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Qaar ka mid ah taxaddarrada si aad u fiirsato isticmaalka tuubooyinka MOS ee shaqada

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - អ្នកផ្គត់ផ្គង់ស្ថានីយ៍ថាមពលចល័ត

Horumarka bulshada bini&39;aadmigu waa mid aan ka go&39;in dhammaan qaybaha nolosha, iyo cusboonaysiinta alaabada elektaroonigga ah ee kala duwan ma furi doonto dadaalka naqshadeeye. Dhab ahaantii, dad badan ma fahmi doonaan ka kooban alaabta elektarooniga ah, sida MOS. Tube.

Tuubbada MOS waxay ku lug leedahay maareeyaha ka yimaada inta badan sideyaasha, oo sidoo kale loo yaqaan transistors-ka-cirifka ah. Waxay ka tirsan tahay qalabka xakamaynta korantada. Leh iska caabin sare oo wax gelin ah (10 ^ 7 ~ 10 ^ 12Ω), qaylada hoose, isticmaalka tamarta yar, baaxadda firfircoon ee ballaaran, isdhexgalka fudud, ma jirto ifafaale burbur labaad, bedka goobta shaqada oo ammaan ah, iwm.

, hadda waa transistor-ka laba-cirifoodka ah iyo tartame awood leh oo awood leh. MOS tubular diode (sidoo kale loo yaqaan parasitic diode) oo laga helo hal qalab oo tuubo MOS ah, laakiin ma jiro wareegga isku dhafan. Diode-ka waxaa loo isticmaali karaa ilaalinta gadaale iyo sii wadida wadista sare ee hadda jirta iyo culeyska soo kicinta.

Caadi ahaan, hoos u dhaca cadaadiska hore wuxuu ku saabsan yahay 0.7-1V. Maadaama diode uu jiro, qalabka MOS si fudud uma fahmi karo isticmaalka furaha wareegga.

Tusaale ahaan, wareegga dallacaadda, dallacaadda waa la dhammeeyaa. Ka dib marka korontada la gooyo, batarigu wuu rogi doonaa. Ka taxadarida isticmaalka MOS (1) Si si badbaado leh loogu isticmaalo tuubooyinka MOS, qiimaha xaddidan ee awooddiisa kala daadsanaanta, tamarta ugu badan ee ka soo baxa isha, tamarta ugu badan ee albaabka, iyo hadda ugu badnaan lagama dhaafo naqshadda wareegga.

(2) Marka la isticmaalayo noocyada kala duwan ee transistor-ka MOS, waa in lagu xidhaa wareegga si adag si waafaqsan eexda loo baahan yahay, waana in ay fiiro gaar ah u leeyihiin polarity eex ee transistor-ka MOS. Tusaale ahaan, waxaa jira isgoysyada PN ee u dhexeeya isha iyo qulqulka tuubada MOS, iyo albaabka tuubada N-channel lama riixi karo. Albaabka tuubada p-channel ma noqon karto mid si xun u eexan, iyo riixida noocan oo kale ah.

(3) Mar haddii is-hortaagga taranta MOSMOS ee transistor-ku uu aad u sarreeyo, biinku waa in la gaabiyaa inta lagu jiro gaadiidka iyo kaydinta, iyo baakadaha gaashaanka birta ah waa in la isticmaalaa si looga hortago soo-galin dibadeed oo suurtagal ah inay jabto. Waxaa muhiim ah in la ogaado in tuubada MOSMOS aan la gelin karin sanduuq caag ah. Way fiicantahay in lagu kaydiyo sanduuq bir ah.

Isla mar ahaantaana, fiiro gaar ah u yeelo iska caabbinta qoyaanka ee tuubada. (4) Si looga hortago burburka soo saarista albaabka tuubada MOS, dhammaan qalabka tijaabada, kuraasta shaqada, birta alxanka, iyo wareegga lafteeda waa inay si fiican u qotomaan; marka alxanka, fadlan marka hore alxanka. Ka hor inta aan la isku xirin, dhamaadka tuubada waa in la gaabiyaa midba midka kale, iyo walxaha gaaban ee gaaban ayaa la saaraa ka dib alxanka; marka tuubada laga saaro qaabka isku dhafka, hubi in jidhka bini&39;aadamka uu u qotomo si habboon, tusaale ahaan adigoo isticmaalaya giraanta dhulka.

Dabcan waad isticmaali kartaa. Kuleylinta gaasta horumarsan ee birta korantada ayaa aad ugu habboon in la alxanayo tuubada MOS si loo hubiyo badbaadada; marka korontada aan la xirin, nalka waxaa la galaa wareegga ama wareegga. Waa inaad fiiro gaar ah u yeelataa tallaabooyinka amniga ee kor ku xusan markaad isticmaalayso MOS.

(5) Markaad rakibayso tuubada MOS, fiiro gaar ah u yeelo booska rakibaadda si aad uga fogaato meel u dhow walxaha kuleylka; si looga hortago gariirka tuubada, waxaa lagama maarmaan ah in la hagaajiyo guryaha nalka. Marka ledhka biinku uu qalloocan yahay, dhexroorkiisu waa inuu ka weynaadaa cabbirka xididka 5 mm si looga hortago in cirbadda la leexiyo oo ay u horseeddo daadinta hawada. (6) Markaad isticmaalayso VMOS, weel kuleyl ku habboon waa in lagu daraa.

U soo qaado VNF306 tusaale ahaan, ka dib markaad rakibto 140 × 140 × 4 (mm) hiitarka, awoodda ugu badan waxay gaari kartaa 30W. (7) Ka dib markii isku xidhka tirada badan ee tuubooyinka is barbar, tan iyo capacitance u dhexeeya electrodes iyo capacitance qaybinta, sifooyinka soo noqnoqda sare ee amplifier hooseeyo, iyo inta jeer ee dulin oscillation sare ee cod-weyne waa fududahay in la dhaco. Waxaa keenay jawaab celin.

Sidaa darteed, inta badan ma aha in ka badan 4 tuubbo oo isku dhafan oo isku mid ah, iyo iska caabbinta oscillation parasitic wuxuu ku xiran yahay hoosta ama albaabka tuubo kasta. (8) Korontada isha albaabka ee tuubada MOS dib looma celin karo, taas oo lagu kaydin karo xaalad furan. Marka tuubada MOS ee dahaaran aan la isticmaalin, sababtoo ah iska caabintiisa sare ee gelinta, koronto kasta waa in la soo gaabiyaa si looga hortago meelaha korantada ee dibadda ah.

Waxyeellada ku timaada saamaynta tuubada. (9) Marka la alxanayo, daaska dibadda ee birta alxanka waa in lagu qalabeeyaa silig dhulka dibadda ah si looga hortago in ay dhaawac u tube sababtoo ah birta koronto. Marka la eego qadar yar oo alxanka ah, waxa kale oo aad kululayn kartaa birta alxanka ka hor oo aad ka bixi kartaa furaha ama dami kartaa korontada.

Gaar ahaan, marka la alxanayo tuubada MOS albaabka dahaaran, alxanka waa in loo sameeyaa sida ay u kala horreeyaan iridda soo daatay, iyo alxanka waa in la gooyaa. (10) Marka lagu iibiyo 25W birta alxanka, waa inay ahaataa mid degdeg ah. Haddii aad isticmaashid birta alxanka ee 45 ~ 75W, isticmaal maroojiyeyaasha si aad u xajiso xididdada biinka si ay uga caawiso daadinta kulaylka.

Tuubada MOS waxaa loo isticmaali karaa in si tayo leh loogu hubiyo tayada tuubada faylka iska caabinta mitirka (hubi caabbinta togan iyo dib u celinta u dhaxaysa isgoysyada PN kasta iyo iska caabbinta udhaxeysa qulqulka), iyo tuubada saamaynta garoonka ee dahaaran lama hubin karo isticmaalka multimeterka, waa in la isticmaalo Tijaabada. Waxaa intaa dheer, dariiqyada muddada-gaaban ee electrode kasta waxaa la saari karaa oo kaliya ka dib marka la isku xiro tijaabiyaha. Markaad kala furfurayso, waa inaad soo gaabataa, ka dibna ka saar.

Furaha ayaa ah in laga hortago in albaabka uu sabbeeyo. Marka la soo koobo, hubi isticmaalka badbaadada maaraynta MOS, waa lagama maarmaan in fiiro gaar ah loo yeesho tallaabooyinka badbaadada ee kala duwan si ay u noqdaan noocyo kala duwan, inta badan farsamayaqaannada xirfadlayaasha ah, gaar ahaan inta badan kuwa xiiseeya elektaroonigga ah, waa inay bilaabaan si waafaqsan xaaladdooda dhabta ah, Qaado hab wax ku ool ah, ammaan iyo isticmaalka waxtarka leh ee tuubada MOS. .

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