Transistor parameters thiab kev faib tawm

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Transistor parameters thiab kev faib tawm

cov khoom qeb

ib. Raws li cov khoom siv: Silicon tube, raj

b. Raws li cov qauv: NPN, PNP. raws li daim duab qhia.

c. Raws li muaj nuj nqi: hloov raj, lub hwj chim raj, Darlington raj, photosensitive raj, thiab lwm yam.

d. Raws li lub hwj chim: me me hwj chim raj, nruab nrab hwj chim raj, siab zog raj

e. Raws li kev ua hauj lwm zaus: tsawg zaus raj, siab zaus raj, tshaj zaus raj

f. Raws li tus qauv txheej txheem: alloy tube, ca lub raj

g. Raws li txoj kev teeb tsa: plug-in triode, thaj triode

Khoom parameters

Yam ntxwv zaus

Thaum f=fT, lub triode poob tag nrho tam sim no amplification muaj nuj nqi. Yog tias qhov kev khiav hauj lwm zaus ntau dua fT, Circuit Court yuav tsis ua haujlwm zoo.

fT yog hu ua qhov nce bandwidth khoom, piv txwv li fT=fo. Yog hais tias qhov kev khiav hauj lwm zaus fo ntawm triode tam sim no thiab lub siab zaus tam sim no amplification yam yog paub, tus yam ntxwv zaus fT yuav tau. Raws li kev khiav hauj lwm zaus nce, qhov magnification yuav txo. fT kuj tuaj yeem txhais tau tias yog qhov zaus thaum =1.

Voltage thiab tam sim no

Siv qhov ntsuas no los qhia qhov voltage thiab tam sim no siv ntau yam ntawm lub raj.

hFE

Amplification yam tam sim no.

VCEO

Collector emitter reverse breakdown voltage, qhia qhov saturation voltage ntawm qhov tseem ceeb saturation.

PCM

Qhov siab tshaj plaws tso cai rau lub zog dissipation.

Daim ntawv pob

Qhia qhov zoo ntawm lub raj. Yog tias lwm yam tsis raug, qhov sib txawv ntawm lub pob yuav ua rau cov khoom siv tsis raug siv rau ntawm lub rooj tsavxwm.