Nkhani
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Kukondwerera Zaka 10, Jingxin Akulowa Chitukuko cha Zaka khumi Zikubwerazi
Jingxin anali kale ndi zaka 10 pa 1 Marichi 2022, yomwe idayamba ngati bizinesi yaying'ono m'nyumba yaying'ono, tsopano idakhala wopanga zida za RF microwave. Jingxin idakhazikitsidwa ndi Bambo Chao Yang mu 2012. Kuchokera apa, bizinesiyo idakula mwachangu ...Werengani zambiri -
Kufunika kwa dB pakupanga kwa RF
Pamaso pa chiwonetsero cha polojekiti ya mapangidwe a RF, amodzi mwamawu odziwika bwino ndi "dB". Kwa injiniya wa RF, dB nthawi zina imakhala yodziwika bwino monga dzina lake. dB ndi gawo la logarithmic lomwe limapereka njira yosavuta yofotokozera mareyiti, monga chiŵerengero cha pakati pa siginecha yolowetsa ndi...Werengani zambiri -
LoRa VS LoRaWan
LoRa ndi lalifupi la Long Range. Ndi ukadaulo wapamtunda wocheperako, wolumikizana nawo 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
Katundu wamagetsi otsika kwambiri, otsika kwambiri a PIM Termination Load, kuphatikiza otsika-intermodulation attenuation unit komanso mphamvu yotsika yapakatikati yolumikizira mphamvu yolumikizidwa ndi kutulutsa kwapang'ono-intermodulation attenuation unit. 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 zigawo zapabowo, zosefera pamitsempha, ma cavity couplers ndi hybrid, ndi zida za microstrip makamaka ...Werengani zambiri
