Nkhani
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LoRa VS LoRaWan
LoRa ndi lalifupi la Long Range.Ndi ukadaulo wapamtunda wotsika, wolumikizana ndi mtunda wautali.Ndi mtundu wa njira, yomwe mbali yake yaikulu ndi mtunda wautali wa kufalitsa opanda zingwe mu mndandanda womwewo (GF, FSK, etc.) kufalikira kutali, vuto la kuyeza dist ...Werengani zambiri -
Kufotokozera mwatsatanetsatane kwa Low PIM Termination Load
Mphamvu yamphamvu yotsika kwambiri, yotsika ya PIM Termination Load, kuphatikiza kutsika kwapang'onopang'ono kwapang'onopang'ono komanso kutsika kwamphamvu kwapang'onopang'ono komwe kumalumikizidwa ndi kutulutsa kwapang'onopang'ono kwapang'onopang'ono.Mtundu wothandizira uli ndi mawonekedwe osavuta komanso ...Werengani zambiri -
Ubwino wa 5G Technology
Zinadziwitsidwa ndi Unduna wa Zamakampani ndi Zaukadaulo ku China: China yatsegula masiteshoni oyambira a 1.425 miliyoni a 5G, ndipo chaka chino idzalimbikitsa chitukuko chachikulu cha mapulogalamu a 5G mu 2022. Zikumveka ngati 5G ikupitadi m'moyo wathu weniweni, chifukwa chiyani kodi ife...Werengani zambiri -
Passive intermodulation (PIM) zotsatira m'malo oyambira
Zipangizo zogwira ntchito zimadziwika kuti zili ndi zotsatira zopanda malire pa dongosolo.Njira zosiyanasiyana zapangidwa kuti ziwongolere magwiridwe antchito a zida zotere panthawi ya mapangidwe ndi magwiridwe antchito.Ndizosavuta kunyalanyaza kuti chipangizo chopanda pake chimatha kuyambitsanso mawonekedwe osagwirizana ...Werengani zambiri -
Kodi RF attenuator ndi chiyani?
The Attenuator ndi gawo lamagetsi lomwe limagwiritsidwa ntchito kwambiri pazida zamagetsi, ndipo ntchito yake yayikulu ndikupereka attenuation.Ndi chinthu chowononga mphamvu, chomwe chimasanduka kutentha pambuyo pogwiritsira ntchito mphamvu.Zolinga zake zazikulu ndi izi: (1) Sinthani kukula kwa si...Werengani zambiri -
Kulumikizana pakati pa RF Combiner ndi Hybrid Coupler
Chophatikizira cha frequency band chimatanthawuza kuphatikizika kwamphamvu kwa ma frequency awiri osiyanasiyana.Mwachitsanzo, RF Combiner CDMA ndi GSM mphamvu kaphatikizidwe;CDMA/GSM ndi DCS mphamvu kaphatikizidwe.Chifukwa chakulekanitsa kwakukulu kwa ma siginali awiriwa, RF Combiner ndi ...Werengani zambiri -
Kufunika kwa zosefera za RF
Chifukwa chiyani zosefera za RF zikukhala zofunika kwambiri? Kukula kwachangu kwa data opanda zingwe zam'manja ndi maukonde a 4G LTE kwapangitsa kuti pakhale kufunikira kwa magulu atsopano komanso kuphatikizika kwa ma carriers kuphatikiza ma bandi kuti agwirizane ndi magalimoto opanda zingwe.Netiweki ya 3G imagwiritsa ntchito magulu asanu okha, ...Werengani zambiri -
Kapangidwe ka RF Cavity Filter ndi msonkhano wachikhalidwe
Zida ndi zida zomwe zimagwiritsidwa ntchito ndi: zida: screwdriver yamagetsi, screwdriver ya Phillips, RF patsekeke fyuluta allen wrench, flat-blade debugging screwdriver, etc.;zida: vekitala maukonde analyzers, monga E5071B, MS4622B, RF Cavity Fyuluta, etc.;makina achikhalidwe ...Werengani zambiri -
Kusiyana pakati pa splitter yamagetsi, coupler ndi combiner
Power splitter, coupler ndi chophatikizira ndizofunikira kwambiri pamakina a RF, chifukwa chake tikufuna kugawana kusiyana kwake pakati pawo pamatanthauzidwe ndi ntchito zawo.1.Power divider: Imagawa mofanana mphamvu ya siginecha ya doko limodzi kupita ku doko lotulutsa, lomwe limatchedwanso zogawa mphamvu ndipo, pamene u...Werengani zambiri -
Zotsatira za kapangidwe ka zida za RF ndi kupanga pamapulogalamu
Malinga ndi mapangidwe ndi kupanga ndi njira zopangira, zida zomwe zimagwiritsidwa ntchito pamaneti apano zitha kugawidwa m'magulu ang'onoang'ono ndi ma microstrip.Zipangizo za cavity makamaka zimaphatikizapo zida zapabowo, zosefera pamitsempha, ma cavity couplers ndi hybrid, ndi zida za microstrip makamaka ...Werengani zambiri -
Momwe Mungapangire Zosefera za Dielectric?
Sefa ya Dielectric ndi chingwe cha kuwala chomwe chimasamutsa kutalika kwa mawonekedwe amodzi ndikuwonetsa ena kutengera Kusokoneza mkati mwa kapangidwe kake.Amatchedwanso interference filter.Microwave dielectric zotsatira za ceramics zimathandizira kukula kwa zida ndi kachulukidwe ka ma CD ...Werengani zambiri -
Kodi 6G Idzabweretsa Chiyani Kwa Anthu?
4G imasintha moyo, 5G imasintha anthu, ndiye 6G idzasintha bwanji anthu, ndipo idzabweretsa chiyani kwa ife?Zhang Ping, wophunzira wa Chinese Academy of Engineering, membala wa Advisory Committee ya IMT-2030 (6G) Promotion Group, ndi pulofesa ku Beijing Universi ...Werengani zambiri
