Nūhou

Nā kānana RF a me Microwavehoʻohana ʻia e kānana i nā hōʻailona makemake ʻole mai ke komo ʻana i kahi ʻōnaehana. Me ka hoʻonui ʻana o nā maʻamau uea ʻole i nā ʻāpana alapine e kū nei, ke pāʻani nei nā kānana i kahi kuleana koʻikoʻi a koi ʻia e hōʻemi i ke keakea. Hoʻolālā ʻia lākou e hana ma nā alapine kikoʻī a ʻae / attenuator RF hōʻailona ma nā alapine like ʻole. Loaʻa i nā kānana RF ʻelua ʻano o nā kaha alapine - passband a me stopband. Hiki i nā hōʻailona e waiho ana i ka passband ke hele me ka liʻiliʻi o ka attenuation aʻo nā hōʻailona e waiho ana i ka stopband e ʻike i ka attenuation kaumaha.

KānanaʻAno: Aia kekahi mau ʻano ʻano o nā kānana RF - Nā kānana Band Pass, nā kānana Low Pass, nā kānana Band Stop, nā kānana High Pass etc. Ke hana nei kēlā me kēia ʻano ma ke ʻano ʻokoʻa.

ʻenehana: Ma muli o ka noi koi a me ka nui o ka ʻōnaehana uila he nui nā ʻano kānana - Notch Filters, SAW Filters, Cavity Filters, Waveguide Filters a me nā mea ʻē aʻe.

ʻO Passband Frequency (MHz): ʻO kēia ke alapine e hiki ai i nā hōʻailona ke hele me ka liʻiliʻi o ka attenuation.

Stopband Frequency (MHz): ʻO kēia ka laina alapine kahi i hoʻemi ʻia ai nā hōʻailona. ʻO ke kiʻekiʻe o ka attenuation ʻoi aku ka maikaʻi. Kapa ʻia kēia ʻano kaʻawale.

Nalo hoʻokomo (dB): ʻO ia ka nalowale i ka wā e hele ana kahi hōʻailona ma ka laulā alapine passband. ʻO ka haʻahaʻa o ka poho hoʻokomo ʻoi aku ka maikaʻi o ka hana kānana.

ʻO ka hoʻokuʻu ʻana i ka bandana (dB): ʻO ia ka attenuation i ʻike ʻia e nā hōʻailona e waiho ana ma ka pahu pani o kahi kānana i hāʻawi ʻia. Hiki ke ʻokoʻa ka nui o ka attenuation e kū nei i nā hōʻailona e like me ko lākou alapine.

ʻO nā mea āpau a RF i papa inoa i nā kānana RF mai nā mea hana nui i ka ʻoihana. E koho i kahi ʻano kānana a laila e hoʻohana i nā mea hana ʻimi parametric e like me Frequency, Insertion Loss, Package Type and Power e hōʻemi i nā kānana e pili ana i kāu koi. E kiʻi i ka ʻikepili a nānā i nā kikoʻī huahana e ʻike i ka kānana kūpono no kāu noi.

Hiki iā mākou ke hana i nā ʻāpana passive rf e like me kāu mau koi. Hiki iā ʻoe ke komo i ka ʻaoʻao hoʻoponopono e hāʻawi i nā kikoʻī āu e pono ai.
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