Madaidaicin Ƙaƙwalwar CNC Machined Cavity
FATAN KOGO RF: ABIN DA SUKE YI
Yawanci sun ƙunshi manyan tubalan ƙarfe tare da ƙananan masu haɗin RF (2 don masu tacewa da 3 don duplexers waɗanda ke haɗa siginar Tx da Rx zuwa tashar jiragen ruwa guda ɗaya).Kamar yadda aka nuna a hoton da ke ƙasa, waɗannan matattarar suna da kusoshi masu yawa a gefe ɗaya ko fiye na jikinsu.Wasu daga cikin waɗannan screws suna daidaita skru, yayin da wasu kuma ana amfani da su don ɗaure farantin sama a kan chassis.
Don rage asarar RF da cimma babban Q ko zaɓin tacewa da ake buƙata don samun ƙarancin asara a cikin fasfo ɗin tacewa da ƙiyayya mai ƙarfi a waje da fasfon ɗin tacewa, jikin aluminium koyaushe ana fentin shi (tare da azurfa, jan karfe, ko ma gwal, amma kawai. don aikace-aikacen sararin samaniya).
A cikin dukkan cibiyoyin sadarwa mara waya daga 1G zuwa 5G, da kuma a cikin tsarin sadarwar farar hula da na soja, RF Cavity Filters sun kasance kuma suna ci gaba da kasancewa aikin masana'antar mara waya.Suna da kewayon mitar mitoci mai faɗi sosai, kama daga 50 MHz zuwa fiye da 20 GHz.Saboda ƙananan raƙuman raƙuman raƙuman su, suna ƙara ƙanƙanta yayin da mitar ke tashi (gudun haske yana dawwama kuma ana ƙididdige shi azaman samfurin mitar siginar RF da tsawonsa).
Kodayake lambar wucewa ga yawancin mashahuran aikace-aikacen yana tsakanin 1% zuwa 10% na mitar aiki, RF Cavity Filters suna ba da aikace-aikacen aikace-aikace da yawa tun da lambar wucewarsu na iya bambanta daga ƙasa da 0.5% zuwa 20% na mitar aiki. .Domin samun mafi kyawun aikin mai karɓa a cikin yanayin RF na ainihi, yawancin, idan ba duka ba, tsarin mara waya yana amfani da RF Cavity Filters tsakanin Eriya da Rediyo (ƙaddamar da siginar shigar da LNA don ƙin ƙananan mitoci da na sama a waje da aikin tsarin) .
Kamar yadda siginonin Tx suka yi ƙarfi sosai fiye da kowane siginar mai karɓa ta 120 zuwa 150 dB, ana kuma amfani da Fitar Cavity RF akan siginar Tx don tabbatar da cewa hayaniyar PA da hayaniya ba su da iyaka kuma baya shafar kansu ko kowane irin tsarin mara waya.
