Tarisa uone maMOSFETs

MaMOSFET ari kuvharira maMOSFET mumaseketi akabatanidzwa.MOSFETs, seimwe yemidziyo yakakosha muiyo semiconductor munda, anoshandiswa zvakanyanya mubhodhi-level circuits pamwe neIC design.Drein uye tsime reMOSFETs inogona kuchinjana, uye inoumbwa muP-type backgate ine N-mhando dunhu. Muzhinji, iwo maviri masosi anochinjika, ese ari maviri achigadzira N-mhando dunhu muP-mhando backgate. Kazhinji, nzvimbo mbiri idzi dzakafanana, uye kunyange kana zvikamu zviviri izvi zvikachinjwa, kushanda kwechigadzirwa hakuzokanganisike. Naizvozvo, mudziyo unoonekwa se symmetric.

Musimboti:

MOSFET inoshandisa VGS kudzora huwandu hwe "induced charge" kushandura mamiriro eiyo conductive chiteshi inoumbwa neaya "induced charges" kudzora dhiraivha iripo. Kana maMOSFET achigadzirwa, huwandu hukuru hweiyoni yakanaka inoonekwa mu insulating layer kuburikidza nemaitiro akakosha, kuitira kuti mamwe machaji asina kunaka anzwe kune rimwe divi reiyo interface, uye iyo N-dunhu repamusoro-permeability tsvina yakabatana ne. mhosva idzi dzisina kunaka, uye mugero we conductive unoumbwa, uye dhizaini yakakura ikozvino, ID, inogadzirwa kunyange kana VGS iri 0. Kana gedhi regedhi rakashandurwa, chiyero chemutero wakakonzerwa mumugero unochinjawo, uye hupamhi. ye conductive channel inoshanduka kusvika pamwero wakafanana. Kana gedhi remagetsi richichinja, huwandu hwekuchajiswa muchiteshi huchachinjawo, uye hupamhi mugedhi rekuitisa huchachinjawo, saka iyo yekudonha ikozvino ID ichachinja pamwe negedhi voltage.

Basa:

1. Inogona kushandiswa kune amplifier circuit. Nekuda kweiyo yakakwira yekupinza impedance yeMOSFET amplifier, iyo capacitance yekubatanidza inogona kuve idiki uye electrolytic capacitors haigone kushandiswa.

Yakakwira yekupinza impedance inokodzera shanduko ye impedance. Inowanzo shandiswa kushandurudza impedance muchikamu chekuisa cheakawanda-stage amplifiers.

3, Inogona kushandiswa seyakasiyana resistor.

4, inogona kushandiswa seyemagetsi switch.

MaMOSFET ave kushandiswa mumhando dzakasiyana-siyana dzekushandisa, kusanganisira yakakwirira-frequency misoro mumaterevhizheni uye kushandura magetsi. Mazuva ano, bipolar common transistors neMOS zvinosanganiswa kuita IGBT (insulated gedhi bipolar transistor), iyo inoshandiswa zvakanyanya munzvimbo dzine simba guru, uye maseketi akasanganiswa eMOS ane hunhu hwekushomeka kwesimba, uye ikozvino maCPU ave kushandiswa zvakanyanya MOS matunhu.