Ni ubuhe butumwa bwa MOSFET?

Hariho ubwoko bubiri bwingenzi bwa MOSFET: gutandukanya ubwoko bwubwoko bwubwoko bwamarembo. Ihuriro MOSFET (JFET) ryiswe izina kuko rifite amasano abiri ya PN, hamwe n irembo ryikingiyeBYINSHI(JGFET) yitiriwe izina kuko irembo ryakingiwe rwose na electrode. Kugeza ubu, mu irembo ryakingiwe MOSFETs, imwe ikoreshwa cyane ni MOSFET, yitwa MOSFET (icyuma-oxyde-semiconductor MOSFET); hiyongereyeho, hari PMOS, NMOS na VMOS imbaraga MOSFETs, kimwe na moderi ya powerMOS na VMOS iherutse gushyirwaho, nibindi.

 

Ukurikije umuyoboro utandukanye wibikoresho bya semiconductor, ubwoko bwihuza nubwoko bwamarembo bugabanijwemo umuyoboro na P. Niba bigabanijwe ukurikije uburyo bwo kuyobora, MOSFET irashobora kugabanywa muburyo bwa depletion nubwoko bwo kuzamura. Ihuriro MOSFETs zose ni ubwoko bwa depletion, kandi irembo ryakinguwe MOSFETs ni ubwoko bwa depletion nubwoko bwo kuzamura.

Imikorere ya tristoriste irashobora kugabanwa mubice bihuza imbaraga za transistors na MOSFETs. MOSFETs igabanijwemo ibyiciro bine: Ubwoko bwa N-umuyoboro wa depletion n'ubwoko bwo kuzamura; Ubwoko bwa P-umuyoboro wo kugabanuka nubwoko bwo kuzamura.

 

Ibiranga MOSFET

Ibiranga MOSFET ni irembo ryamajyepfo voltage UG; igenzura indangamuntu yayo. Ugereranije na transiporiste isanzwe ya bipolar, MOSFETs ifite ibiranga ibintu byinjira cyane, urusaku ruke, intera nini yingufu, gukoresha ingufu nke, no kwishyira hamwe byoroshye.

 

Iyo agaciro ntagereranywa ka bias mbi ya voltage (-UG) yiyongereye, igabanuka rya depletion ryiyongera, umuyoboro uragabanuka, kandi indangamuntu ya drain iragabanuka. Iyo agaciro ntagereranywa ka bias mbi ya voltage (-UG) igabanutse, igabanuka rya depletion rigabanuka, umuyoboro uriyongera, kandi indangamuntu ya drain iriyongera. Birashobora kugaragara ko indangamuntu ya drain igenzurwa na voltage yumuryango, MOSFET rero nigikoresho kigenzurwa na voltage, ni ukuvuga ko impinduka ziva mumashanyarazi zigenzurwa nimpinduka zinjira mumashanyarazi, kugirango tugere kuri amplification na izindi ntego.

 

Kimwe na transiporiste ya bipolar, mugihe MOSFET ikoreshwa mumuzunguruko nka amplification, voltage ya bias nayo igomba kongerwaho kumarembo yayo.

Irembo ryumuyoboro wibikorwa bigomba gukoreshwa hamwe na voltage ibogamye, ni ukuvuga ko voltage yumuryango mubi igomba gukoreshwa kumuyoboro wa N-umuyoboro kandi inzara nziza y irembo igomba gukoreshwa kumuyoboro wa P-umuyoboro. Irembo rikomejwe cyane MOSFET igomba gukoresha imbere ya voltage yimbere. Irembo ry'amarembo ya depletion-moderi yerekana MOSFET irashobora kuba nziza, mbi, cyangwa "0". Uburyo bwo kongeramo kubogama burimo uburyo buhamye bwo kubogama, uburyo bwo kubogama bwonyine, uburyo bwo guhuza butaziguye, nibindi.

BYINSHIifite ibipimo byinshi, harimo ibipimo bya DC, ibipimo bya AC nibipimo ntarengwa, ariko mugukoresha bisanzwe, ugomba gusa kwitondera ibipimo nyamukuru bikurikira: byuzuye byuzuye-isoko-yuzuye ya IDSS pinch-off voltage Up, (umuyoboro uhuza nuburyo bwo kugabanuka irembo ry'irembo, cyangwa kuzimya Voltage UT (insimburangingo yinjizwamo irembo), transconductance gm, imiyoboro-yamashanyarazi yamenetse ya voltage BUDS, imbaraga nyinshi zo gukwirakwiza PDSM hamwe na IDSM ihari.

(1) Umuyoboro wuzuye wuzuye

Umuyoboro wuzuye wuzuye-IDSS yerekana imiyoboro y'amazi iyo isoko ya voltage UGS = 0 mumasangano cyangwa depletion irembo MOSFET.

(2) Umuvuduko w'amashanyarazi

Umuvuduko wa pinch-off UP bivuga voltage yumuryango mugihe imiyoboro-soko ihuza imiyoboro yaciwe gusa mumasangano cyangwa ubwoko bwa depletion-bwinjiriro MOSFET. Nkuko bigaragara muri 4-25 kuri UGS-ID umurongo wa N-umuyoboro wa N, umuyoboro wa IDSS na UP urashobora kugaragara neza.

(3) Kuzimya voltage

Kuzimya voltage UT bivuga amarembo yumuryango mugihe imiyoboro yamazi-isoko ikozwe gusa mumarembo ashimangiwe MOSFET. Igishushanyo 4-27 cyerekana UGS-ID umurongo wa N-umuyoboro wa N, kandi ibisobanuro bya UT birashobora kugaragara neza.

(4) Kurengana

Transconductance gm yerekana ubushobozi bwamarembo-isoko ya voltage UGS kugenzura indangamuntu ya drain, ni ukuvuga, igipimo cyimpinduka mumyirondoro yimiyoboro ihindagurika nimpinduka mumarembo-isoko ya voltage UGS. 9m nikintu cyingenzi cyo gupima ubushobozi bwa amplification yaBYINSHI.

(5) Umuyoboro wamashanyarazi yamenetse

Umuyoboro w-isoko-yameneka yamashanyarazi BUDS bivuga imbaraga nini-nini-nini ya MOSFET ishobora kwemera mugihe amarembo-isoko ya voltage UGS ihoraho. Nibintu bigabanya imipaka, kandi voltage ikora ikoreshwa kuri MOSFET igomba kuba munsi ya BUDS.

(6) Gukwirakwiza imbaraga ntarengwa

Amashanyarazi ntarengwa yo gukwirakwiza PDSM nayo ni igipimo ntarengwa, kivuga ku buryo ntarengwa bwo gukwirakwiza ingufu zituruka ku mashanyarazi zemerewe nta kwangiza imikorere ya MOSFET. Iyo ikoreshejwe, gukoresha ingufu za MOSFET bigomba kuba munsi ya PDSM hanyuma ugasiga intera runaka.

(7) Amashanyarazi ntarengwa-isoko

Umubare munini wamazi-isoko ya IDSM nindi mipaka ntarengwa, yerekeza kumurongo ntarengwa wemerewe kunyura hagati yumuyoboro nisoko mugihe MOSFET ikora mubisanzwe. Imikorere ikora ya MOSFET ntigomba kurenza IDSM.

1. MOSFET irashobora gukoreshwa mugukomeza. Kubera ko kwinjiza inzitizi ya MOSFET amplifier ari hejuru cyane, ubushobozi bwo guhuza bushobora kuba buto kandi ubushobozi bwa electrolytike ntibugomba gukoreshwa.

2. Kwinjiza kwinshi kwa MOSFET birakwiriye cyane guhindura impedance. Bikunze gukoreshwa muguhindura impedance murwego rwo kwinjiza ibyiciro byinshi byongera imbaraga.

3. MOSFET irashobora gukoreshwa nkumwanya uhinduka.

4. MOSFET irashobora gukoreshwa byoroshye nkisoko ihoraho.

5. MOSFET irashobora gukoreshwa nka enterineti.

 

MOSFET ifite ibiranga imbaraga zo kurwanya imbere, kwihanganira ingufu nyinshi, guhinduranya byihuse, nimbaraga nyinshi za avalanche. Ikirangantego cyateguwe ni 1A-200A naho voltage ni 30V-1200V. Turashobora guhindura ibipimo by'amashanyarazi dukurikije imikoreshereze yabakiriya hamwe na gahunda yo gusaba kugirango tunoze ibicuruzwa byizewe, muri rusange uburyo bwo guhindura no guhatanira ibicuruzwa.

 

MOSFET vs Transistor Kugereranya

(1) MOSFET nikintu cyo kugenzura voltage, mugihe transistor nikintu kigezweho. Mugihe umubare muto gusa wamashanyarazi yemerewe gukurwa mubimenyetso byerekana ibimenyetso, hagomba gukoreshwa MOSFET; mugihe ibimenyetso bya voltage ari bike kandi umubare munini wamashanyarazi wemerewe gukurwa mubimenyetso byerekana ibimenyetso, hagomba gukoreshwa transistor.

. Yitwa igikoresho cya bipolar.

.

. Kubwibyo, MOSFETs yakoreshejwe cyane muminini minini ihuriweho.

 

Nigute ushobora kumenya ubuziranenge na polarite ya MOSFET

Hitamo urutonde rwa multimeter kuri RX1K, uhuze ikizamini cyirabura kiganisha kuri D pole, naho ikizamini gitukura kiganisha kuri S pole. Kora ku nkingi ya G na D icyarimwe ukoresheje ukuboko kwawe. MOSFET igomba kuba muburyo bwo gutwarwa ako kanya, ni ukuvuga, urushinge rwa metero ruzunguruka kumwanya hamwe nuburwanya buto. , hanyuma ukore ku nkingi ya G na S n'amaboko yawe, MOSFET ntigomba kugira igisubizo, ni ukuvuga, urushinge rwa metero ntiruzasubira kumwanya wa zeru. Muri iki gihe, hakwiye gusuzumwa ko MOSFET ari umuyoboro mwiza.

Hitamo urutonde rwa multimeter kuri RX1K, hanyuma upime guhangana hagati yimipira itatu ya MOSFET. Niba kurwanya hagati ya pin imwe nizindi pin ebyiri bitagira iherezo, kandi biracyafite iherezo nyuma yo guhana ibizamini, Noneho iyi pin ni G pole, naho izindi pin ebyiri ni S pole na D pole. Noneho koresha multimeter kugirango upime agaciro ko guhangana hagati ya S pole na D pole rimwe, hinduranya ikizamini kiyobora hanyuma wongere upime. Imwe ifite ntoya yo kurwanya agaciro ni umukara. Ikizamini cyo kuyobora cyahujwe na S pole, naho umutuku wikizamini utukura uhujwe na D pole.

 

MOSFET gutahura no kwirinda

1. Koresha icyerekezo cya multimeter kugirango umenye MOSFET

1) Koresha uburyo bwo gupima kurwanya kugirango umenye electrode ihuza MOSFET

Ukurikije ibintu byerekana ko indangagaciro zo kurwanya imbere no gusubiza inyuma za PN ihuza MOSFET zitandukanye, electrode eshatu zihurira MOSFET zirashobora kumenyekana. Uburyo bwihariye: Shyira multimeter kurwego rwa R × 1k, hitamo electrode iyariyo yose, hanyuma upime imbere kandi ihindure indangagaciro. Iyo imbere no gusubiza inyuma indangagaciro za electrode ebyiri zingana kandi ni ibihumbi byinshi bya ohm, noneho electrode ebyiri ni imiyoboro D nisoko S. Kuberako kubihuza MOSFETs, imiyoboro nisoko birasimburana, electrode isigaye igomba kuba irembo G. Urashobora kandi gukoraho ikizamini cyumukara (ikizamini cyumutuku nacyo kiremewe) cya multimeter kuri electrode iyariyo yose, kandi ikindi kizamini kiganisha kuri kora electrode ebyiri zisigaye zikurikiranye kugirango upime agaciro kokurwanya. Iyo indangagaciro zo kurwanya zapimwe kabiri zingana hafi, electrode ihuye nikizamini cyirabura cyirabura ni irembo, naho izindi electrode ebyiri ni imiyoboro nisoko. Niba indangagaciro zo kurwanya zapimwe inshuro ebyiri nini cyane, bivuze ko aricyerekezo cyinyuma cyihuza rya PN, ni ukuvuga ko byombi ari ukurwanya. Birashobora kwemezwa ko ari N-umuyoboro wa MOSFET, kandi ikizamini cyirabura cyirabura gihujwe n irembo; niba indangagaciro zo guhangana zapimwe kabiri ni Indangagaciro zo kurwanya ni nto cyane, byerekana ko ari ihuriro ryimbere rya PN, ni ukuvuga, kurwanya imbere, kandi ryiyemeje kuba umuyoboro wa P-MOSFET. Ikizamini cyirabura kiyobora nacyo gihujwe n irembo. Niba ibintu byavuzwe haruguru bitabaye, urashobora gusimbuza ikizamini cyumukara numutuku hanyuma ukayobora ikizamini ukurikije uburyo bwavuzwe haruguru kugeza gride yamenyekanye.

 

2) Koresha uburyo bwo gupima kurwanya kugirango umenye ubwiza bwa MOSFET

Uburyo bwo gupima ubukana ni ugukoresha multimeter kugirango bapime guhangana hagati yisoko ya MOSFET namazi, irembo nisoko, irembo namazi, irembo G1 n irembo G2 kugirango hamenyekane niba bihuye nagaciro k’urwanya kerekanwa mu gitabo cya MOSFET. Ubuyobozi nibyiza cyangwa bubi. Uburyo bwihariye: Ubwa mbere, shyira multimeter kuri R × 10 cyangwa R × 100, hanyuma upime guhangana hagati yinkomoko S na drain D, mubisanzwe murwego rwa mirongo ya ohm kugeza kubihumbi ibihumbi (birashobora kugaragara muri imfashanyigisho yerekana uburyo butandukanye tubes, indangagaciro zabo zo kurwanya ziratandukanye), niba igipimo cyapimwe cyapimwe kirenze agaciro gasanzwe, birashobora guterwa no guhura nabi imbere; niba ibipimo byapimwe byapimwe bitagira iherezo, birashobora kuba inkingi yimbere. Noneho shyira multimeter kumurongo wa R × 10k, hanyuma upime indangagaciro zo guhangana hagati y amarembo G1 na G2, hagati y irembo nisoko, no hagati y irembo numuyoboro. Iyo ibipimo byapimwe byapimwe byose bitagira iherezo, noneho Bisobanura ko umuyoboro usanzwe; niba indangagaciro zo kurwanya hejuru ari nto cyane cyangwa hari inzira, bivuze ko umuyoboro ari mubi. Twabibutsa ko niba amarembo yombi yaravunitse mu muyoboro, uburyo bwo gusimbuza ibice bushobora gukoreshwa mu gutahura.

 

3) Koresha uburyo bwo kwinjiza ibimenyetso byerekana uburyo bwo kugereranya ubushobozi bwa MOSFET

Uburyo bwihariye: Koresha urwego R × 100 rwo guhangana na multimeter, uhuze ikizamini gitukura kiganisha ku isoko S, naho ikizamini cyirabura kiganisha kumazi D. Ongeramo amashanyarazi ya 1.5V kuri MOSFET. Muri iki gihe, agaciro ko guhangana hagati yamazi nisoko kerekanwa nurushinge rwa metero. Noneho shyira irembo G ryihuza MOSFET ukoresheje ukuboko kwawe, hanyuma ongeramo ibimenyetso bya voltage byatewe numubiri wumuntu kumuryango. Muri ubu buryo, bitewe ningaruka zo kongera imbaraga za tube, imiyoboro y'amazi ya voltage VDS hamwe numuyoboro wamazi Ib bizahinduka, ni ukuvuga ko kurwanya imiyoboro n’isoko bizahinduka. Kuva aha, birashobora kugaragara ko urushinge rwa metero ruzunguruka ku rugero runini. Niba urushinge rwamaboko ya gride urushinge ruzunguruka gake, bivuze ko ubushobozi bwo kongera imbaraga bwigituba ari bubi; niba urushinge ruzunguruka cyane, bivuze ko ubushobozi bwa amplification ya tube ari bunini; niba urushinge rutimuka, bivuze ko umuyoboro ari mubi.

 

Ukurikije uburyo bwavuzwe haruguru, dukoresha igipimo cya R × 100 cya multimeter kugirango dupime ihuriro MOSFET 3DJ2F. Banza ufungure G electrode ya tube hanyuma upime irwanya-soko irwanya RDS kuba 600Ω. Nyuma yo gufata G electrode ukoresheje ukuboko kwawe, urushinge rwa metero ruzunguruka ibumoso. Kurwanya RDS ni 12kΩ. Niba urushinge rwa metero ruzunguruka runini, bivuze ko umuyoboro ari mwiza. , kandi ifite ubushobozi bunini bwo kongera imbaraga.

 

Hano hari ingingo nkeya ugomba kwitondera mugihe ukoresheje ubu buryo: Ubwa mbere, mugihe ugerageza MOSFET no gufata irembo ukoresheje ukuboko kwawe, urushinge rwa multimeter rushobora guhindukirira iburyo (agaciro k’urwanya kugabanuka) cyangwa ibumoso (agaciro k’urwanya kiyongera) . Ibi biterwa nuko voltage ya AC iterwa numubiri wumuntu iri hejuru cyane, kandi MOSFETs zitandukanye zishobora kugira aho zikorera mugihe zapimwe nurwego rwo guhangana (haba gukorera muri zone yuzuye cyangwa muri zone idahagije). Ibizamini byagaragaje ko RDS yigituba cyiyongera. Ni ukuvuga, ukuboko kw'isaha kuzunguruka ibumoso; RDS ya tebes nkeya iragabanuka, bigatuma ukuboko kwamasaha kuzunguruka iburyo.

Ariko utitaye ku cyerekezo ukuboko kw'isaha kuzunguruka, igihe cyose ikiganza cy'isaha kizunguruka kinini, bivuze ko umuyoboro ufite ubushobozi bwo kongera imbaraga. Icya kabiri, ubu buryo bukora no kuri MOSFETs. Ariko twakagombye kumenya ko kwinjiza MOSFET byinjira cyane, kandi imbaraga zemewe zinjizwa mumarembo G ntizigomba kuba ndende cyane, ntugahinyure amarembo n'amaboko yawe. Ugomba gukoresha ikiganza cyiziritse cya screwdriver kugirango ukore ku irembo ukoresheje inkoni y'icyuma. , kugirango wirinde kwishyurwa ryatewe numubiri wumuntu kwongerwaho mumarembo, bigatera amarembo. Icya gatatu, nyuma ya buri gupima, inkingi ya GS igomba kuba izengurutse. Ni ukubera ko hazabaho amafaranga make kuri capacitori ya GS ihuza, yubaka ingufu za VGS. Nkigisubizo, amaboko ya metero ntashobora kugenda mugihe wongeye gupima. Inzira imwe yonyine yo gusohora amafaranga ni ukuzunguruka-bigufi kwishyuza hagati ya electrode ya GS.

4) Koresha uburyo bwo gupima kurwanya kugirango umenye MOSFETS zitamenyekanye

Ubwa mbere, koresha uburyo bwo gupima ubukana kugirango ushakishe pin ebyiri zifite agaciro ko guhangana, arizo soko ya S na drain D. Amapine abiri asigaye ni irembo rya mbere G1 n irembo rya kabiri G2. Andika agaciro ko guhangana hagati yisoko S na drain D yapimwe nibizamini bibiri banza. Hindura ikizamini kiyobora hanyuma wongere upime. Andika agaciro gapimye. Imwe ifite agaciro gakomeye ko guhangana yapimwe kabiri ni ikizamini cyirabura. Electrode ihujwe ni imiyoboro D; ikizamini cyumutuku ihujwe nisoko S. Inkingi ya S na D yagaragajwe nubu buryo irashobora kandi kugenzurwa no kugereranya ubushobozi bwa amplification ya tube. Nukuvuga, ikizamini cyirabura kiyobora hamwe nubushobozi bunini bwo kongera imbaraga bwahujwe na D pole; ikizamini gitukura kiyobora gihujwe nubutaka kuri 8-pole. Ibisubizo by'ibizamini byuburyo bwombi bigomba kuba bimwe. Nyuma yo kumenya imyanya ya drain D nisoko S, shyiramo umuzenguruko ukurikije imyanya ijyanye na D na S. Mubisanzwe, G1 na G2 nabyo bizahuzwa mukurikirane. Ibi bigena imyanya y amarembo abiri G1 na G2. Ibi bigena gahunda ya D, S, G1, na G2.

5) Koresha impinduka muburyo bwo kurwanya agaciro kugirango umenye ingano ya transconductance

Iyo upimye imikorere ya transconductance ya VMOSN yongerera imbaraga umuyoboro wa MOSFET, urashobora gukoresha ikizamini gitukura kiyobora kugirango uhuze isoko S naho ikizamini cyumukara kiganisha kumazi D. Ibi bihwanye no kongeramo voltage ihinduka hagati yisoko n'amazi. Muri iki gihe, irembo rirakinguye uruziga, kandi agaciro kangana na rezo yo guhagarara ntigahungabana cyane. Hitamo urwego rwa ohm rwa multimeter kurwego rwo hejuru rwo guhangana na R × 10kΩ. Muri iki gihe, voltage muri metero iri hejuru. Iyo ukoze kuri gride G ukoresheje ukuboko kwawe, uzasanga agaciro kangana na rezo yo kurwanya igituba ihinduka cyane. Nimpinduka nini, niko agaciro ka transconductance ya tube; niba transconductance ya tube iri munsi yikizamini ari nto cyane, koresha ubu buryo kugirango upime Iyo, reaction yo guhinduka ihinduka bike.

 

Kwirinda gukoresha MOSFET

1) Kugirango ukoreshe MOSFET mumutekano, indangagaciro ntarengwa yibipimo nkimbaraga zagabanijwe zumuyoboro, umuyaga mwinshi uturuka kumashanyarazi, umuyaga mwinshi w-isoko, n’umuvuduko mwinshi ntushobora kurenga mubishushanyo mbonera.

2) Mugihe ukoresheje ubwoko butandukanye bwa MOSFETs, bigomba guhuzwa numuzunguruko ukurikije kubogama gusabwa, kandi hagomba kubahirizwa polarite ya MOSFET. Kurugero, hari ihuriro rya PN hagati yisoko y amarembo namazi yo guhuza MOSFET, kandi irembo ryumuyoboro wa N-umuyoboro ntushobora kubogama neza; irembo ryumuyoboro wa P ntushobora kubogama nabi, nibindi.

3) Kuberako inzitizi zinjira muri MOSFET ziri hejuru cyane, pin igomba kuba izunguruka mugihe gito mugihe cyo gutwara no kubika, kandi igomba kuba ipakishijwe ibyuma bikingira ibyuma kugirango hirindwe imbaraga ziva hanze zidasenyuka. By'umwihariko, nyamuneka menya ko MOSFET idashobora gushyirwa mumasanduku ya plastiki. Nibyiza kubibika mumasanduku yicyuma. Muri icyo gihe, witondere kugumya kutagira amazi.

4) Kugirango wirinde irembo rya MOSFET gusenyuka, ibikoresho byose byipimisha, intebe zakazi, ibyuma byo kugurisha, hamwe nizunguruka ubwabyo bigomba kuba bifite ishingiro; mugihe cyo kugurisha pin, kugurisha isoko mbere; mbere yo guhuza umuzenguruko, umuyoboro Impera zose ziyobora zigomba kuba zuzunguruka mugihe kimwe, kandi ibikoresho bigufi bizunguruka bigomba gukurwaho nyuma yo gusudira birangiye; mugihe cyo kuvana umuyoboro mubice bigize ibice, hagomba gukoreshwa uburyo bukwiye kugirango umubiri wumuntu uhagarare, nko gukoresha impeta yo hasi; byumvikane ko, niba byateye imbere Icyuma gishyushya icyuma gishyushya icyuma cyoroshye cyo gusudira MOSFETs kandi ikarinda umutekano; umuyoboro ntugomba kwinjizwa cyangwa gukurwa mumuzunguruko mbere yuko umuriro uzimya. Ingamba z'umutekano zavuzwe haruguru zigomba kwitonderwa mugihe ukoresheje MOSFET.

5) Mugihe ushyira MOSFET, witondere aho ushyira hanyuma ugerageze kwirinda kuba hafi yubushyuhe; kugirango wirinde kunyeganyega kw'ibikoresho bya pipe, birakenewe gukaza umurego w'igituba; mugihe pin iyobora igoramye, igomba kuba ifite mm 5 kurenza ubunini bwumuzi kugirango wirinde kunama amapine no gutera umwuka.

Kububasha MOSFETs, ibintu byiza byo gukwirakwiza ubushyuhe birakenewe. Kuberako imbaraga MOSFETs zikoreshwa mugihe cyumutwaro mwinshi, ibyuma bihagije bigomba gutegurwa kugirango ubushyuhe bwurubanza butarenga agaciro kagenwe kugirango igikoresho gikore neza kandi cyizewe mugihe kirekire.

Muri make, kugirango ukoreshe neza MOSFETs, hari ibintu byinshi ugomba kwitondera, kandi hariho n'ingamba zitandukanye z'umutekano zigomba gufatwa. Umubare munini w'abakozi babigize umwuga na tekinike, cyane cyane abakunzi ba elegitoroniki, bagomba gukomeza ukurikije uko ibintu bimeze kandi bagafata inzira zifatika zo gukoresha MOSFETs neza kandi neza.