Izici zokuqhuba ze-MOSFET

izindaba

Izici zokuqhuba ze-MOSFET

Ukuqhutshwa kwe-MOSFET kusho ukuthi isetshenziswa njengeswishi, elingana nokuvala iswishi.I-NMOS ibonakala njengeqhuba lapho i-Vgs yeqa inani elilinganiselwe, elisebenza esimweni esinomthombo oxhunywe kudivayisi esekelwe phansi, futhi idinga kuphela isango. I-voltage kufanele ibe yi-4V noma i-10V.I-PMOS, ngakolunye uhlangothi, iqhuba uma i-Vgs iwela ngaphansi kwenani elithile, futhi ifanele izimo lapho umthombo uxhumeke ku-Vcc. Kodwa-ke, nakuba i-PMOS ingaba lula njengomshayeli wezinga eliphezulu, i-NMOS ngokuvamile isetshenziswa kubashayeli bezinga eliphezulu ngenxa yokumelana okukhulu, intengo ephezulu nezindleko, kanye nezinhlobo ezimbalwa zokushintshwa.

1 (1)

Noma ngabe kunjaloI-NMOSnoma i-PMOS, kuzoba nokumelana ngemuva kokumelana, ukuze i-current in the resistance idle inani elithile lamandla, lokhu kusetshenziswa kubizwa ngokuthi ukulahlekelwa kokuphikiswa. Kuleli qophelo, sikhetha nje ukumelana kwe-MOSFET encane kunganciphisa ukulahleka kokumelana, amandla aphansi anamuhla.I-MOSFETon-resistance ngokuvamile inqwaba yama-milliohm, noma ngisho nama-milliohm ambalwa wokubukeka kwe-MOS esimweni sokuqhubeka nokuqedwa kwesimo akusiyo ngokuphazima kweso.
I-voltage ezinhlangothini zombili ze-MOS inenqubo yokuncipha, yamanje igeleza ngenqubo yokwanda, kulesi sikhathi sesikhathi, amandla kagesi kanye namanje aphindwe ngosayizi wokulahleka kwe-MOSFET. Ukulahlekelwa kokushintsha okujwayelekile kukhulu kakhulu kunokulahlekelwa kwe-conduct, futhi uma iphakeme imvamisa yokushintsha, ukulahlekelwa kukhulu. Uma kuphakeme ukuphindaphindeka kwe-voltage kanye namanje ngesikhathi sokuqhuba, kuyanda ukulahlekelwa. Uma singakwazi ukunciphisa isikhathi sokushintsha, singanciphisa ukulahlekelwa ekuqhubeni ngakunye, sinciphise imvamisa yokushintsha, futhi singanciphisa imvamisa yokushintsha phakathi nenkathi ethile yesikhathi, ukuze sinciphise ukulahlekelwa kokushintsha.

Ngokuthuthukiswa kwemakethe okusebenzayo nokuhlanganiswa kwensiza okuphumelelayo, i-lukey isibe enye yama-ejenti aphuma phambili futhi akhula ngokushesha e-Asia, futhi kuwumgomo ovamile ka- olukey ukuba i-ejenti ebaluleke kakhulu emhlabeni. Ngokuhamba kweminyaka, inkampani olukey ekusindeni ngesikweletu, ukunamathela "ikhwalithi kuqala, isevisi kuqala" injongo kanye namabhizinisi amaningi asekhaya nakwamanye amazwe zobuchwepheshe, ifektri yasekuqaleni ukusungula ubudlelwano obuhle ukusebenza, kanye neminyaka eminingi yokuhlangenwe nakho kochwepheshe ukusatshalaliswa, ngesikweletu esihle, isevisi enhle kakhulu, futhi uthole ukwethenjwa nokusekelwa okusabalele.

1 (2)

Isikhathi sokuthumela: Jul-10-2024