Mokhoa oa ho tseba li-nMOSFET le li-pMOSFET

I. Ho ea ka tataiso ea phallo ea hona joale

NMOSFET:Ha hajoale ho phalla ho tloha mohloling (S) ho ea ho drain (D), MOSFET ke NMOSFET Ho NMOSFET, mohloli le drain ke li-semiconductors tsa mofuta oa n mme heke ke semiconductor ea mofuta oa p. Ha motlakase oa heke o le motle mabapi le mohloli, mocha oa ho khanna oa mofuta oa n o thehoa holim'a semiconductor, o lumellang hore li-electrone li phalle ho tloha mohloling ho ea ho drain.

PMOSFET:MOSFET ke PMOSFET ha hona joale e phalla ho tloha draineng (D) ho ea mohloling (S) Ho PMOSFET, mohloli le draining ke li-semiconductors tsa mofuta oa p 'me heke ke semiconductor ea mofuta oa n. Ha motlakase oa heke o le mpe mabapi le mohloli, mocha o tsamaisang mofuta oa p o thehoa holim'a semiconductor, o lumella masoba hore a phalle ho tloha mohloling ho ea ho drain (hlokomela hore tlhaloso e tloaelehileng re ntse re re hona joale e tloha ho D ho ea ho S, empa ha e le hantle ke tsela eo masoba a tsamaeang ho eona).

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II. Ho ea ka tataiso ea diode ea parasitic

NMOSFET:Ha diode ea parasitic e supa ho tloha mohloling (S) ho ea ho drain (D), ke NMOSFET. parasitic diode ke sebopeho se ka hare ho MOSFET, 'me tataiso ea eona e ka re thusa ho tseba mofuta oa MOSFET.

PMOSFET:The parasitic diode ke PMOSFET ha e supa ho tloha ho drain (D) ho ea mohloling (S).

III. Ho ea ka kamano pakeng tsa taolo ea li-electrode voltage le conductivity ea motlakase

NMOSFET:NMOSFET e sebetsa ha motlakase oa heke o le ntle mabapi le motlakase oa mohloli. Lebaka ke hore motlakase o motle oa heke o etsa liteishene tse tsamaisang mofuta oa n holim'a semiconductor, ho lumella lielektrone hore li phalle.

PMOSFET:PMOSFET e sebetsa ha motlakase oa heke o le mpe mabapi le motlakase oa mohloli. Motlakase o mobe oa heke o etsa mocha o tsamaisang mofuta oa p holim'a semiconductor, o lumellang masoba ho phalla (kapa hona joale ho phalla ho tloha D ho ea ho S).

IV. Mekhoa e meng e thusang ea kahlolo

Sheba matšoao a sesebelisoa:Ho tse ling tsa MOSFETs, ho ka ba le nomoro ea ho tšoaea kapa ea mohlala e khethollang mofuta oa eona, 'me ka ho sheba database e amehang, u ka netefatsa hore na ke NMOSFET kapa PMOSFET.

Tšebeliso ea lisebelisoa tsa tlhahlobo:Ho lekanya khanyetso ea phini ea MOSFET kapa ho tsamaisoa ha eona ka li-voltages tse fapaneng ka lisebelisoa tsa tlhahlobo tse kang multimeter le hona ho ka thusa ho tseba mofuta oa eona.

Ka bokhutšoanyane, kahlolo ea li-NMOSFET le PMOSFET e ka etsoa haholo-holo ka tataiso ea phallo ea hona joale, tataiso ea diode ea parasitic, kamano pakeng tsa motlakase oa motlakase oa motlakase le conductivity, hammoho le ho hlahloba letšoao la sesebelisoa le tšebeliso ea lisebelisoa tsa teko. Litšebelisong tse sebetsang, mokhoa o nepahetseng oa kahlolo o ka khethoa ho latela boemo bo itseng.