Itekhnoloji yesihluzi se-Millimeter-wave (mmWave) yinxalenye ebalulekileyo ekuvumeleni unxibelelwano olungenazingcingo lwe-5G oluqhelekileyo, kodwa ijongene nemingeni emininzi ngokubhekiselele kubukhulu bomzimba, ukunyamezelana kwemveliso, kunye nokuzinza kobushushu.
Kwicandelo lonxibelelwano olungenazingcingo lwe-5G oluqhelekileyo, ingqwalasela yexesha elizayo iya kutshintshela ekusebenziseni amaza angaphezu kwama-20 GHz ngaphakathi kwe-mmWave spectrum ukuphucula umthamo we-bandwidth, ekugqibeleni kunyuswe amazinga othumelo.
Kuyaziwa ukuba ngenxa yeefrikhwensi zazo eziphezulu kunye nokulahleka okukhulu kwendlela, imiqondiso ye-mmWave ifuna ii-antenna ezincinci. Ezi antenna zihlanganiswe ndawonye ukuze zenze ii-antenna ezinqamlezileyo, ezine-high-gain array.
Enye yezona ngxaki ziphambili kuyilo lwezihluzo kukuziqhelanisa nobukhulu be-antenna, ingakumbi kwizihluzo ezisebenzisa i-frequency ephezulu. Ukongeza, ukunyamezelana kokwenziwa kunye nokuzinza kobushushu bezihluzo kuchaphazela kakhulu yonke into yoyilo lwemveliso kunye nemveliso.
Imiqobo yobungakanani kwiTekhnoloji ye-mmWave
Kwiinkqubo zemveli ze-antenna array, isithuba phakathi kwezinto kufuneka sibe ngaphantsi kwesiqingatha sobude be-wavelength (λ/2) ukuze kuthintelwe ukuphazamiseka. Lo mgaqo usebenza ngokufanayo kwi-antennas ezenza imisebe ye-5G. Umzekelo, i-antenna esebenza kwi-28 GHz band inesithuba sezinto esimalunga ne-5 mm. Ngenxa yoko, izinto ezingaphakathi kwe-array kufuneka zibe zincinci kakhulu.
Ii-arrays ezisetyenziswa kwizicelo ze-mmWave zihlala zisebenzisa uyilo lwesakhiwo esicwangcisiweyo, njengoko kuboniswe ngezantsi, apho ii-antenna (iindawo ezityheli) zifakelwa kwiibhodi zesekethe eziprintiweyo (ii-PCB) (iindawo eziluhlaza), kwaye iibhodi zesekethe (iindawo eziluhlaza okwesibhakabhaka) zinokuqhagamshelwa ngokuthe nkqo kwibhodi ye-antenna.
Isithuba kwezi bhodi zesekethe sele sincinci, kodwa ubuchwepheshe obutsha buhlola izakhiwo ezithe tyaba ezixineneyo, nto leyo ethetha ukuba izihluzi kunye nezinye iibhloko zesekethe kufuneka zibe ncinci kakhulu ukuze zifakelwe ngqo ngasemva kwe-PCB ye-antenna.
Impembelelo yokunyamezelana kweMveliso kwiiFiltha
Ngenxa yokubaluleka kwezihluzi ze-mmWave, ukunyamezelana kwemveliso kudlala indima ebalulekileyo, okuchaphazela ukusebenza kwesihluzi kunye neendleko.
Ukuze siqhubeke nokuphanda ezi zinto, sithelekise iindlela ezintathu ezahlukeneyo zokwenza isihluzo se-26 GHz:
Le theyibhile ilandelayo ichaza ukunyamezelana okugqithisileyo okuqhelekileyo okufumaneka kwimveliso:
Impembelelo yokunyamezelana kwiiFilters zePCB Microstrip
Njengoko kuboniswe ngezantsi, uyilo lwesixhobo sokucoca i-microstrip luyaboniswa.
I-curve yokulinganisa uyilo ilandelayo:
Ukuze kufundwe impembelelo yokunyamezelana kwesi sihluzi se-PCB microstrip, kukhethwe iindlela ezisibhozo zokunyamezelana okugqithisileyo, nto leyo etyhila umahluko ophawulekayo.
Impembelelo yokunyamezelana kwiiFilthi ze-PCB Stripline
Uyilo lwesihluzo se-stripline, oluboniswe ngezantsi, lulwakhiwo olunezigaba ezisixhenxe oluneebhodi ze-dielectric ze-RO3003 ezingama-30 mil phezulu nasezantsi.
I-roll-off ayityebanga kangako, kwaye i-coefficient ye-rectangular ingaphantsi kwe-microstrip ngenxa yokungabikho koo-zero kufutshane ne-passband, nto leyo ebangela ukusebenza kwe-harmonic engaphantsi kakhulu kwii-frequencies ezikude.
Ngokufanayo, uhlalutyo lokunyamezelana lubonisa uvakalelo olungcono xa kuthelekiswa nemigca ye-microstrip.
Isiphelo
Ukuze unxibelelwano olungenazingcingo lwe-5G lufikelele kwisantya esikhawulezayo, itekhnoloji yesihluzo se-mmWave esebenza kwi-20 GHz okanye ngaphezulu ibalulekile. Nangona kunjalo, imingeni isaqhubeka ngokubhekiselele kubukhulu bomzimba, uzinzo lokunyamezelana, kunye nobunzima bokuvelisa.
Ngoko ke, impembelelo yokunyamezelana kwiindlela zoyilo kufuneka iqwalaselwe ngononophelo. Kuyacaca ukuba izihluzi ze-SMT zibonisa uzinzo olukhulu kunezihluzi ze-microstrip kunye ne-stripline, nto leyo ebonisa ukuba izihluzi ze-SMT ezifakelwa phezu komhlaba zinokuvela njengokhetho oluphambili lonxibelelwano lwe-mmWave kwixesha elizayo.
Concept, renowned for its expertise in RF filter manufacturing, offers a comprehensive selection of filters tailored to meet the unique requirements of 5G solutions. As a professional Original Design Manufacturer (ODM) and Original Equipment Manufacturer (OEM), Concept provides an extensive RF filter list for reference, ensuring compatibility and optimal performance for diverse 5G applications. To explore the available options, please visit their website at www.concept-mw.com . For further inquiries or to discuss specific project needs, feel free to contact the sales team at sales@concept-mw.com.
Ixesha leposi: Julayi-17-2024