Nā palena nui o MOSFET a me ka hoʻohālikelike me nā triodes

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Nā palena nui o MOSFET a me ka hoʻohālikelike me nā triodes

Hoʻopau ʻia ʻo Transistor Field EffectMOSFET.He elua mau ano nui: junction field effect tubes metal-oxide semiconductor field effect tubes. ʻIke ʻia ka MOSFET he transistor unipolar me ka hapa nui o nā mea lawe i komo i ka conductivity. ʻO lākou nā mea hana semiconductor i hoʻomalu ʻia i ka volta. Ma muli o kona kūpaʻa hoʻokomo kiʻekiʻe, haʻahaʻa haʻahaʻa, haʻahaʻa ka hoʻohana ʻana i ka mana, a me nā hiʻohiʻona ʻē aʻe, e lilo ia i mea hoʻokūkū ikaika i nā transistors bipolar a me nā transistors mana.

WINSOK TO-3P-3L MOSFET

I. Nā palena nui o MOSFET

1, nā ʻāpana DC

Hiki ke ho'ākāka 'ia ke au wai hoʻoheheʻe e like me ke au o ka hoʻoheheʻe ʻana i ka wā e like ai ka volta ma waena o ka ʻīpuka a me ke kumu me ka ʻole a ʻoi aku ka nui o ka volta ma waena o ka wai a me ke kumu ma mua o ka volit-off.

Pinch-off voltage UP: Pono ka UGS e hōʻemi i ka ID i kahi manawa liʻiliʻi ke maopopo ka UDS;

Uku uila UT: Pono ʻo UGS e lawe i ka ID i kahi waiwai inā maopopo ka UDS.

2、Ac Nā ʻāpana

ʻO ka transconductance haʻahaʻa haʻahaʻa gm : Hōʻike i ka hopena hoʻomalu o ka puka a me ke kumu uila ma ke kahawai wai.

Inter-pole capacitance: ka capacitance ma waena o nā electrodes ʻekolu o ka MOSFET, ʻoi aku ka liʻiliʻi o ka waiwai, ʻoi aku ka maikaʻi o ka hana.

3、Ka palena palena

E hoʻokahe i ka wai, ke kumu hoʻoheheʻe uila: i ka wā e piʻi nui ai ke kahawai, e hoʻohua mai ia i ka haki ʻana i ka wā o ka UDS.

ʻO ka puʻupuʻu haʻihaʻi ʻīpuka: ʻo ka hui ʻana i ka pā hopena i ka hana maʻamau, ka ʻīpuka a me ke kumu ma waena o ka hui PN i ka mokuʻāina hoʻohuli, ʻoi aku ka nui o kēia manawa e hana i ka haki.

WINSOK TO-263-2L MOSFET

II. Nā hiʻohiʻona oMOSFET

He hana hoʻonui ka MOSFET a hiki ke hana i kahi kaapuni i hoʻonui ʻia. Ke hoʻohālikelike ʻia me kahi triode, loaʻa iā ia nā ʻano aʻe.

(1) ʻO ka MOSFET he mea hoʻomalu uila, a ua hoʻomaluʻia ka mana e UGS;

(2) He mea liʻiliʻi loa ke ʻano o kēia manawa ma ka hoʻokomo ʻana o ka MOSFET, no laila ua kiʻekiʻe loa kona kūpaʻa hoʻokomo;

(3) Maikaʻi kona kūpaʻa wela no ka mea hoʻohana ʻo ia i nā mea lawe nui no ka conductivity;

(4) ʻOi aku ka liʻiliʻi o ka coefficient amplification voltage o kona kaapuni hoʻonui ma mua o ka triode;

(5) ʻOi aku ka pale ʻana i ka radiation.

Ke kolu,MOSFET a me ka hoʻohālikelike transistor

(1) MOSFET kumu, puka, wai a me ka triode kumu, kumu, hoonoho helu pou e pili ana i ka hana o ka like.

(2) ʻO MOSFET kahi mea mana e hoʻomalu ʻia i kēia manawa, liʻiliʻi ka coefficient amplification, maikaʻi ʻole ka mana amplification; ʻO ka triode kahi mea uila e hoʻomalu ʻia i kēia manawa, ikaika ka mana amplification.

(3) ʻAʻole lawe ka puka MOSFET i kēia manawa; a me ka hana triode, e komo ke kumu i kekahi au. No laila, ʻoi aku ka kiʻekiʻe o ka hoʻokomo ʻana o ka puka MOSFET ma mua o ke kūpaʻa hoʻokomo triode.

WINSOK DFN2X5-6L MOSFET

(4) ʻO ke kaʻina hana conductive o MOSFET ke komo ʻana o ka polytron, a ʻo ka triode ke komo ʻana o nā ʻano mea lawe ʻelua, polytron a me oligotron, a ʻo kona ʻano oligotron e hoʻopilikia nui ʻia e ka mahana, radiation a me nā mea ʻē aʻe, no laila, MOSFET ʻoi aku ka maikaʻi o ke kūpaʻa wela a me ka pale ʻana i ka radiation ma mua o ka transistor. Pono e koho ʻia ka MOSFET i ka wā e loli nui ai nā kūlana kaiapuni.

(5) Ke hoʻopili ʻia ʻo MOSFET i ka metala kumu a me ka substrate, hiki ke hoʻololi ʻia ke kumu a me ke kahawai a ʻaʻole loli nui nā ʻano, ʻoiai ke hoʻololi ʻia ka ʻohi a me ka emitter o ka transistor, ʻokoʻa nā ʻano a me ka waiwai β. ua hoemiia.

(6) He liʻiliʻi ka leo o MOSFET.

(7) Hiki i ka MOSFET a me ka triode ke hoʻohui i nā ʻano ʻāpana amplifier a me nā kaapuni hoʻololi, akā hoʻopau ka mea mua i ka liʻiliʻi o ka mana, ke kūpaʻa wela kiʻekiʻe, ka laulā o ka hāʻawi uila, no laila ua hoʻohana nui ʻia i ka nui a me ka ultra-nui- kaapuni huikau unahi.

(8) He nui ka on-resistance o ka triode, a he liʻiliʻi ka on-resistance o ka MOSFET, no laila hoʻohana mau ʻia nā MOSFET e like me nā hoʻololi me ka ʻoi aku ka maikaʻi.


Ka manawa hoʻouna: Mei-16-2024