KumiswaIsayensi

Izimiso ezisebenza we Transistor

Transistor - idivayisi eyehlayo on Semiconductors e electronics. It yenzelwe ukuguqulwa kanye yokukhulisa yezinzwa. Kunezinhlobo ezimbili zama-amadivayisi: a Transistor okuguquguqukayo kanye Transistor unipolar noma insimu.

Uma Transistor ezimbili zama kwenkokhiso abathwali Umsebenzi kanyekanye - izimbobo kanye electron, ibizwa ngokuthi okuguquguqukayo. Uma Transistor ingenye kuphela uhlobo kwenkokhiso, kuba unipolar.

Cabanga nje ngomsebenzi amanzi avamile empompini. Kuvulwe umshudo - kwamanzi lenyuka, waphenduka ezinye indlela - ukunciphisa noma ukuyeka ukugeleza. Cishe lena isimiso okusebenzela kuyo Transistor. electron kuphela esikhundleni amanzi ugeleza therethrough. Umgomo we operation ye okuguquguqukayo Transistor uhlobo libhekene yokuthi ngokusebenzisa le divayisi ngogesi futhi izinhlobo ezimbili zezinkantolo yamandla. Basuke ihlukaniswe okusezingeni eliphezulu, noma eziyisisekelo futhi encane, noma imenenja. Kulokhu wamanje ukulawula kuthinta nomthamo amandla main. Cabanga a Transistor ensimini umphumela. Umgomo we operation yayo yehlukile abanye. Sidlule eyodwa kuphela okukhiphayo zamanje okuyinto incike ambient ensimini kagesi.

I Transistor okuguquguqukayo wenziwe 3 Izendlalelo Semiconductor, kanye, okubaluleke kakhulu, ezimbili PN-kokuhlangana. Kuyadingeka ukuhlukanisa phakathi PNP futhi NPN ukuhwebelana futhi, ngakho-ke, futhi transistors. Lezi Semiconductors kuthiwa kushintshana electron futhi imbobo conduction.


I Transistor okuguquguqukayo has ezikhumulweni ezintathu. Lokhu base contact, ushiya ungqimba isikhungo, futhi electrode amabili emaceleni esembatho - emitter futhi ngalendoda. Uma kuqhathaniswa nalaba electrode amabili kakhulu base ungqimba mncane kakhulu. Kanye imiphetho esifundeni Transistor we Semiconductor akuyona izinhlangothi zazo ziyalingana. ungqimba Semiconductor ngokufanele ohlangothini ngalendoda nokuqhutshwa efanele kule divayisi kufanele ake kancane, kodwa mkhulu ziqhathaniswa uhlangothi emitter.

Transistor izimiso ukusebenza zisekelwe izinqubo zemvelo. Ake sisebenze imodeli PNP. NPN imodeli izosebenza efanayo ngaphandle polarity of the voltage phakathi izakhi eziyisisekelo ezifana ngalendoda kanye emitter. Kuzoba kolunye uhlangothi.

Into P-uhlobo yakhiwa umgodi noma ion kahle icala. N-uhlobo izidakamizwa sakhiwa electron omubi icala. Ngo inombolo yethu Transistor ka emigodini F esifundeni inkulu kakhulu kunangendlela inani electron N.

Uma uxhuma umthombo voltage phakathi izingxenye ezifana emitter futhi ngalendoda of izimiso operation Transistor zisekelwe yokuthi izimbobo bakhangwa isigxobo nokubuthelela eduze emitter. Kodwa wamanje ingahambi. Inkambu kagesi emthonjeni voltage awufiki ngalendoda ngoba obukhulu Semiconductor emitter ungqimba kanye ungqimba base Semiconductor.
Khona-ke ukuxhuma umthombo voltage nge inhlanganisela ezehlukene ebese, okungukuthi base futhi emitter. Manje izimbobo ithunyelwa database futhi baqala ukuhlanganyela no- electron. I Ingcenye ephakathi yesigaba base elicwile izimbobo. Imiphumela iba yinhlanganisela yokukhandleka imisinga ezimbili. Big - kusukela emitter kuya ngalendoda, amancane - kusukela kumila kuya emitter.

Nge ukwanda voltage database ungqimba N kuyoba izimbobo nakakhulu, ukwandisa base wamanje, lamanje emitter kuzokhuphula kancane. Lokhu kusho ukuthi noshintsho oluncane nje ohlelweni base wamanje sina ngokwanele iyakhula emitter zamanje. Umphumela iyisiginali ukukhula endaweni Transistor okuguquguqukayo.

Cabangela izimiso Transistor kuye imodi esebenzayo. Hlukanisa kumodi evamile esebenzayo, imodi esebenzayo ephambene, ukugcwaliswa, cutoff imodi.
Ngo imodi esebenzayo, kuhlangana emitter ivulekile futhi ivalwe ngalendoda okuhlangana kuyo. In the mode kombhala, konke kwenzeka kunalokho.

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