Mamwe matanho ekuteerera kushandisa MOS machubhu mubasa

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Furnizuesi portativ i stacionit të energjisë elektrike

Kufambira mberi kwevanhu hakuparadzaniswi kubva kumativi ese ehupenyu, uye kugadziridzwa kwezvinhu zvakasiyana-siyana zvemagetsi hazvizozarura kuedza kwemugadziri wedu. Muchokwadi, vanhu vazhinji havanzwisise kuumbwa kwezvigadzirwa zvemagetsi, seMOS. Tube.

MOS chubhu inobatanidzwa mune conductive kubva kune akawanda anotakura, anozivikanwawo se single-pole transistors. Iyo ndeye voltage control semiconductor zvishandiso. Iine yakakwirira yekupinza yekupokana (10 ^ 7 ~ 10 ^ 12Ω), yakaderera ruzha, yakaderera mashandisiro emagetsi, yakakura simba renji, kubatanidza nyore, hapana chechipiri kuparara chiitiko, yakachengeteka nzvimbo yebasa upamhi, nezvimwe.

, ikozvino bipolar transistor uye Power transistor&39;s mukwikwidzi ane simba. MOS tubular diode (inozivikanwawo separasitic diode) inowanikwa mune imwechete MOS chubhu mudziyo, asi hapana mune yakabatanidzwa dunhu. Iyo diode inogona kushandiswa mukudzivirira kumashure uye kuenderera mberi kweiyo yakakwira ikozvino dhiraivha uye inductive mutoro.

Kazhinji, kudonha kwepamberi kunenge kuri 0.7-1V. Sezvo diode iripo, mudziyo weMOS haugone kungonzwisisa kushandiswa kweshanduko mudunhu.

Semuenzaniso, munharaunda yekuchaja, kuchaja kunopedzwa. Mushure mekubvisa simba, bhatiri rinodzokera kumashure. Chengetedzo yekushandisa MOS (1) Kuti ushandise zvakachengeteka machubhu eMOS, kukosha kwemuganhu wesimba rayo rekuparadza, yakanyanya drain-source voltage, yakanyanya gedhi-source voltage, uye yakanyanya ikozvino haipfurwe mudhizaini yedunhu.

(2) Paunenge uchishandisa marudzi akasiyana-siyana eMOS transistors, anofanirwa kubatanidzwa kudunhu zvakanyatsoenderana nezvinodiwa, uye anofanirwa kutarisisa kune bias polarity yeMOS transistors. Semuenzaniso, pane PN junction pakati pechitubu uye kudonha kweMOS tube, uye gedhi reN-channel chubhu haigone kudzvanywa. Gedhi re-p-channel chubhu haigone kuve yakarerekera kwakashata, uye rudzi urwu rwekusundidzira.

(3) Sezvo iyo impedance yekupinza yeMOSMOS transistor yakakwira zvakanyanya, pini inofanirwa kupfupikiswa panguva yekufambisa nekuchengetedza, uye simbi nhovo yekurongedza inofanirwa kushandiswa kudzivirira ekunze induction inogona kupaza gedhi. Zvakakosha kuziva kuti chubhu yeMOSMOS haigone kuiswa mubhokisi repurasitiki. Zvakanakisisa kuichengeta mubhokisi resimbi.

Panguva imwecheteyo, teerera kune hunyoro hunopikisa pombi. (4) Kuitira kudzivirira kuparara kwegedhi repombi yeMOS, zvese zviridzwa zvekuyedza, mabhenji ebasa, simbi yekusimbisa, uye dunhu pacharo rinofanira kunge rakadzika; kana welding, ndapota tanga waiswa welding. Pamberi pedunhu rekubatanidza, kuguma kwechubhu kunofanirwa kupfupikiswa kune mumwe nemumwe, uye iyo pfupi-yedunhu zvinhu inobviswa mushure mekuputika; apo chubhu inobviswa kubva pamusangano wegungano, iva nechokwadi chokuti muviri wemunhu wakadzikwa nenzira yakakodzera, somuenzaniso kushandisa mhete yepasi.

Chokwadi unogona kushandisa. Yepamberi gasi kudziyisa simbi yemagetsi iri nyore kupinza iyo MOS chubhu kuve nechokwadi chekuchengetedza; kana simba risati ravharwa, mwenje unopinzwa mukati medunhu kana kubva kudunhu. Iwe unofanirwa kuterera kune ari pamusoro ekuchengetedza matanho paunenge uchishandisa MOS.

(5) Paunenge uchiisa iyo MOS chubhu, teerera kune yekumisikidza chinzvimbo kuti udzivise pedyo neiyo inopisa inoburitsa chinhu; kuitira kudzivirira kuzununguka kwechubhu, zvinodikanwa kugadzirisa imba yemwenje. Kana pini yepini yakakombama, dhayamita rayo rinofanira kunge rakakura kudarika saizi yemidzi ye5 mm kudzivirira tsono kukotama uye kutungamirira kukubuda kwemhepo. (6) Paunenge uchishandisa VMOS, singi yakakodzera yekupisa inofanira kuwedzerwa.

Tora VNF306 semuenzaniso, mushure mekuisa 140 × 140 × 4 (mm) radiator, iyo yakanyanya simba inogona kusvika 30W. (7) Mushure mekubatanidza huwandu hwemachubhu mune zvakafanana, sezvo capacitance pakati pe electrode uye kugovera capacitance, yakakwirira frequency maitiro eamplifier yakaderedzwa, uye yakakwirira frequency parasitic oscillation yeamplifier iri nyore kuitika. Zvinokonzerwa nemhinduro.

Nokudaro, kazhinji haisi kupfuura 4 composite tubes in parallel, uye parasitic oscillation resistor yakabatanidzwa pasi kana gedhi rehubhu imwe neimwe. (8) Gedhi-sosi voltage yeMOS chubhu haigone kudzoserwa kumashure, iyo inogona kuchengetwa munzvimbo yakavhurika. Kana iyo insulated gedhi MOS chubhu isingashandiswe, nekuda kwekukwira kwayo kwekupinza, electrode yega yega inofanirwa kupfupikiswa kudzivirira kunze kwemagetsi minda.

Kukuvadza kwekuita kwepombi. 9 Nezvehushoma hwewelding, iwe unogona zvakare kupisa simbi yekunyungudusa usati welding uye kuburitsa plug kana kudzima simba.

Kunyanya, kana welding gedhi rakadzivirirwa MOS chubhu, welding inofanira kuitwa muhurongwa hwegedhi rinobvinza, uye welding inofanira kudimburwa. (10) Kana inotengeswa ne25W yekusimbisa iron, inofanirwa kukurumidza. Kana ukashandisa 45 ~ 75W solder iron, shandisa ma tweezers kusungirira midzi yepini kubatsira kupisa kupisa.

Iyo MOS chubhu inogona kushandiswa kutarisisa kunaka kwechubhu nemamita kuramba faira (tarisa kunaka uye kudzosera kupikisa pakati pega pega pePN junction uye kushorwa pakati pekudonhedza), uye iyo insulated gedhi field effect chubhu haigone kuongororwa kushandiswa kwemultimeter, inofanira kushandiswa Tester. Uyezve, nzira dzenguva pfupi dze electrode yega yega dzinogona kubviswa chete mushure mekubatanidza muyedzi. Paunenge uchibvisa, unofanira kupfupisa, wozoibvisa.

Chinokosha ndechekudzivirira gonhi kuti risayangarara. Muchidimbu, ita shuwa MOS manejimendi ekuchengetedza kushandiswa, zvinofanirwa kutarisisa kune akasiyana matanho ekuchengetedza kuve akasiyana, ruzhinji rwenyanzvi dzehunyanzvi, kunyanya ruzhinji rwevanofarira zvemagetsi, vanofanirwa kutanga zvinoenderana nemamiriro avo chaiwo, Tora nzira inoshanda, yakachengeteka uye inobudirira kushandiswa kweMOS chubhu. .