ZvigadzirwaElectronics

Zvimwe zvaiitwa magetsi-voltage mamirire (I-V) ari diode

Chero wemagetsi unoshanda maererano yayo maitiro. Kushandisa navo magadzirirwe mano chero kunzwisisa anogona kusika munhu akarongeka muenzaniso weimwe mudziyo. On musimboti ichi akasika zvirongwa kuti kushandisa kwemasvomhu Modelling uye achititadzisa kuona basa electronic wedunhu iri Monitor chidzitiro. Vanobatsira zvikuru kukura namano. By unobatanidza rakapotsa yakasiyana wehondo oscilloscopes, unogona kuonekwa chokupika ramangwana zvinhu uye kuchinja kana zvakakodzera. On hwaro ichi, haugoni chete kudzidza sei kugadzira zvemagetsi, asi kuongorora zvimwe zvinhu zvine maatomu, kuti tiwedzere kwavo zivo yokungotaura. Somuenzaniso, funga mumwe zvinokosha zviri zvemagetsi kwakavakirwa volt-ampere maitiro, hereinafter diode VAC. mano izvi zvakanaka kuti kune marudzi akawanda navo. All vavo vakabudirira kushandiswa zvemagetsi matunhu. mano aya nekusimba pachavo pamusoro makore kushanda vari zvokushandisa zvinangwa zvakasiyana-siyana.

Yokutanga chaikosha kwakadaro ikaungana panzvimbo "Vacuum chubhu" Shanduro uye kwenguva yakareba kushandiswa pakuvaka zvirongwa siyana. mano kwakadaro zvinoshandiswa chubhu amplifiers, izvo zvichiri yakabereka makambani nomumwe. CVC diode mune iyi inorondedzerwa neDare Langmuir-Bogusławski. Maererano yemaitiro iyi, magetsi inoyerera kubudikidza mudziyo, voltage ndiyo Proportional kune simba nhatu wechipiri vawanda nokuda coefficient zvakananga. Sezvaunogona kuona, chikamu chokutanga pamusoro diode hunhu ane non-linearity. munyonga iri "kunogadzirisika" apo uchishandisa pfungwa yacho aizviti parameters.

The parameters of semiconductor mudziyo ranyura pedyo zvakakwana. Linearity kunobva kwokutanga mugove kwemashoko iro sekristaro yakaitwa. Uyewo chinokosha uwandu nouipi, i.e. unhu mbishi zvinhu. CVC semiconductor diode inogona achimiririrwa munyonga kuti zvinyamusi inenge exponentially uye ane inzwi pfungwa asati mbudo zvayo kushanda noruzhinji. The nesilicon mimwe yacho uchishandisa pfungwa "Anoparadza" pachiyero 0.6-0.7 volts. Zvikuru pedyo yakanaka ukoshi VAC pakati yacho Schottky diode, pano pokubuda napo pfungwa pamusoro waivako achava munzvimbo 0.2-0.4 volts. Asi yeuka kuti panguva voltage 50 volts, pfuma iyi yakarasika.

Anonzi Zener diode ane munyonga, "neizvi" kwakajairika maatomu akafanana. Kureva, pamwe kuwedzera voltage magetsi substantially hariwaniki kusvika imwe chikumbaridzo, ipapo aval inowedzerawo.

Vagadziri zvinhu izvi vanowanzofunga kwete kutaridzwa chaiwo unhu, sezvo vari kwakasiyana kunyange mukati chete batch mangé. Uyezve, unogona kutora diode, iyo CVC zvakarurama akayera murabhoritari uye kuchinja uchishandisa tembiricha. Uye hunhu shanduko. Kazhinji inoratidza zvimwe kunze mudanga mudzimu electronic maatomu akafanana, zvichienderana ayo uchishandisa ezvinhu.

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