High frequency band pass mafirita zvigadziriso zvemagetsi zvakagadzirirwa kubvumira chete huwandu hwemhando yepamusoro masaini masaini kuti apfuure uchidzikisa masaini pama frequency ari kunze kweiyo renji. Aya mafirita anowanzo shandiswa mumasisitimu ekutaurirana, maodhiyo emidziyo, uye mamwe maapplication emagetsi anoda chaiyo frequency mhinduro. Muchinyorwa ichi, isu tichaongorora akakosha maficha epamusoro frequency band pass mafirita, kusanganisira yavo frequency mhinduro, bandwidth, uye Q-factor.
Frequency Response: Mhinduro yefrequency yeyakakwira frequency bhendi pass sefa inotaridza kuti inodzikisa sei masaini pama frequency kunze kwepassband uye kuti inokwirisa masaini mukati mepassband. Iyo yakanyatsogadzirwa yakakwira frequency band pass sefa ichave nekupinza shanduko pakati pepassband uye stopband, ine kushoma ripple mupassband. Chimiro chefrequency response curve inotemerwa nedhizaini yefirita, uye inogona kuratidzwa nepakati frequency frequency uye bandwidth yayo.
Bandwidth: Iyo bandwidth yeyakakwira frequency bhendi pass sefa ndiyo huwandu hwema frequency anotenderwa kupfuura nepasefa ine kushoma attenuation. Inowanzo kutsanangurwa semusiyano uripo pakati pepamusoro nepasi -3 dB frequencies, ayo ari mafrequency ekuti simba rekubuda resefa rinoderedzwa ne50% maererano nehukuru hwesimba mupassband. Iyo bandwidth yeyakakwira frequency band pass sefa ndiyo yakakosha parameter inosarudza kusarudza kwayo uye kuti inogona sei kuramba zvikwangwani zvisingadiwe kunze kwepassband.
Q-Factor: Iyo Q-factor yeyakakwira frequency bhendi pass sefa chiyero chekusarudza kwayo kana kupinza kweiyo sefa frequency mhinduro. Inotsanangurwa seyero yepakati frequency kune bandwidth. Iyo yakakwirira Q-factor inoenderana neyakatetepa bandwidth uye inopinza frequency mhinduro, nepo yakaderera Q-factor inoenderana neyakakura bandwidth uye zvishoma nezvishoma frequency mhinduro. Iyo Q-chinhu chepamusoro-frequency band pass sefa ndiyo yakakosha parameter inotaridza kuita kwayo mukuramba masaini asingadiwe kunze kwepassband.
Kurasika Kwekupinza: Kurasika kwekuisa kweyakakwira frequency bhendi pass sefa ndiyo huwandu hwekuyeredzwa kwechiratidzo kunoitika kana chiratidzo chichipfuura nepasefa. Iyo inowanzo kuratidzwa muma decibel uye chiyero chekuti yakawanda sei iyo sefa inoderedza masaini mupassband. Iyo yakanyatsogadzirwa yakakwira frequency band pass sefa inofanirwa kuve nekushomeka kwekuisa kurasikirwa mupassband kudzivirira kudzikisira chiratidzo chemhando.
Impedance Matching: Impedance kuenzanisa chinhu chakakosha chepamusoro frequency band pass mafirita, kunyanya mumasisitimu ekutaurirana. Iyo yekupinza uye inoburitsa impedance yefirita inofanirwa kufananidzwa kune sosi uye kurodha impedance kudzikisa zviratidzo zvechiratidzo uye kukwidziridza kufambisa kwechiratidzo. Iyo yakanyatso kufananidzwa yakakwirira frequency band pass sefa ichave nekushomeka kwechiratidzo kurasikirwa uye kukanganisa.
Mukupedzisa, yakakwirira frequency bhendi pass mafirita zvinhu zvakakosha mumaseketi emagetsi anoda chaiyo frequency mhinduro. Mamiriro avo akakosha anosanganisira yavo frequency mhinduro, bandwidth, Q-factor, kurasikirwa kwekuisa, uye impedance yekufananidza. Iyo yakanyatsogadzirwa yakakwira frequency band pass sefa inofanirwa kuve yakapinza frequency mhinduro, yakamanikana bandwidth, kushoma yekuisa kurasikirwa, uye impedance yekufananidza kuti ive nechokwadi chekuita kwakakwana.
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Nguva yekutumira: May-10-2023
