Nkhani

Nthawi: 2021-11-10

A band-pass fyulutantchito:

Zosefera zabwino ziyenera kukhala ndi passband yosalala kwathunthu, mwachitsanzo, palibe phindu mu passband kapena kutsitsa pamafuriji onse kunja kwa passband kumalepheretsanso Kuwonjezera, kutembenuka kwa gulu lodutsa mumayendedwe ang'onoang'ono pafupipafupi kuti amalize. M'malo mwake, palibe fyuluta yabwino ya band-pass. Zosefera sizingathe kuyembekezera kuti ma frequency onse kunja kwa ma frequency achepetse kwathunthu, makamaka, pali bandi yocheperako koma osadzipatula. Izi nthawi zambiri zimatchedwa kuti fyuluta-off phenomenon, ndi kuchepa kwa dB pazaka khumi kuyimira. Nthawi zambiri, mawonekedwe a fyuluta amayesa kuwonetsetsa kuti rolloff ichepetse kuchuluka kwa magwiridwe antchito amtundu woterewu. Komabe, ndi mtundu wa roll-off umakhala wocheperako komanso wocheperako, gulu lodutsa silikhalanso lathyathyathya - linayamba kuwoneka ngati "ripple". Chodabwitsa ichi chikuwonekera makamaka pamphepete mwa passband, zotsatirazi zimatchedwa Gibbs phenomenon.

Fyuluta yam'mimba

Fyuluta ya cavity ndi fyuluta ya microwave yokhala ndi mawonekedwe omveka bwino. Mphuno imatha kukhala yofanana ndi inductance yofanana ndi capacitor kuti ipange gawo lomveka kuti lizindikire ntchito yosefera ya microwave. Poyerekeza ndi mitundu ina ya zosefera za microwave, fyuluta ya patsekeke imakhala ndi mawonekedwe olimba, okhazikika komanso odalirika, mtengo wapamwamba wa Q, kutentha kwabwino, komanso chiphaso chake cha parasitic chakutali. Chifukwa chake, kusefa kwamkati kumagwiritsidwa ntchito m'malo akulu olumikizirana. Kugwiritsa ntchito chipangizocho ndikofala kwambiri.

Sichuan Keenlion Microwave ndi amodzi mwa ogulitsa zida za RF/Microwave. Zogulitsa zazikulu ndi zogawa mphamvu, zosefera za band pass, coupler, duplexer. Makamaka zinthu zotsatirazi ndi microstrip power divider, directional coupler, band pass fyuluta, Hybrid Bridge, Microwave Isolator, Microwave Circulator, Passive Components VHF Duplexer, Combiner, ndi zina zotero. Sichuan Keenlion Microwave yakhala kampani yamakono ya R & D, kupanga, malonda ndi ntchito. Zogulitsazi zimagwiritsidwa ntchito kwambiri pakupanga paradio, televizioni ya digito, njira yolumikizirana ndi microwave (GSM, 3G, Wimax, LTE), makina a radar ndi zinthu zosiyanasiyana za RF syste.Sichuan Keenlion Microwave zimagulitsidwa padziko lonse lapansi ndipo zimayamikiridwa. Monga m'modzi mwa opanga ndi kutumiza kunja kwa microwave, mbiri ya msika wa Sichuan Keenlion Microwave, njira zambiri zamabizinesi, maziko olimba amakasitomala komanso kupikisana kwamphamvu pamsika.

Titha kusinthanso magawo a rf passive malinga ndi zomwe mukufuna. Mutha kulowa patsamba losintha kuti mupereke zomwe mukufuna.
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