Fasaha ta tace millimeter-wave (mmWave) muhimmin bangare ne wajen ba da damar sadarwar mara waya ta 5G na yau da kullun, duk da haka tana fuskantar kalubale da yawa dangane da girman jiki, jurewar masana'anta, da kwanciyar hankali.
A cikin tsarin sadarwa mara waya ta 5G na yau da kullun, mai da hankali kan gaba zai canza zuwa amfani da mitoci sama da 20 GHz a cikin bakan mmWave don haɓaka ƙarfin bandwidth, a ƙarshe yana haɓaka ƙimar watsawa.
Sanannen abu ne cewa saboda yawan mitoci da babbar asarar hanya, siginar mmWave suna buƙatar ƙananan eriya. An haɗa waɗannan eriya tare don samar da ƙunƙuntaccen katako, eriya mai girma mai riba.
Ɗaya daga cikin matsalolin farko a ƙirar tacewa yana cikin daidaitawa da girman eriya, musamman don matattara mai ƙarfi. Bugu da ƙari, juriyar masana'anta da kwanciyar hankali na masu tacewa suna tasiri sosai ga kowane fanni na ƙira da samarwa.
Matsakaicin Girma a Fasahar mmWave
A tsarin tsararrun eriya na al'ada, tazara tsakanin abubuwa dole ne ya zama ƙasa da rabin tsawon zango (λ/2) don guje wa tsangwama. Wannan ƙa'idar daidai ta shafi 5G beamforming eriya. Misali, eriya da ke aiki a rukunin 28 GHz tana da tazarar kashi kusan mm 5. Saboda haka, abubuwan da ke cikin tsararrun dole ne su kasance ƙanƙanta.
Tsare-tsare da aka yi amfani da su a aikace-aikacen mmWave galibi suna ɗaukar ƙirar tsari, kamar yadda aka kwatanta a ƙasa, inda eriya (yankunan rawaya) aka ɗora akan allunan da'ira (PCBs) (yankunan kore), kuma ana iya haɗa allunan da'ira (bangaren shuɗi) kai tsaye zuwa ga allon eriya.
Wurin da ke kan waɗannan allunan da'irar ya riga ya yi kadan, amma fasahar da ke tasowa suna bincika har ma da ƙarin ƙayyadaddun tsarin lebur, wanda ke nuna cewa masu tacewa da sauran tubalan kewayawa suna buƙatar ƙarami sosai don hawa kai tsaye a bayan PCB na eriya.
Tasirin Haƙurin Samfura akan Filters
Ganin mahimmancin matattarar mmWave, haƙurin masana'anta suna taka muhimmiyar rawa, yana tasiri duka aikin tacewa da farashi.
Don ci gaba da bincika waɗannan abubuwan, mun kwatanta hanyoyi daban-daban na masana'anta na 26 GHz:
Tebur mai zuwa yana zayyana matsananciyar haƙuri da aka fuskanta a samarwa:
Tasirin Haƙuri akan PCB Microstrip Filters
Kamar yadda aka nuna a ƙasa, ana nuna ƙirar matatar microstrip.
Tsarin simulation na ƙira shine kamar haka:
Don nazarin tasirin haƙuri akan wannan matatar microstrip na PCB, an zaɓi matsananciyar haƙuri guda takwas, wanda ke bayyana bambance-bambance masu ban sha'awa.
Tasirin Haƙuri akan Filters Stripline PCB
Zane mai tace tsiri, wanda aka nuna a ƙasa, tsari ne na matakai bakwai tare da allunan dielectric mil RO3003 a sama da ƙasa.
Fitarwar ba ta da tsayi sosai, kuma madaidaicin rectangular ya yi ƙasa da na microstrip saboda rashin sifili kusa da madaidaicin fasfo, yana haifar da ingantaccen aiki mai jituwa a mitoci masu nisa.
Hakazalika, nazarin haƙuri yana nuna mafi kyawun hankali idan aka kwatanta da layin microstrip.
Kammalawa
Don sadarwar mara waya ta 5G don cimma saurin sauri, fasahar tace mmWave mai aiki a 20 GHz ko mafi girma mitoci yana da mahimmanci. Koyaya, ƙalubalen suna ci gaba ta fuskar girman jiki, kwanciyar hankali, da rikitattun masana'antu.
Don haka, dole ne a yi la'akari da tasirin haƙuri akan ƙira. A bayyane yake cewa matatun SMT suna nuna kwanciyar hankali fiye da microstrip da masu tacewa, suna ba da shawarar cewa matatun saman-Mount na SMT na iya fitowa azaman babban zaɓi don sadarwar mmWave na gaba.
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.
Lokacin aikawa: Yuli-17-2024