Ungawathola kanjani ama-nMOSFET kanye nama-pMOSFET

I. Ngokwesiqondiso sokugeleza kwamanje

NI-MOSFET:Uma okwamanje kugeleza kusuka emthonjeni (S) kuya ku-drain (D), i-MOSFET iyi-NMOSFET Ku-NMOSFET, umthombo nomsele ama-semiconductor ohlobo lwe-n futhi isango liyi-semiconductor yohlobo lwe-p. Lapho i-voltage yesango ilungile ngokuphathelene nomthombo, isiteshi sokuqhuba uhlobo lwe-n sakhiwe ebusweni be-semiconductor, okuvumela ama-electron ukuba ageleze esuka emthonjeni aye emthonjeni.

PI-MOSFET:I-MOSFET iyi-PMOSFET uma imanje igeleza isuka ku-drain (D) iya emthonjeni (S) Ku-PMOSFET, kokubili umthombo nomsele kuyi-semiconductor yohlobo lwe-p futhi isango liyi-semiconductor yohlobo lwe-n. Lapho i-voltage yesango inegethivu ngokuphathelene nomthombo, kwakheka isiteshi sokuqhuba uhlobo lwe-p ebusweni be-semiconductor, evumela izimbobo ukuthi zigeleze zisuka emthonjeni ziye ku-drain (qaphela ukuthi encazelweni evamile sisasho ukuthi lamanje isuka ku-D iye ku-S, kodwa empeleni iyisiqondiso lapho izimbobo zihamba khona).

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II. Ngokusho kwe-parasitic diode direction

NI-MOSFET:Uma i-parasitic diode ikhomba kusuka emthonjeni (S) kuya ku-D), iyi-NMOSFET. i-parasitic diode iyisakhiwo esingaphakathi kwe-MOSFET, futhi isiqondiso sayo singasisiza ukunquma uhlobo lwe-MOSFET.

PI-MOSFET:I-parasitic diode iyi-PMOSFET uma ikhomba kusuka ku-drain (D) kuya emthonjeni (S).

III. Ngokusho kobudlelwano phakathi kokulawula i-electrode voltage kanye ne-electrode conductivity

NI-MOSFET:I-NMOSFET iqhuba lapho i-voltage yesango ivuma ngokuphathelene ne-voltage yomthombo. Lokhu kungenxa yokuthi i-voltage yesango elihle idala iziteshi eziqhuba uhlobo lwe-n endaweni ye-semiconductor, okuvumela ama-electron ukuthi ageleze.

PI-MOSFET:I-PMOSFET iqhuba lapho i-voltage yesango ingeyinhle ngokuphathelene ne-voltage yomthombo. I-voltage yesango engalungile idala isiteshi sokuqhuba uhlobo lwe-p endaweni engaphansi kwe-semiconductor, evumela izimbobo ukuthi zigeleze (noma zamanje zigeleze zisuka ku-D ziye ku-S).

IV. Ezinye izindlela ezisizayo zokwahlulela

Buka izimpawu zedivayisi:Kwamanye ama-MOSFET, kungase kube khona inombolo yokumaka noma imodeli ehlonza uhlobo lwayo, futhi ngokubonisana nemininingwane yedatha efanelekile, ungaqinisekisa ukuthi i-NMOSFET noma i-PMOSFET.

Ukusetshenziswa kwezinsimbi zokuhlola:Ukulinganisa ukumelana kwephinikhodi ye-MOSFET noma ukuqhutshwa kwayo ngama-voltage ahlukene ngokusebenzisa amathuluzi okuhlola afana nama-multimeters nakho kungasiza ekutholeni uhlobo lwayo.

Kafushane, ukwahlulela kwama-NMOSFET kanye nama-PMOSFET kungenziwa ngokuyinhloko ngokusebenzisa isiqondiso sokugeleza kwamanje, isiqondiso se-parasitic diode, ubudlelwano phakathi kwe-electrode voltage yokulawula kanye nokuhamba, kanye nokuhlola ukumakwa kwedivayisi nokusetshenziswa kwezinsimbi zokuhlola. Ekusetshenzisweni okungokoqobo, indlela yokwahlulela efanele ingakhethwa ngokuya ngesimo esithile.