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Zaɓin Filters Daban-daban

Dangane da halaye na tushen tsangwama, kewayon mitar, ƙarfin lantarki da impedance da sauran sigogi da halaye na buƙatun, zaɓin da ya dace na masu tacewa, gabaɗaya la'akari:
Na ɗaya, ana buƙatar filtar katsalandan na lantarki na iya saduwa da halayen attenuation da buƙatun asarar buƙatu na buƙatun nauyi a cikin rukunin mitar aiki daidai, kuma idan adadin attenuation na tacewa ba zai iya biyan buƙatun ba, ana iya amfani da shi azaman multistage. sami mafi girma attenuation fiye da guda mataki, daban-daban tace cascade, iya samun mai kyau attenuation halaye da saka asara a cikin broadband band.

Na biyu, don saduwa da mitar da'ira mai ɗaukar nauyi da kuma buƙatar danne yawan buƙatun, idan mitar da za a danne da yawan sigina masu amfani yana da kusanci sosai, dole ne a sami halayen mitar mita mai tsayi sosai. tace, don saduwa da matsewar mitar tsangwama tacewa, ba da damar amfani da buƙatun siginar mitar mai amfani.Na uku, a cikin mitar da ake buƙata, ƙwanƙwasa na EMI tace RFI dole ne ya dace da ƙwanƙwasa tushen tsoma baki da kuma nauyin nauyin da aka haɗa da shi, kuma idan nauyin yana da girma, ƙarfin fitarwa na wutar lantarki ya kamata ya zama ƙananan juriya, kuma idan wutar lantarki ko tsangwama tushen impedance ne low impedance, da fitarwa impedance na tace ya zama babban juriya.

Idan ikon impedance ko tsangwama tushen impedance ne ba a sani ba ko canje-canje a cikin babban kewayon, da wuya a samu barga tacewa halaye, domin samun tace yana da kyau in mun gwada da barga tacewa halaye, na iya zama a cikin tace shigarwa da fitarwa, a lokaci guda sannan kuma tsayayyen resistor.

Hudu, tacewa dole ne ya sami wani juriya na matsa lamba, bisa ga samar da wutar lantarki da kuma tsoma baki na tushen wutar lantarki don zaɓar matatun wutar lantarki, don ya sami isasshen ƙarfin lantarki, don tabbatar da cewa duk yanayin aiki da ake sa ran zai iya zama amintaccen aiki. , zai iya jure tasirin shigar da matsa lamba nan take.Biyar, matattarar wutar lantarki tana ba da izinin wucewa ta kasance daidai da ƙimar halin yanzu da ke gudana a ci gaba da kewayawa.

Babban ƙayyadaddun ƙayyadaddun halin yanzu zai ƙara ƙara da nauyi na tacewar EMI, kuma ƙarancin ƙayyadaddun halin yanzu zai rage amincin tacewar EMI.Shida, matattarar wutar lantarki ya kamata ya sami isasshen ƙarfin injin, tsari mai sauƙi, nauyi mai sauƙi, ƙaramin girman, sauƙin shigarwa, aminci da abin dogaro.


Lokacin aikawa: Maris-30-2021