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Koyi Game da Tacewar Tasha Tsayawa

TheBand Tsaida Tace, (BSF) wani nau'in mitar zaɓen kewayawa ne wanda ke aiki daidai da sabanin hanyar Band Pass Filter da muka duba a baya. Tasha tasha band, wanda kuma aka sani da band reject filter, yana wuce duk mitoci ban da waɗanda ke cikin ƙayyadadden band ɗin tasha waɗanda aka rage sosai.

Idan wannan rukunin tasha yana da kunkuntar sosai kuma an rage shi sosai a kan ƴan hertz, to ana kiran fil tasha tasha a matsayin matattara mai daraja, kamar yadda amsawar mitar ta ke nuna cewa na ƙima mai zurfi tare da zaɓi mai girma (tsayi mai tsayi) maimakon madaidaicin faffadan band.

Hakanan, kamar yadda matattarar band ɗin wucewa, tashar tasha (band ƙi ko ƙima) tace shine tsari na biyu (pole-biyu) tace yana da mitoci biyu masu yankewa, wanda akafi sani da -3dB ko maki-rabin iko yana samar da bandwidth mai faɗi mai faɗi tsakanin waɗannan maki biyu -3dB.

Sa'an nan kuma aikin tace tasha na band ya wuce duk waɗannan mitoci daga sifili (DC) har zuwa farkon (ƙananan) yanke mitar mitar ƒL, kuma ya wuce duk waɗannan mitoci sama da na biyu (na sama) yanke mitar mitar ƒH, amma toshe ko ƙi duk waɗannan mitoci a tsakanin. Sai kuma tace bandwidth, BW an ayyana shi da: (ƒH – ƒL).

Don haka don tace tasha mai fadi-band, madaidaicin taswirar tasha ta ta'allaka ne tsakanin ƙananan maki -3dB na sama da na sama yayin da yake raguwa, ko ƙin kowane mitar tsakanin waɗannan mitoci biyun da aka yanke. Don haka ana ba da lanƙwan martanin mitar mai madaidaicin tasha tasha.

A manufaband tasha tacezai sami raguwa mara iyaka a cikin tashar tasha da sifili a cikin ko wanne band ɗin wucewa. Canjin tsakanin maɓallan wucewa guda biyu da madaurin tsayawa zai kasance a tsaye (bangon tubali). Akwai hanyoyi da yawa da za mu iya tsara "Band Stop Filter", kuma dukansu suna cika manufa ɗaya.