruwa. Canje-canje a cikin mitar siginar watsawa kai tsaye yana haifar da canje-canje a cikin asara da ƙimar ƙarfin ƙarfin lantarki, don haka yana shafar ƙarfin watsawa da tasirin fata. Misali, babban mai haɗin SMA na iya jure kusan 500W na wuta a 2GHz, kuma matsakaicin ƙarfin yana iya jure ƙasa da 100W a 18GHz.
●Matsayin igiyar wutar lantarki
Mai haɗin RF yana ƙayyadaddun takamaiman tsayin lantarki yayin ƙira. A cikin layi mai iyaka, lokacin da halayen halayen halayen halayen da nauyin nauyin nauyi ba su daidaita ba, wani ɓangare na ƙarfin lantarki da na yanzu daga ƙarshen kaya suna nunawa a baya zuwa gefen wutar lantarki, wanda ake kira wave. Raƙuman ruwa masu nunawa; Wutar lantarki da halin yanzu daga tushen zuwa kaya ana kiran su raƙuman ruwa. Sakamakon igiyar igiyar igiyar ruwa da kuma igiyar da aka nuna ana kiranta igiyar igiyar ruwa. Matsakaicin madaidaicin ƙimar ƙarfin lantarki da mafi ƙarancin ƙimar igiyar igiyar ruwa ana kiranta rabon igiyar wutar lantarki (zai iya zama madaidaicin igiyar igiyar ruwa). Ragewar da aka nuna yana mamaye sararin damar tashar, yana haifar da rage ƙarfin watsawa.
●Asarar shigarwa
Asarar shigarwa (IL) tana nufin asarar wutar lantarki akan layi saboda gabatarwar masu haɗin RF. An bayyana shi azaman rabon ƙarfin fitarwa zuwa ikon shigar da shi. Akwai da yawa dalilai da ƙara haši saka hasãra, yafi lalacewa ta hanyar: mismatch na halayyar impedance, taro daidaito kuskure, dabbar tazarar karshen fuska rata, axis karkatar, a kaikaice biya diyya, eccentricity, aiki daidaito da kuma electroplating, da dai sauransu Saboda kasancewar hasara. akwai bambanci tsakanin shigar da wutar lantarki, wanda kuma zai yi tasiri ga juriya.
●Matsayin iska
Canje-canje a cikin matsa lamba na iska yana haifar da canje-canje a cikin dielectric akai-akai na sashin iska, kuma a ƙananan matsa lamba, iska yana sauƙi ionized don samar da corona. Maɗaukakin tsayin daka, ƙananan ƙarfin iska da ƙananan ƙarfin wutar lantarki.
●Juriya lamba
Juriyar lamba na mai haɗin RF yana nufin juriya na wuraren tuntuɓar masu gudanarwa na ciki da na waje lokacin da mai haɗin ya haɗu. Gabaɗaya yana cikin matakin milliohm, kuma ƙimar ya kamata ya zama ƙarami gwargwadon yiwuwa. Yawanci yana kimanta kaddarorin injina na lambobin sadarwa, kuma yakamata a cire tasirin juriyar jiki da juriya na haɗin gwiwa yayin aunawa. Kasancewar juriya na lamba zai sa lambobin sadarwa su yi zafi, yana sa ya yi wahala a watsa siginar lantarki mafi girma.
●Kayan haɗin gwiwa
Nau'in haɗin haɗin guda ɗaya, ta yin amfani da kayan daban-daban, za su sami bambancin ƙarfin juriya.
Gabaɗaya, don ikon eriya, la'akari da ikon kanta da ikon mai haɗawa. Idan akwai buƙatar babban iko, zaka iyasiffantamai haɗa bakin karfe, kuma 400W-500W ba matsala.
E-mail:info@rf-miso.com
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Yanar Gizo: www.rf-miso.com
Lokacin aikawa: Oktoba-12-2023
