Litaba

Nako: 2021-11-10

A sefe sa band-passmesebetsi:

Sefe e loketseng e lokela ho ba le lebanta la ho fetisa le bataletseng ka ho felletseng, mohlala, ha ho na keketseho lebanta la ho fetisa kapa ho fokotseha maqhubung ohle a kantle ho lebanta la ho fetisa ho fokotseha ka ho felletseng. Ho phaella moo, phetoho ea lebanta la ho fetisa ka har'a lebanta le lenyenyane haholo la maqhubu ho phetheloa. Ha e le hantle, ha ho na sefe se loketseng sa ho fetisa lebanta. Sefe ha se khone ho lebella hore maqhubu ohle a ka ntle ho lebanta la maqhubu a fokotsehe ka ho feletseng, haholo-holo, ho na le lebanta le lokelang ho fokotsoa empa e seng lebanta le arohaneng. Hangata sena se bitsoa ketsahalo ea ho phutholla lebanta la ho hlakola, 'me ho fokotseha ka dB ka leshome ho emela. Ka tloaelo, moralo oa sefe o leka ho netefatsa hore ho phutholla ho fokotsa boholo ba ts'ebetso e betere ea moralo o joalo oa sefe e haufi. Leha ho le joalo, ha lebanta la ho phutholla le ntse le fokotseha le ho feta, lebanta la ho fetisa ha le sa bataletse - le ile la qala ho bonahala le "robeha". Ketsahalo ena e bonahala haholo moeling oa lebanta la ho fetisa, phello ena e bitsoa ketsahalo ea Gibbs.

Sefa sa lesoba

Sefe ea cavity ke sefe ea microwave e nang le sebopeho sa cavity se nang le resonant. Cavity e ka lekana le inductance e tsamaeang le capacitor ho theha mohato oa resonant ho phethahatsa mosebetsi oa ho sefa oa microwave. Ha e bapisoa le mefuta e meng ea li-filter tsa microwave, sefe ea cavity e na le sebopeho se tiileng, ts'ebetso e tsitsitseng le e tšepahalang, boleng bo phahameng ba Q, ho qhala mocheso hantle, 'me lebanta la eona la parasitic la maemo a holimo le hole haholo. Ka hona, ho sefa cavity ho sebelisoa liteisheneng tse kholo tsa motheo oa puisano. Tšebeliso ea sesebelisoa e tloaelehile haholo.

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