Theknoloji, Elektronike
Ke seo pnp-transistor?
Transistors - le disebediswa tsa ho seka-mokhanni, oo liqeto ha ho na e ka tlaase ho tse tharo. Maemong a itseng, ba ka khona ho ntlafatsa bokhoni ba ho hlahisa loebehlana kapa sokolla ba pontšo. Ho na le ba e ngata ea merero e fapaneng ya disebediswa tsa ho tsena, 'me har'a bona - pnp-transistor.
Go arologana transistors ka lintho tse bonahalang semiconductor. Ba li etsoa la ka silicon, germanium, joalo-joalo
Ha transistor ea libakeng tse tharo na tse peli leq-mofuta conductivity, e bitsoa "transistor le conductivity otlolohileng", kapa "phetiso transistor pnp". E sethusathuto oo libakeng tse peli ba le elektrone e conductivity, o ile a re ka transistor ka khanna lithuto tsa khutlisetsang kapa phetoho npn. Sebetsa transistors bobeli ke e tšoanang, empa phapang larileng feela polarity ena.
Moo ho hlokehang pnp-transistor?
Ho itšetlehile ka ea mofuta ofe le litšobotsi tse linaheng kangoo, e ka sebelisetsoa merero e mengata. Joalokaha ho se ho boletsoe, ho transistor e sebediswa bakeng sa moloko, ntlafalo le kholiso ea ka matshwao a medumo tsa motlakase. Ka lebaka la 'nete ea hore input gagamalo kapa morao-rao e fetohile, taolo jwale o etsoang ho tsoa oa potoloho le input. liphetoho tse nyenyane ka entsprechen le input lebisa ya phetoho le ho feta ka morao-rao khumo le gagamalo. Joalo kholiso thepa e sebelisoa ka thekenoloji analoge (-le-moea, analoge TV, puisano le joalo-joalo. D.).
Mehleng ea rōna, e sebelisoa ho analoge mokhoa ferekanyang pnp-transistor. 'Me bona! Ke lefapha la' ngoe ea bohlokoa haholo - ditsitithale thekenoloji - hoo e ka bang ba ile ba hana ho le sebedisa tšimo feela. Ferekanyang pnp-transistor bonahala tšimo khale pele ho moo, hobane ka parlance tloaelehile hore batho ba o ile a re feela e ne e transistor ka.
Performance le ditekanyetso tsa transistors ho
Transistors constructively entsoeng ka polasetiki ebe tšepe masakeng. Ho nahana ka merero e fapaneng ya transistors, lisebelisoeng tsena di a khetha ho latela entsprechen itseng. Ka mohlala, haeba ka transistor tsa kholiso ea maqhubu a phahameng, ho lokela ho ba le e phahameng maqhubu pontšo kholiso. 'Me haeba transistor pnp sebelisitsoe ka regulator jwale, e lokela ho ba le e phahameng ho sebetsa' mokelli oa morao-rao.
References e na le litšobotsi tsa sehlooho tsa transistor ho:
- Ek - sebetsa (palo e kahodimodimo) mokelli oa morao-rao;
- h21e - phaello ea;
- Fgr - palo e kahodimodimo maqhubu kholiso;
- Pk - mokelli dissipation matla.
phototransistors
Phototransistor - mochine o nahanela le ts'ebetsong leseli, leo irradiates eona. The tiisitsoe matlo lebokose la jwalo transistor entseng, mohlala, entsoe ka polasetiki e bonaletsang kapa khalase. Mahlaseli a ka e kena e le setsi sa ea libaka phototransistor. Ha botlaaseng e irradiated, joale tefello bajari ba generated. Phototransistor bula ha qoso bajari fallela le 'mokelli oa mateano,' me ho feta tla koahela botlaaseng, ba mokelli oa hona joale e tla mohlomong.
Ntle transistors ke ke ra nahana elektronike kajeno. Hoo e ka bang ha ho sesebelisoa bo tebileng boo ke ke a etsa ntle le bona. Nakong ea lilemo tsa kopo le ntshetsopele ya transistors fetohile haholo, empa molao-motheo oa tshebetso bona ke se tšoanang.
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