O ka 'ike loea houUila no

Hawaii kahi: i ka maikaʻi, a me ka maoli

Ka papa kahi (IT) hiki ke manao like kekahi lolouila mea i lawe i loko o ka mawaho kaapuni uilaʻikena, i mea kuokoa o ke anakahi uila ma luna o ka huakai kaapuni hehee wale, a me iho.

IT hanohano nō hoʻi hiʻona o kona nui (maikaʻi loa aloha pauʻole,) maloko ia'ku R ext. No ke aha la pela?

E mai manao wale ia mākou makemake i kekahi, 100% o ka mana mai ka mana kumu a hiki i ka haawe. He He hoolilo o ka ikehu.

E hoopakele mai ia 100% o ka mana mai ke kumu a hiki i ka haawe pono e māhele aku ia'ku i loko o ke kaapuni no laila, e like me ke kiʻi i ka loaa mana. Kēia kaʻina ua kapaia splitting paialewa.

O kēia mau penei ka shortest alanui, koho i ka ala o ka liʻiliʻi loa e kū'ē'ē mai. No laila, i loko o mākou hihia, ke i e hoʻonohonoho i ke kumu, a me ka haawe ana i loko o ia ke ala i ka mea mua mai ka nui kiekie ia'ku ma mua o ka lua.

Kēia e hōʻoiaʻiʻo ana i ke kala pono i hoʻolako 'ia e ke kumu a hiki i ka haawe. A no ke aha la ke hana i keia hana, i ka maikaʻi he kumu, he mana loa maloko e kū'ē'ē mai. Kēia i nāʻikena pele, mai IT ma ka shortest ala, i mea, ma ka haawe.

Mai ka R ext kahi mea mana loa, i ke auoiaea pono, mai ka mea e hoʻololi (eia nae hoʻololi i ka haawe ia'ku cia). O kēia, e mau ho'āʻo e kahe ana ma ka infinitely IT haaweʻaoʻao ia'ku, me he kŘpa a haʻahaʻa e kū'ē'ē mai. Kēia pakuhi, hōʻike he maikaʻi ia auoiaeaʻikena kumu.

Me ka infinitely nui maloko ia'ku IT kekahi loli haawe impedance nā loina i ole ia i kahe ana i loko o ka mawaho kaapuni ana o ka maikaʻi kumu i ka nui o kaʻikena.

Mana loa impedance mea Hoʻohaku i ka kaulahao a me ka malama ole ae i ka loli he (mamua o ka haawe impedance fluctuation).

E ka noonoo i ke ano a me ka maikaʻiʻikena kumu, i hoikeia ma lalo nei.

E like me ka mea, ua mana loa ia'ku, e kahe ana mai ka kumu pono, kūnihi, e imi i ke ala o ka liʻiliʻi loa ia'ku, i mea 8Ω-Nye haawe ana. A pau i ka pono, mai ka mea he kumu (100 Mā) kahe ana ma ka haawe mea pale mū holapū 8Ω. Kēia mea he laʻana o ka maikaʻi hihia 100% ka ikehu ka hoʻokōʻana.

Ano, e ka noonoo i ke ano a me ka makemake IT (i hoikeia ma lalo nei).

Kēia kumu i ka ia'ku o 10 megohms, i mea i lawa ke kiekie no ka hōʻoia 'ʻikena mea kokoke loa i ka piha waiwai o 100 Mā kumu, akā, ma keia hihia e haawi IT 100% o kona nona iho.

Kēia mea, no ka mea maloko ia'ku o ke kumu, e koho i kekahi o ka papa, no laila ia eia kahi mea akaka kekahi kulu.

Ua hiki e pōpilikia hoʻohana 'ana i kēia cleavage.

Kumu nā mea hōʻike aku 100 MA. Kēia au i laila, puʻunaueʻia ma waena o nā resistors 10 MOhm kumu a me 8Ω wahie.

A noʻonoʻo i ka ho omaulia ke hooholo i o ka pono kahe ana ma ka haawe impedance 8Ω

I = -100 Mā 100 Mā (8x10 -6 MΩ / 10MΩ) = 99.99mA.

'Oiai, kāohi maikaʻiʻikena kumu hakuʻole, ka mea malama i ke kumu hoʻohālike no ka hana ana i maoli IT kokoke iā ia i loko o kā lākou mau' ano.

Ma ka hana pono, acee? Iuo oeiia o ka mana kumu, okoa ka hana 'enekinia pāʻoihana. Ke simplest IT ke malama i ke anakahi uila kahi kaapuni me ka mea pale mū holapū pili ia. Kēia Lolina ua kapaia resistive.

Ka papa kahi o ka loa maikai quality, e hiki ke kūkulu i ka pākali hoʻolele. Aia ka hoi ka makepono pūkaʻina he kumu kahua kanawai pākali hoʻolele, i mea he FET me ka wale pn huina a me ka puka i pili i ke kumu.

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