Indlela yokumisela i-MOSFET yamandla aphezulu itshiswe ngokutshiswa

(1) I-MOSFET sisiqalelo esilawula amandla ombane, ngelixa i-transistor iyinto esebenzayo ngoku. Kwikhono lokuqhuba alikho, i-drive current incinci kakhulu, kufuneka ikhethweI-MOSFET; kwaye kumbane wesignali uphantsi, kwaye wathembisa ukuthatha ngoku ngakumbi ukusuka kwiimeko zokuqhuba umatshini wombane wokuloba, kufuneka kukhethwe i-transistor.

 

(2) I-MOSFET kukusetyenziswa kwezinto ezininzi ezithwala i-conductive, ebizwa ngokuba yi-unipolar device, ngelixa i-transistor kukuba kukho uninzi lwabathwali, kodwa kunye nokusetyenziswa kwenani elincinci labathwali be-conductive. Ibizwa ngokuba yi-bipolar device.

 

(3) AbanyeI-MOSFET umthombo kunye ne-drain inokutshintshwa ukuze kusetyenziswe i-voltage yesango ingaba yinto enhle okanye engalunganga, ukuguquguquka kunokuba i-transistor ilungile.

 

(4) I-MOSFET inokusebenza kwiimeko ezincinci zangoku kunye neziphantsi kakhulu zombane, kwaye inkqubo yayo yokuvelisa inokuba lula kakhulu ukudibanisa ii-MOSFET ezininzi kwi-silicon chip, ngoko ke ii-MOSFETs kwiisekethe ezinkulu ezidibeneyo zisetyenziswe ngokubanzi.

 

(5) I-MOSFET ineenzuzo ze-impedance ephezulu kunye nengxolo ephantsi, ngoko ke isetyenziswa ngokubanzi kwiintlobo ngeentlobo zezixhobo zomgibe we-elektroniki. Ngokukodwa kunye ityhubhu yempembelelo yentsimi ukwenza yonke igalelo lesixhobo sombane, inqanaba lemveliso, linokufumana i-transistor jikelele kunzima ukufikelela kuyo.

 

(6)Ii-MOSFET zohlulwe zibe ziindidi ezimbini: uhlobo lwesiphambuka esibomvu kunye nohlobo lwesango olugqunyiweyo, kunye nemigaqo yabo yokulawula iyafana.

 

Ngapha koko, i-triode inexabiso eliphantsi kwaye isebenziseka ngakumbi, isetyenziswa ngokuqhelekileyo kubalobi bakudala be-low-frequency, i-MOSFET yeesekethe ezinesantya esiphezulu, iimeko zangoku, ngoko ke uhlobo olutsha lwabalobi be-ultrasonic be-high-frequency, lubalulekile. Ingaba iMOS enkulu. ukuthetha ngokubanzi, amaxesha aphantsi, ukusetyenziswa ngokubanzi kweyokuqala ukuqwalasela ukusetyenziswa kwee-transistors, kungekhona ukuba ufuna ukuqwalasela i-MOS.

 

I-MOSFET zizizathu zocazululo kwaye izisombululo zezi zilandelayo

 

Okokuqala, ukuchasana kwegalelo kwe-MOSFET ngokwayo kuphezulu kakhulu, kwaye isango-umthombo we-inter-electrode capacitance lincinci kakhulu, ngoko ke lichaphazeleka kakhulu kwimimandla yangaphandle ye-electromagnetic okanye i-electrostatic inductance kwaye ihlawuliswe, kwaye imali encinci yentlawulo inokwenziwa. kwi-inter-electrode capacitance ye-voltage ephezulu ngokufanelekileyo (U = Q / C), iya konakaliswa ityhubhu. Nangona igalelo le-MOS lomatshini wokuloba wombane linamanyathelo okugcinwa kwe-anti-static, kodwa kusafuneka iphathwe ngononophelo, ekugcinweni nasekuhanjisweni kwezona zikhongozeli zibalaseleyo zetsimbi okanye ukupakishwa kwezinto zokuqhuba, musa ukubeka lula ukuhlasela amandla ombane aphezulu. imathiriyeli yeekhemikhali okanye amalaphu efibre yeekhemikhali. INdibano, ukugunyaziswa, izinto, inkangeleko, indawo yokusebenzela, njl.njl. kufuneka zibe yisiseko esibalaseleyo. Ukunqanda umonakalo wokuphazamiseka kwe-electrostatic yomsebenzisi, njengokuba akufanelekanga ukunxiba inayiloni, impahla yefiber yekhemikhali, isandla okanye into phambi kokubamba ibhloko edibeneyo kungcono ukudibanisa umhlaba. Kwizixhobo ezikhokelayo zokuqondisa kunye nokugoba okanye i-welding manual, ukusetyenziswa kwezixhobo kuyimfuneko kwisiseko esibalaseleyo.