Fotokozani mwachidule magawo a magwiridwe antchito a RF isolators

Mu machitidwe a RF, ntchito yayikulu yaZolekanitsa za RFNdi kupereka kapena kukulitsa luso lodzipatula panjira zosiyanasiyana za ma signal. Ndi circulator yabwino yomwe imathetsedwa ndi kufananiza impedance pa imodzi mwa ma doko ake. Nthawi zambiri imagwiritsidwa ntchito mu radar systems kuteteza ma circuits ofunikira kumapeto kwa ma receptor kuti apewe kusokonezedwa ndi ma signal otumizidwa amphamvu kwambiri, motero zimapangitsa kuti ma signal otumizidwa ndi olandiridwa azitha kuchotsedwa bwino. Nkhaniyi ikukuthandizani kumvetsetsa magawo ofunikira a magwiridwe antchito aZolekanitsa za RF.

一. Tanthauzo
Zolekanitsa za RFkwenikweni ndi mtundu wapadera waZozungulira za RF, momwe doko limodzi (nthawi zambiri kumapeto kwa njira yobwerera m'mbuyo kwa unyolo wa chizindikiro) limathetsedwa ndi katundu wofanana kuti akwaniritse kutumiza zizindikiro molunjika. Zimangolola zizindikiro kudutsa mbali yokonzedweratu pamene zikuletsa kuwunikira, phokoso kapena zizindikiro zosokoneza kuchokera mbali yobwerera, motero zimapangitsa kuti ulalo wakale ukhale wosiyana.

Zolekanitsa za RF or zozungulira magaziKawirikawiri ndi zipangizo za ferrite zomwe zimatsogolera mafunde a electromagnetic kuchokera kumapeto kwa input kupita mbali inayake kudzera mu configuration ndi output ya maginito yomwe ili pafupi.

Poyerekeza ndi zosungunula zomwe zasinthidwa kuchokera kuzinthu zachizoloweziZozungulira za RFZipangizo zomwe zimapangidwira makamaka cholinga chodzipatula nthawi zambiri zimakhala zazing'ono komanso zosavuta kuziphatikiza. Kugwira ntchito kwake kodzipatula kumakhudzidwa mwachindunji ndi mtundu wa kufananiza kwa terminal.

Chodzipatula chapamwamba kwambiri, Kudzipatula (12-14dB), 18 mpaka 40GHz

二. Magwiridwe antchito
Zizindikiro zazikulu za magwiridwe antchito aZolekanitsa za RFkuphatikizapo:

Mafupipafupi (Hz)

Kusakhazikika (Ω)

Kutayika kwa kuyika (dB)

Kudzipatula (dB)

Chiŵerengero cha mafunde oima pa voliyumu (VSWR)

Mphamvu yoyendetsera mphamvu patsogolo (mafunde osalekeza kapena pachimake)

Mphamvu yogwiritsira ntchito mphamvu yosinthira (mafunde osalekeza kapena pachimake)

Mtundu wa cholumikizira

Pakati pawo, kudzipatula ndi chimodzi mwa zinthu zofunika kwambiri, zomwe zimasonyeza kuchuluka kwa kulumikizana pakati pa njira za RF mu ma decibel (dB). Mtengo ukakhala wapamwamba, kulumikizana pakati pa zizindikiro kumakhala kochepa ndipo zotsatira zake zimakhala zabwino. Popeza kulumikizana kwa maginito amagetsi kuli kofala m'njira zonse zoyendetsera magetsi, ndikofunikira kwambiri kusunga kudzipatula kwakukulu pakati pa njira mu njira zolumikizirana zolondola kwambiri kapena zomvera.

Kuphatikiza apo, malinga ndi zofunikira zosiyanasiyana zogwiritsira ntchito,zolekanitsaayeneranso kukhala ndi mphamvu yoyenera yogwiritsira ntchito mphamvu, VSWR yochepa, kapangidwe kolumikizira kodalirika kwambiri, kukula koyenera, komanso kutentha kosinthika, zomwe zingakhudze magwiridwe antchito awo m'zochitika zenizeni. Mphamvu yayikulu kwambiri ya chopatulira ikhozanso kuchepetsedwa ndi mawonekedwe a katundu wotha ntchito.