Lub thoob

Dab tsi yog transistor

Tus transistor yog tus ntaus ntawv semiconductor tau siv kom ua kom nrov dua lossis hloov hluav taws xob cov paib thiab lub zog hluav taws xob. Nws yog ib qho ntawm cov theem pib hauv tsev ntawm cov khoom siv hluav taws xob niaj hnub. Nws yog tsim ntawm cov khoom siv semiconductor, feem ntau nrog tsawg kawg yog peb lub terminals rau kev txuas rau hluav taws xob hluav taws xob. Ib qho hluav taws xob lossis cov khoom siv tam sim no rau ib nkawm ntawm cov chaw ua haujlwm ntawm kev tswj hwm tam sim no los ntawm lwm khub ntawm cov kev sib tw. Vim tias cov tswj hwm (tawm) lub zog yuav siab dua li cov tswj (tswv yim) lub zog, tus transistor tuaj yeem ua kom muaj teeb liab. Ib tug transistors tau ntim ib leeg zuj zus, tab sis ntau ntxiv nyob rau hauv daim foos me me pom hauv kev sib xyaw ua ke.

Tsev 12 3 4 5 6 7 Rau sab kawg

Qhov zoo ntawm transistor

Tsawg zog noj

Cov transistors yuav tsum muaj zog tsawg dua li lub tshuab nqus tsev, ua rau lawv zoo tshaj rau cov khoom siv roj teeb siv hluav taws xob zoo li lub xov tooj txawb.

Loj me

Cov transistors muaj ntau dua li lub tshuab nqus dej, ua rau lawv zoo tagnrho rau kev siv hluav taws xob hluav taws xob. Qhov kev txo loj no tau coj mus rau kev txhim kho cov khoom siv hluav taws xob hluav taws xob xws li laptops thiab smartphones.

Siab ntseeg tau

Cov transistors muaj ntau txhim khu kev qha dua li lub tshuab nqus tsev vim tias lawv tsis muaj lus dab neeg uas tuaj yeem hlawv. Qhov no ua rau cov tranistors zoo rau kev siv hauv cov ntawv thov tseem ceeb xws li cov khoom siv kho mob thiab tshuab hluav taws xob aerospace.

Ceev hloov nrawm

Cov transistors tuaj yeem hloov mus thiab tawm ntau dua nrawm dua li lub tshuab nqus tsev. Qhov no ua rau lawv zoo tagnrho rau kev siv hauv cov kab ncig digital zoo li cov microprocess thiab nco cov chips.

Vim li cas thiaj xaiv peb

Tuam txhab kev hwm
Lub tuam txhab tau txais ntau tshaj 80 qhov kev tso cai patentizations, npog cov kev pab cuam patents, tsim patents, thiab cov qauv hluav taws xob patents.

Corporate lub tswv yim
Nthuav ntau cov lag luam sib tham hauv kev ua lag luam oversea ua lag luam, txhim kho cov khoom siv passive, muab kev pabcuam zoo tshaj rau cov qhua tuaj noj mov.

Cov Khoom Siv
Cov khoom siv dav dav rau ntau qhov chaw muaj zog thiab cov khoom siv hluav taws xob (cov khoom siv hluav taws xob (cov khoom siv hluav taws xob (cov khoom siv hluav taws xob (cov qhua tuaj noj mov), kev nyab xeeb), kev nyab xeeb), kev nyab xeeb), kev nyab xeeb), kev nyab xeeb Saib Xyuas Cheeb Tsam (Hikvision, Dahua) thiab lwm thaj chaw.

R & D muaj peev xwm
Raws li kev tswj hwm kev tswj hwm tiag tiag, lub tuam txhab muaj kev tswj hwm kev ua haujlwm zoo li, thiab kev txhawb nqa lub tuam txhab kev tswj hwm kev tsim khoom, thiab kev tsim kho cov ntaub ntawv ntau ntxiv, thiab ua kom tau ntau yam kev xav tau ntawm cov neeg siv khoom.

Yuav ua li cas tanistors ua haujlwm

Tus transistor tuaj yeem ua raws li kev hloov lossis rooj vag rau cov cim hluav taws xob, qhib thiab kaw lub rooj vag hauv hluav taws xob ntau zaus. Nws ntseeg tau tias lub Circuit Court yog nyob yog tias tam sim no yog ntws thiab hloov tawm yog tias nws tsis yog. Cov transistors tau siv nyob rau hauv txoj kev hloov pauv hloov pauv uas muaj txhua tus neeg saib xov tooj niaj hnub. Circuits kuj muaj cov hloov hloov nrawm heev, xws li ntau pua ntawm Gigahertz lossis ntau tshaj 100 txhiab rau-thiab-tawm mus los ib sab.

Cov transistors tuaj yeem ua ke los ua ke ntawm lub rooj vag logic, uas piv ntau cov lus tshaj tawm los muab cov khoom tawm sib txawv. Khoos phis tawj nrog cov rooj vag logic tuaj yeem ua rau cov kev txiav txim siab yooj yim siv Boolean algebra. Cov tswv yim no yog lub hauv paus ntawm niaj hnub no suav xam thiab khoos phis tawj.

Cov transistors tseem ua lub luag haujlwm tseem ceeb hauv kev ua kom sov. Piv txwv li, hauv cov ntawv thov xov tooj cua, thiab cov paib FM, qhov uas tau txais hluav taws xob teeb hluav taws xob yuav tsis muaj zog vim yog kev ntxhov siab, kev ua kom zoo tshaj plaws yog yuav tsum tau muab cov zis audible. Cov transistors muab cov amplification los ntawm kev nce lub teeb liab.

Kev lag luam kev lag luam trantor

Thaum lub teeb liab me me tau thov ntawm ib nkawm ntawm cov chaw nyob hauv ib lub tendentor, lub teeb liab tuaj yeem ua haujlwm los tswj lub teeb liab loj dua ntawm lwm khub ntawm cov chav kawm. Hauv ntu no, cov cuab yeej ntawm tus transistor tau txais vim teeb liab lub zog hauv cov txheej txheem hloov thiab cov zis tsim tuaj yeem yog cov teeb liab lossis hluav taws xob. Yog tias cov tswv yim nce ntxiv ces cov zis tseem nce ntxiv. Hauv lwm lo lus, nws yooj yim hais tias cov zis yog qhov sib nkag siab. Vim tias qhov kev ua no muaj peev xwm ua tau raws li lub suab nrov.

Kev siv lub zog tseem ceeb yog tias nws ua rau Circuital txuas ntxiv tswj tau thiab ntws tau txiav txim siab tam sim no los ntawm lwm qhov Circuit Court hais. Nyob ntawm cov xwm txheej biasing zoo li nraim los yog thim rov qab, cov qauv hloov chaw muaj peb qhov tseem ceeb ntawm kev ua haujlwm txiav, thiab thaj chaw rog.

Hom nquag:Hauv hom no, tus tranessor feem ntau yog siv ua tam sim no amplifier. Hauv cov hom nquag, ob txoj kev sib tshuam sib txawv uas txhais tau tias Emitter-Base Juntion yog tom ntej kev sib cav sib ceg ua ke yog thim rov qab yog thim rov qab. Hauv hom no, tam sim no ntws ntawm emitter thiab sau thiab tus nqi ntawm tam sim no ntws nyob rau hauv proportional rau lub hauv paus tam sim no.

Cutoff hom:Ntawm no yog ob txhais cov kev sib tshuam ua ke thiab muab kev sib tshuam ntawm kev sib tw yog rov ua kev tsis ncaj ncees. Raws li ob qho kev sib tshuam yog thim rov qab tsis zoo, muaj yuav luag tsis muaj tam sim no ntws tshwj tsis yog muaj kev xau me me ntawm cov dej ntws. Hauv BJT hom nws tau hloov tawm thiab yog qhov tseem ceeb qhib Circuit Court. Cov cheeb tsam no tsuas yog siv hauv kev hloov pauv thiab digital logic circuits.

Sab Saturation hom:Hauv hom kev ua haujlwm tshwj xeeb no ntawm kev ua haujlwm, ob lub emitter-puag thiab cov neeg sau-puag ncig yog kev sib tw tom ntej. Ntawm no tam sim no tam sim no dawb los ntawm collection los ntawm emitter nrog yuav luag {2}} tsis kam. Nyob rau hauv hom no, tus transistor tau hloov tag nrho thiab nws yog ib lub circuit Court. Nws yog tsuas yog siv nyob rau hauv hloov pauv thiab digital logic circuits.

Cov khoom siv tranentor thiab cov txheej txheem tsim khoom

Cov ntaub ntawv siv los tsim cov transistors thiab lawv cov txheej txheem tsim khoom yog qhov tseem ceeb rau lawv kev ua tau zoo thiab ua haujlwm. Silicon, lub semiconductor, yog cov siv cov khoom siv feem ntau siv tau vim nws cov semaniconductor zoo li, muaj ntau, thiab tus nqi qis. Nws muaj cov qauv crystalline uas tso cai rau cov kev qhia tswj hwm ntawm impurities, tus txheej txheem hu ua doping, uas yog qhov tseem ceeb rau kev ua haujlwm ntawm cov transistors.

Doping yuav qhia impicities rau hauv silicon hloov nws qhov kev ua haujlwm. Muaj ob hom doping: n-hom, uas dropant atoms muaj ntau qhov chaw hluav taws xob ntau dua li silicon, thiab p-hom, qhov twg Dopant atoms muaj cov tshuab hluav taws xob tsawg dua. Qhov kev sib cuam tshuam ntawm n-hom thiab p-hom ntaub ntawv hauv ib qho transistor tso cai rau kev tswj hwm thiab amplification cov cim hluav taws xob.

Kev tsim qauv tsim ntawm cov transistors yog qhov nyuaj thiab cuam tshuam nrog ntau kauj ruam. Cov txheej txheem pib nrog kev tsim cov wafer silicon, ib daim nyias nyias ntawm Silicon Crystal. Tom qab ntawd, cov wafer yog raug rau ntau cov txheej txheem, suav nrog oxidation, etching, thiab diffusion lossis ion immantation, los tsim cov qauv hloov pauv. Oxidation cuam tshuam rau kev loj hlob ntawm silicon dioxide txheej ntawm wafer, uas ua raws li insulator. Photolithography siv hloov lub transistor tus qauv rau hauv kev tawm tsam los qhia cov khoom tsis muaj kev tiv thaiv cov khoom siv tsis tau los rau hauv silicon.

Cov kauj ruam kawg koom nrog kev sib sau cov neeg sib tw hlau mus rau qhov chaw so ntawm Circuit Court thiab ntim cov khoom siv hloov hluav taws xob rau hluav taws xob. Tag nrho cov txheej txheem yog nqa tawm hauv ib puag ncig kev huv si kom tiv thaiv kev ua paug, uas tuaj yeem cuam tshuam qhov tsis zoo rau qhov kev ua tau zoo.

Kev tsim qauv ntawm cov transistors tau hloov zuj zus ua tsaug rau kev tsim thev naus laus zis, ua rau cov kev tsim kho kom loj dua thiab muaj cov haib dua. Niaj hnub no, cov transistors yog tsim cov txuj ci siab xws li finfet (rooj vag transistor) thiab garcet (warcet (warcet (warcet (warcet (warcet (warcet (warcet (rooj vag transsistors nrog nta me li ob peb nanometers.

Cov kev nce qib no nyob rau hauv cov ntaub ntawv thiab kev tsim cov txheej txheem tau raug yuam kev ntawm kev txhim kho thev naus laus zis, ua kom muaj zog ntawm cov khoom siv muaj zog thiab muaj zog.

Hom transistor

Bipolar Jacktion trantor (BJT)
Bipolar Jacktion clissors yog cov trantors uas tau txhim tsa 3 thaj tsam, lub hauv paus, tus sau, thiab emitter. Bipolar Jacktion trantors, txawv fer trantors, yog cov khoom siv tam sim no. Ib qho me me nkag mus hauv thaj chaw hauv paus ntawm thaj chaw ntawm lub chaw hla kev ua rau muaj ntau qhov ntws tawm tshiab los ntawm cov cheeb tsam emitter rau cov cheeb tsam collector. Bipolar Jacktion tranitors tuaj hauv ob hom loj, NPN thiab PNP. Ib qho NPN trantor yog ib qho uas feem ntau ntawm cov neeg nqa khoom tam sim no yog hluav taws xob.

Electron ntws tawm los ntawm emitter rau cov ntawv sau ua ke lub hauv paus ntawm feem ntau ntawm cov kev ntws tam sim no los ntawm transistor. Cov nqi ntxiv, qhov, yog ib haiv neeg tsawg. Pnp transistors yog qhov fab ntxeev. Hauv PNP transistors, feem ntau ntawm cov thauj khoom tam sim no. BJT tranistors muaj nyob rau hauv ob hom namely pnp thiab NPN.

Ntiv tesp transistor
Tus neeg txuas ntxiv no yog lwm hom BJT - Bipolar Junisters thiab nws muaj ob hom P-hom semiconductor. Cov ntaub ntawv no tau muab faib los ntawm ib qho N-hom Seemondardor txheej. Hauv cov transistors no, feem ntau cov neeg nqa khoom feem ntau yog qhov chaw uas muaj cov tshuab nqa khoom tsawg yog cov electrons.

Nyob rau hauv no transistor, tus xub cim qhia pom cov pa uas ntws tawm tam sim no. Cov kev taw qhia ntawm tam sim no txaus nyob rau hauv no transistor yog los ntawm emitter davhlau ya nyob twg rau lub untector davhlau ya nyob twg. Lub tshuab txuas ntxiv no yuav muab rau ib zaug lub hauv paus pib tau rub mus rau qis li piv nrog emitter davhlau ya nyob twg. Lub PNP teistor nrog lub cim yog qhia hauv qab no.

NPN TOMANSOR
NPN kuj tseem yog ib hom BJT (BiPollolar trackt clivors) thiab nws suav nrog ob lub n-hom sandiconductor cov ntaub ntawv uas tau muab faib los ntawm tus p-p-hom semiconductor txheej. Nyob rau hauv lub Npann Chaw Hla, cov cab kuj feem ntau yog cov hluav taws xob uas muaj hluav taws xob uas muaj cov cab kuj uas yog qhov. Lub tshuab hluav taws xob ntws los ntawm lub davhlau ya nyob twg los rau lub untector davhlau ya nyob twg yuav tsim cov kev ntws tam sim no nyob rau hauv lub davhlau ya nyob hauv lub transistor.

Nyob rau hauv lub transistor, qhov tsawg dua ntawm cov khoom siv tam sim no tuaj yeem ua rau muab cov khoom plig loj ntawm lub davhlau ya nyob twg los ntawm kev sau. Tam sim no, cov siv feem ntau yog NPN transistors, raws li cov electrons kev musility yog siab dua piv nrog txoj kev mus ncig ntawm lub qhov. Tus NPN TENTOROR nrog lub cim yog qhia hauv qab no.

Teb Kev Pheans tendissor
Teb cov nyhuv trackors tau ua los ntawm 3 thaj tsam, lub rooj vag, ib qho chaw, thiab ntws. Cov bipolar sib txawv, cov kab ke yog cov khoom siv hluav taws xob. Ib qho hluav taws xob muab tso rau ntawm lub rooj vag tswj tam sim no ntws los ntawm qhov chaw mus rau qhov dej ntawm lub transistor. Daim teb tau ntxim siab muaj cov impections heev, los ntawm ob peb yam mega ohms (mω) ntawm ntau dua, ntau qhov loj dua.

Qhov kev yuam kev siab no ua rau lawv muaj kev khiav tawm tam sim no heev. (Raws li Ohm txoj cai, tam sim no yog kev cuam tshuam ntawm tus nqi ntawm cov impedance ntawm Circuitance.

Yog li, qhov no yog qhov zoo tagnrho vim tias lawv tsis cuam tshuam nrog cov khoom siv hluav taws xob qub uas lawv txuas nrog. Lawv yuav tsis ua rau lub zog siv hluav taws xob. Lub drawback ntawm pob tawb yog tias lawv yuav tsis muab tib lub amplification uas tuaj yeem pom tau los ntawm bipolar tistors.

Bipolar tendors yog qhov zoo dua nyob rau hauv qhov tseeb tias lawv muab cov amnetification ntau, txawm tias muaj txiaj ntsig zoo dua nyob rau hauv uas lawv tsis tshua thauj khoom, thiab yooj yim dua rau kev tsim khoom. Teb cov nyhuv tracks tuaj hauv 2 hom tseem ceeb: Jfets thiab Mosfets. Jfets thiab mosectets zoo ib yam tab sis mosfets muaj ntau dua cov txiaj ntsig siab tshaj qhov tseem ceeb tshaj jfets. Qhov no ua rau muaj chaw thau khoom hauv Circuit Court. Cov tub ntxhais menyuam cov tub ntxaij tau faib ua ob hom nfet thiab mosfet.

Jfet
JFET sawv rau junuction-cov nyhuv trersistor. Qhov no yog yooj yim nrog rau hom pib ntawm cov fer trantors uas tau siv zoo li cov khoom siv uas tswj tau thiab nws tsis siv kev ntseeg tsis tam sim no. Thaum cov voltage yog thov ntawm rooj vag & source terminals ces nws tswj txoj kev ntws tam sim no ntawm lub hauv paus thiab ntws ntawm JFET Transistor.

Cov kev sib txuas nrog cov txiaj ntsig (Jugfet lossis JFET) tsis muaj ib qho kev sib txuas ntawm cov khoom sib txuas ntawm ob qho tib si

Muaj ob qho kev teeb tsa kev tshav dav hlau uas muaj kev sib tw ua haujlwm tshaj tawm, N-channel JFET thiab P-channel JFET. Lub n-channel JFET cov channel yog doped nrog cov nyiaj impor uas cov ntws ntawm cov channel yog qhov tsis zoo (chaw pib lub sij hawm n-channel) nyob rau hauv daim ntawv ntawm electrons. Cov trantors no nkag tau hauv ob hom P-Channel thiab N-channel.

Tus mosfet
Mosfet lossis hlau-oxide-semiconductor teb-effect teivor yog feem ntau siv ntawm txhua hom transistors. Raws li lub npe qhia, nws suav nrog lub davhlau ya nyob ntawm lub rooj vag. Tus trantor no suav nrog plaub lub terminals xws li, ntws, rooj vag & substrate, lossis lub cev.
Raws li muab piv nrog BJT thiab JFET, Mosfets muaj ntau cov txiaj ntsig raws li nws muab siab rau I \/ P cuam tshuam nrog qis o \/ p impedance. Mosfets feem ntau yog siv nyob rau hauv cov hluav taws xob tsawg tshwj xeeb tshaj yog thaum tsim cov chips. Cov trantors no muaj nyob rau hauv ob hom xws li depetion & txhim kho. Ntxiv mus, cov hom no tau faib rau hauv P-channel & N-channel channel.

Yuav ua li cas rau xaiv tus transistor

Collector tam sim no
Los ntawm cov transistor datasheet, nrhiav rau tus sau cov nqi (IC). Qhov txwv siab tshaj plaws yog 2a. Yog li, hauv koj tus qauv, tsis txhob tshaj tus sau ntsuas qhov tseeb dua rau qib no. Teem lub Chaw Sau Ntawv tiag tiag tam sim no tsuas yog 50% ntawm qhov siab tshaj plaws kev ntsuam xyuas thiab koj tus qauv yuav zoo. Koj tuaj yeem tsim kom tau siab dua 50% tiag tiag tab sis ceev faj thiab xyuas kom koj cov kev xam tam sim no muaj tseeb.

Peak Mulfse Collector Tam Sim No (ICM)
Qhov kev ntsuas no yog qhov tseem ceeb thaum lub transistor siv nyob rau hauv uas tus sau ntawv tam sim no tsis ncaj lossis ntshiab hloov pauv, PSU thiab inverters.

Collector-emitter voltage (VCEO)
Thawj ob txoj kev ntsuas tseem ceeb saum toj no rau kev xaiv tus transistor yog ob qho tib si. Lwm qhov kev sib npaug sib npaug yog cov sau-emitter voltage. Qhov tseeb, qhov no yog lub voltage pom los ntawm lub transistor thaum lub hauv paus qhib. Txhawm rau ntsuas qhov no, tsuas yog tau txais volt meter. Tso qhov kev sojntsuam zoo rau tus sau thaum cov kev ua si tsis zoo rau lub emitter.

Emitter-puag voltage (vebo)
Qhov no yog qhov hluav taws xob hla lub emitter rau kev sib tshuam pib thaum tus sau tau qhib. Lub hauv paus-emitter ntawm tus transistor yog cia li ib tug diode. Hauv lwm lo lus, emitter-puag voltage yog qhov siab tshaj plaws ntawm voltage uas tuaj yeem thov thoob plaws rau no Diode.

COLLECTOR-LAG LOJ Voltage (Vcbo)
Nov yog qhov hluav taws xob hla tus collector kom pib hlws ris thaum lub emitter qhib. Lub hauv paus-sau ntawm ib qho transistor yog ib qho diode. Yog li, cov sau-puag voltage yog qhov siab tshaj plaws ntawm voltage uas tuaj yeem thov thoob plaws rau cov di no. Yuav tsum tau sau tseg kom dhau tus nqi no. Txwv tsis pub, tus transistor yuav tau kev puas tsuaj tam sim ntawd.

Sensation voltage
Lwm qhov ntsuas uas yog qhov tseem ceeb yog qhov kev ruaj khov voltage. Tus collector - emitter saturation voltage xav tau nyob rau hauv thiaj li yuav laij lub zog hluav taws xob tseeb ntawm transistor. Cov ntaub ntawv zoo tshaj plaws yog tias lub hwj chim no tsis txaus. Txhawm rau kom muaj nws, tus sau - emitter saturation voltage yuav tsum muaj tsawg heev.

Lub zog tsis haum
Qhov kev ntaus nqi tom ntej tseem ceeb heev ntawm lub transistor yog lub zog tsis txaus. Nws tau muab nyob rau hauv cov ntaub ntawv datasheet nyiam hauv qab no.

Thermal Kuj
Thaum lub transistor siv los ua haujlwm ntawm qhov ntsuas kub ntau dua li cov nqi ib txwm muaj, thermal yuav tsum tau kom tau txais lub zog siab tshaj plaws ntawm lub transistor. Qhov no tseem hu ua lub zog ntawm de-rated. Thermal kuj yuav yog txhais tau tias yog kev sib tshuam nrog ambient lossis hlws rau rooj plaub.

Cov ntawv thov ntawm transistor

Hloov:Cov transistors tuaj yeem ua haujlwm zoo li hloov hluav taws xob. Los ntawm kev thov ib qho voltage me me, ntws tawm loj tam sim no tuaj yeem tswj tau lossis tawm. Qhov muaj peev xwm no yog qhov tseem ceeb rau digital ncig, lub hauv paus ntawm cov khoos phis tawj niaj hnub thiab ntau lwm yam khoom siv.

Amplifier:Cov cim txuas ntxiv tuaj yeem siv lub teeb liab uas tsis muaj zog hluav taws xob thiab ua kom nws muaj zog dua. Qhov no yog qhov tseem ceeb rau kev thov xws li cov lus qhia hnov, zoo nkauj rau cov twj paj nruag, thiab xov tooj cua thiab xov tooj cua.

Kev sib xyaw ua ke (ICS):Cov transistors yog miniatuded thiab embedded nyob rau hauv coob mus rau me me silicon chips los tsim cov kev sib xyaw ua ke. Cov ICS yog lub plawv ntawm niaj hnub hluav taws xob, pom hauv txhua yam los ntawm smartphones thiab computers rau tsheb thiab cov khoom siv kho mob.

Nco:Cov transistors tau siv nyob rau hauv ntau lub cim xeeb cov cuab yeej, xws li kev nco txog kev nco (RAM) thiab flash nco, uas pab tau cov khoom siv hluav taws xob mus rau lub khw muag khoom thiab khaws cov ntaub ntawv.

Cov Rooj Sib Tham Koom Haum:Cov transistors tuaj yeem ua ke los tsim cov rooj vwm log, cov ntawv theem pib ntawm cov khoom lag luam digital. Cov rooj vim logic ua cov haujlwm yooj yim xws li thiab, lossis, thiab tsis yog, uas tso cai rau cov kev sau ua ke hauv cov khoom siv hluav taws xob.

Cov FAQ

Q: Dab tsi yog qhov ua haujlwm ntawm tus transistor?

A: Cov transistors muaj cov haujlwm ntawm kev ua kom zoo thiab hloov hluav taws xob. Hais txog xov tooj cua, cov cim tsis muaj zog uas tau hloov los ntawm huab cua ua ntej tshaj plaws (amplified) ua ntej ua si los ntawm cov neeg hais lus. Qhov no yog qhov ua tau zoo ntawm lub transistor.

Q: Tus neeg hloov chaw nyob ua haujlwm li cas?

A: Tus transistor muaj ob lub pn diodes connected rov qab rov qab. Nws muaj peb lub terminals namely emitter, puag thiab sau. Cov tswv yim tseem ceeb tom qab lub transistor yog tias nws cia koj tswj qhov kev ntws ntawm ib qho channel los ntawm kev sib txawv ntawm cov ntau me me uas tau ntws los ntawm ib pawg thib ob.

Q: PNP thiab NPN TENDOROR?

A: Bipolar Jackitions clissors yog muab faib ntxiv rau hauv NPN thiab PNP tranistors. Lub Ntsis SSNE muaj ob n-hom sooblematuctor cov khoom sib cais los ntawm ib txheej p-hom. Hauv kev sib piv, lub PNP transistor muaj ob hom P-hom semiconductors sib cais los ntawm ib txheej ntawm n-hom.

Q: Qhov tseem ceeb siv ntawm cov transistors li cas?

A: Cov transistors tau siv nyob rau hauv peb cov hnub nyob txhua hnub hauv ntau daim ntawv, uas peb tau paub txog Asnifatuses thiab hloov pauv chaw. Raws li cov amplifiers, lawv tau siv nyob rau hauv ntau oscillators, modulators, ntes thiab yuav luag txhua qhov Circuit Court ua haujlwm. Hauv kev siv cov digital, cov transistors tau siv los ua ke.

Q: Yuav ua li cas qhia yog tias tus transistor yog NPN lossis PNP?

A: Qhov muaj nuj nqis me me ntawm kev tswj hwm tam sim no tswj hwm ob qho ntawm cov emitter thiab sau cov dej ntws. Cov cim schematic rau NPN thiab PNP tranistors yog qhov zoo tshaj plaws. Tus tib neeg sib txawv yog kev qhia ntawm tus xub ntawm lub emitter. Nws taw rau sab nraud ntawm NPN (ntawm sab laug) thiab sab hauv hauv ib lub PNP (ntawm sab xis).

Q: Tus neeg hloov pauv DC rau AC li cas?

A: Transisors yog cov khoom me me uas muaj peev xwm kom tswj tau los yog tswj cov teeb liab hluav taws xob txaus. Raws li qhov tseeb ntawm qhov tseeb, lub tendentor los ntawm nws tus kheej tsis tuaj yeem nqa txoj haujlwm ntawm kev hloov pauv ntawm DC rau AC thiab nws tseem tsis yog thawj qhov haujlwm ntawm lub transistor.

Q: Puas yog cov transistors tso cai AC lossis DC?

A: Tab sis ntau lub sijhawm, cov transistors tau siv los ua haujlwm nrog AC cim. Ib qho transistor audio piv txwv yog tus piv txwv yog AC cov teeb liab amplifier, txij li lub microphone feem ntau ua rau ib qho zis. Thiab ntawm no yog qhov taw tes uas ntau tus neeg tsis meej pem: tauv tsis tau ac Cheebtsam: cov transistors tsuas yog ua haujlwm nrog DC cim!

Q: Dab tsi yog qhov hluav taws xob xav tau kom tig rau lub transistor?

A: Qhov VBE (SAT) yog qhov yuav tsum muaj nyob hauv kev txiav txim siab-bias tranistor lub hauv paus \/ piv txwv li, kom tig lub transistor rau). Feem ntau hais lus, tus nqi no yog nruab nrab. 6 rau. 7 volts rau ib lub hom phiaj dav dav.

Q: Kuv yuav xaiv lub hwj chim loj dua li cas?

A: Kev xaiv qhov chaw tshwj xeeb rau lub zog hluav taws xob ntawm cov ntawv thov yog nyob ntawm qee cov qauv. Feem ntau cov feem ntau yog los txheeb xyuas qhov xav tau thim rov qab thiab xa mus rau pem hauv ntej. Hloov cov zaus tshwm sim zoo li cov txheej txheem ncaj qha ntsig txog qhov ntim ntawm passive ntsiab, xws li inductors thiab capacitors.

Q: Puas muaj qhov nqus tau ntau txhais tau tias muaj zog ntau dua?

A: Ntau tauv ib nti txhais tau sai dua, cov khoos phis tawj muaj zog dua uas tuaj yeem haum rau hauv cov khoom siv me me. Cov microprocess no tau ua tau nce siab ntawm cov khoom siv hluav taws xob niaj hnub, suav nrog PC koj nyeem cov blog no thiab lub xov tooj ntawm koj lub hnab tshos.

Peb nyob nraum zoo-lub npe hu ua ib qho ntawm kev ua lag luam transistor thiab cov chaw muag khoom hauv Shenzhen, Suav. Yog tias koj yuav yuav yuav lub zog zoo nyob hauv Tshuag, txais tos kom tau txais hais los ntawm peb lub hoobkas. Tsis tas li, OEM kev pabcuam muaj.