LUBANG Supplier Channel ndi fakitale yoyambirira komanso woimira fakitale yoyambirira, amatha kusangalala ndi ntchito yomweyo kapena yabwinoko ndi fakitale yoyambirira pokhudzana ndi chithandizo chaukadaulo, kusanthula kulephera kwa zitsanzo, kukhazikika kwa chain chain ndi zina zotero.Gwero ndi mtundu wa katundu ndi zenizeni, zowonekera komanso zodalirika.Ngati kasitomala akufuna, ukadaulo wa Haohaixin utha kukupatsani ma voucha oyambira omwe ali ndi dongosolo loyambira lothandizira.Kuwongolera kwathu mosamalitsa kwa njira zoperekera ndizomwe zili pachimake pakuwongolera kwathu.Kampaniyo yadutsa chiphaso cha ISO.Kuwonetsetsa kukhazikika kwa njira zogulitsira makasitomala, mwayi wofulumira ku zitsanzo ndi zosowa zazing'ono zogulira batch ndi kubweza mtengo wamagulu ndi mtengo womwe timapereka kwa makasitomala.
ic chip ndi mtundu wapadera wa zotsatira za kafukufuku waukadaulo, kuchuluka kwa chitukuko cha tchipisi cha ic, cholowa mwalamulo mu gawo la kafukufuku wa chipangizo champhamvu, zogula zimafunikira chidwi kangapo, anthu akupitilizabe kasamalidwe ka mphamvu kuti asunge njira yogulira ya ic power chip, zotsatirazi akuyang'ana mbali za ic chip kugula ayenera kulabadira ndi zofunika, kusankha njira.
1. Samalani mtengo wogulira tchipisi ta ic
Choyamba, ic Chip ndi Chip ndi zambiri luso zili, ic Chip zogula tcheru ku malo msika ndi ntchito mtengo mphamvu, mtengo mfundo ya katundu, koma sangathe ndalama, ndi chidziwitso kugula luso, ndi ndalama. motsutsana ndi mtengo, ndi chikhalidwe chofunikira cha dziko lapansi.
2. Samalani ndi kagawo ka ic chip
Pali njira zambiri zogulira tchipisi ta ic, chifukwa ndi magulu osiyanasiyana, njira yogulira ilinso ndi kusiyana kobisika, monga tchipisi ta AD/DC IC tchipisi timafunika kuwongolera mphamvu yamagetsi otsika, komano ndi kuwongolera kwamphamvu kwambiri. kusintha transistor, mwinamwake gwirizanani ndi mitundu ina ya tchipisi ic osokonezeka, mphamvu chinthu nthawi zambiri kulamulidwa pa malo oyenera, zogula ndi zofunika kulabadira kuona.
3.ic chip opanga zogula kuti asankhe chidwi
ic Chip zogula kuthandiza mabizinezi kumvetsa opanga osiyanasiyana, akhoza kulabadira kusiyana pakati pawo, mmene kusankha ndi vuto, choyamba malinga ndi likulu ntchito wopanga kuona kukula kwa kupanga, ndiye kwa ndodo luso kuti onani khalidwe la chip, ic chip kugula, opanga kupanga kusanthula kwapadera.
Makhalidwe osiyanasiyana a ic chip ogula amapezedwa molingana ndi zofunikira za tchipisi ta ic, momwe zinthu ziliri zimawunikidwa, kusankha kuli kosiyanasiyana, kudalirika ndi kwakukulu, ndipo lingaliro silingapangidwe mosasamala, zomwe zimakhudza kugwiritsa ntchito tchipisi ta ic. .
Integrated dera Chip ndi mbali yofunika ya zikuchokera mankhwala pakompyuta, kukumana Chip anakonza kapena zoipa Chip, mankhwala ntchito kulephera ndi mavuto ena akhoza kuchitika.Ndiye, choyambirira, chatsopano, chokonzedwanso ndi chiyani?
1. Kutumiza koyambirira kumatanthawuza fakitale yoyambirira yomwe idapangidwa, yogawidwa kukhala yoyambirira komanso yapakhomo.
2. Mawu oti "katundu watsopano wochuluka" amagwiritsidwa ntchito makamaka pankhani ya tchipisi ta IC, ndipo tanthauzo lake ndi motere:
a.Izi sizimapangidwa ndi fakitale yoyambirira, zitha kupangidwa ndi opanga ena, koma ndi mtundu wapachiyambi, ndiye kuti, katundu wabodza.
b.Katunduyo amapangidwa ndi fakitale yoyambirira, chifukwa ndi zinthu zina zosayenerera zomwe zimapangitsa kuti katunduyo asakwaniritsidwe, koma ntchitoyo ikadali bwino, panthawiyi fakitale yoyambirira idzachepetsa mtengo ndikutaya kudzera munjira zina. .
c.Zopanga zoyambilira, zogwiritsidwa ntchito, zopukutidwa, zopakidwa zitini, kenako ndikugulitsidwa, zomwe zimadziwikanso kuti SAN new.
3, katundu wokonzedwanso amatanthauza mankhwala kuchokera ku fakitale yoyambirira pambuyo pa kupanga, pambuyo pa kugwiritsidwa ntchito, pali kuvala kwina, pambuyo pokonza, kuti maonekedwe ake abwezeretsedwe kufupi ndi fakitale yoyambirira yomwe idangopangidwa.
Triode ndi gawo lomwe limagwiritsidwa ntchito kwambiri pamabwalo apakompyuta, koma limatha kulephera pakagwiritsidwe ntchito.Maluso othandiza ndi njira zothetsera vuto la triode ndi izi:
1. Mutha kugwiritsa ntchito multimeter kuyesa kuti muwone ngati polarity, kukulitsa kwapano, kutayikira kwapano ndi magawo ena a transistor ndizabwinobwino.Ngati vuto lapezeka, mutha kuganiziranso kusintha ma triode.
2. Mungagwiritse ntchito oscilloscope kuti muwone momwe transistor ikugwirira ntchito, fufuzani ngati chizindikirocho ndi chachilendo, ngati pali kusokoneza ndi mavuto ena.Ngati vutoli lipezeka, mutha kulingalira kusintha ma triode kapena kusintha magawo ozungulira.
3. Kuphatikiza apo, mutha kugwiritsanso ntchito mfuti yamoto kapena tebulo lowotcherera pakuwotcha kuti muwone ngati pali vuto lamafuta mu transistor.Ngati mupeza vuto, mutha kuganizira zosintha ma transistor kapena kukonza.
Kuti muthetse vuto la triode, m'pofunika kuganizira mozama zinthu zambiri, ndikugwiritsa ntchito njira zoyenera zodziwira ndi kukonza.
Anthu amatha kuyika mapulogalamu ena okhazikika mu chipangizo cha MCU.Pakompyuta ya chip imodzi imatha kupeza kachidindo kachikumbutso panthawi yogwira ntchito, kenako ndikuchita zomveka, kuti athe kugwira ntchito zogwirizana ndi ma code.Malingana ngati MCU idzazimitsa, pulogalamu ya MCU idzatsekedwa.
M'moyo wanzeru, MCU yakhala njira yoyendetsera zida zina zanzeru.M'miyoyo ya anthu ndi zida zopangira, pakhoza kukhala zowongolera zazing'ono kulikonse, monga zida zowonera nthawi, zida zowongolera zokha ndi zina.SCM ili ndi ntchito yowongolera yokha ndipo imagwiritsidwa ntchito kwambiri.Makina aliwonse omwe amagwiritsidwa ntchito m'moyo wa anthu amakhala ndi SCM yophatikizika.Mwachitsanzo, mafoni omwe timagwiritsa ntchito komanso zoseweretsa za ana azikhala ndi 1 mpaka 2 microcontroller.
M'munda wa ntchito, ntchito yaikulu ya single Chip microcomputer ndi zida zina zokha, amene akhoza zochokera luso limodzi Chip microcomputer kusintha chikhalidwe makina ndi zida zamagetsi, kuti ena chikhalidwe makina ndi zida zamagetsi kukwaniritsa basi kulamulira. .Mwachitsanzo, kugwiritsa ntchito makompyuta a single-chip kungathe kulamulira mafani ndi zoziziritsira mpweya, zomwe zingawalimbikitse kuti azigwira ntchito yolimba kwambiri, kuti anthu athe kuwongolera mosavuta zida zina zamakina ndi zamagetsi.
Magawo a magwiridwe antchito a TDK capacitors ndizizindikiro zofunika pakuwunika momwe amagwiritsidwira ntchito bwino komanso momwe amagwiritsidwira ntchito bwino, ndipo kudzera mu magawo awa, amatha kuthandiza anthu kusankha ndikugwiritsa ntchito zinthu zamagetsi kapena zamagetsi moyenera.
Zofunikira zogwirira ntchito za TDK capacitors makamaka zimaphatikizapo izi:
1. Ma voliyumu ogwiritsira ntchito: amatanthauza kuchuluka kwamphamvu kwamagetsi opitilira muyeso pamalo omwe amagwiritsidwa ntchito.Izi zimatsimikizira kuchuluka kwamagetsi komwe capacitor imatha kupirira kuzungulira, kupitilira voteji iyi kungayambitse kuwonongeka kwa capacitor.
2. Mwadzina capacitance ndi zololeka kupatuka: Mphamvu chizindikiro ndi mphamvu mwadzina wa capacitor, koma pali cholakwika pakati capacitance mphamvu, choncho m'pofunika kumvetsa mgwirizano pakati pa kupatuka ndi capacitance mphamvu.Gawoli ndilofunika kwambiri kuti zitsimikizire kuti capacitor ikugwira ntchito bwino mu dera.
3. Mphamvu ya dielectric: kuthekera kwa capacitor kupirira mphamvu yamagetsi popanda kuwonongedwa.Ichi ndi gawo lofunikira kuti muwone ngati ma capacitor amatha kugwira ntchito mokhazikika m'malo okwera kwambiri.
4. Kutayika: Mphamvu zomwe zimagwiritsidwa ntchito ndi capacitor chifukwa cha kutentha zimatchedwa kutayika kwa chip capacitor.Izi zikuwonetsa kutayika kwa mphamvu kwa capacitor pogwira ntchito, zomwe ndizofunikira kwambiri pakuwunika momwe ntchitoyo ikuyendera komanso moyo wautumiki wa capacitor.
5. Kuchita kwa insulation: makamaka kumaphatikizapo kukana kutchinjiriza, nthawi yokhazikika komanso kutayikira kwapano.Kukaniza kwa insulation kumawonetsa kukana kwazinthu zotsekera mkati mwa capacitor, ndipo ndicholondolero chofunikira chowunika kutayikira kwa capacitor.Kusasinthasintha kwa nthawi komanso kutayikira kwapano ndizofunikanso kuwunika momwe ma capacitor amagwirira ntchito.
6. Kutentha kwapakati: Kugwirizana pakati pa kusintha kwa kutentha ndi kusintha kwa capacitance.Chizindikiro ichi chikuwonetsa kukhazikika kwa magwiridwe antchito a ma capacitor m'malo osiyanasiyana otentha, zomwe ndizofunikira kwambiri kuti zitsimikizire kuti ma capacitor akugwira ntchito modalirika m'malo ovuta.
Zomwe zili pamwambazi ndikuwunika magwiridwe antchito a TDK capacitors.Ndibwino kuti muyang'ane mosamala bukhu la mankhwala ndi pepala lachidziwitso pamene mukugula ma capacitor kuti mumvetse mtengo weniweni ndi kukula kwa ntchito zosiyanasiyana zogwirira ntchito kuti muwonetsetse kuti ma capacitor amatha kukwaniritsa zofunikira zenizeni.
Posankha capacitor pa board yagalimoto yoyenera, zinthu zotsatirazi ziyenera kuganiziridwa:
1. Mphamvu: Sankhani mphamvu yoyenera ya capacitance malinga ndi zosowa za galimoto zamagetsi zamagetsi kuti zitsimikizire kuti capacitor ikhoza kupereka mphamvu yokwanira yosungiramo mphamvu kuti ikwaniritse zosowa za dera.
2. Voltage: Mphamvu yamagetsi ya capacitor iyenera kufanana ndi magetsi a galimoto yamagetsi kuti atsimikizire kuti capacitor ikhoza kugwira ntchito bwino mkati mwa dongosolo lamagetsi.
3. Kutentha kosiyanasiyana: Chifukwa chakuti malo ogwirira ntchito mkati mwa galimoto angakhale ovuta kwambiri, m'pofunika kuonetsetsa kuti capacitor yosankhidwa ikhoza kugwira ntchito bwino pa kutentha kwakukulu.
4. Kudalirika: Sankhani ma capacitors omwe amayesa kudalirika ndikukwaniritsa zovomerezeka zamakampani agalimoto kuti mutsimikizire kukhazikika kwa ntchito yake ndi mtundu wake.
5.ESR (yofanana kukana mndandanda) : ESR imakhudza kwambiri kukhazikika kwa magwiridwe antchito ndi mphamvu zamagalimoto zamagetsi zamagalimoto, ndipo capacitor yokhala ndi ESR yotsika iyenera kusankhidwa.
6. Mawonekedwe a Scale ndi chipangizo: Ganizirani ngati sikelo ndi chipangizo cha capacitor chikukwaniritsa zofunikira za kapangidwe ka galimoto yamagetsi, kuphatikizapo kukula ndi kulemera kwa malo omwe ali nawo komanso ngati zipangizo zapadera zokonzekera zimafunikira.
7. Mtengo: Pansi pa zofunikira zogwira ntchito zokhutiritsa, mtengo ndi mtengo wa ma capacitors amaonedwa kuti akwaniritse kusankha kwachuma komanso koyenera.
Mwachidule, zomwe zili pamwambazi zimaganiziridwa posankha ma capacitor amtundu wa magalimoto oyenerera.Ndibwino kuti muyang'ane ku zomwe ogulitsa akugulitsa komanso zambiri zaukadaulo posankha, kapena kufunsira akatswiri kuti aunike ndikutumiza.
1. Kuti mudziwe mizati yabwino ndi yoipa kuchokera ku maonekedwe, malekezero abwino a zitsulo phukusi voteji regulator diode chubu thupi ndi lathyathyathya, ndi malekezero zoipa ndi semicircular.Thupi la pulasitiki losindikizidwa la diode, kumapeto kwa electrode yolakwika, mbali ina ya electrode yabwino yosindikizidwa ndi zolembera zamitundu.Chizindikiro cha regulator diode sichidziwika bwino, mutha kugwiritsanso ntchito multimeter kusiyanitsa polarity yake, njira wamba yoyezera diode ndiyofanana, ndiye kuti, fayilo ya multimeter R * 1k, zolembera ziwirizo zimalumikizidwa ndi ma elekitirodi awiri. diode yowongolera, yesani zotsatira zake, kenako sinthani miyeso iwiri yolembera.Muzotsatira ziwiri zoyezera, pamene mtengo wotsutsa uli wochepa kwambiri, cholembera chakuda chakuda chimagwirizanitsidwa ndi electrode yabwino ya diode yolamulira, ndipo cholembera chofiira chofiira chimagwirizanitsidwa ndi electrode yolakwika ya diode yolamulira.Kukaniza kwabwino ndi koyipa kwa diode yowongolera ndi yaying'ono kapena yopanda malire, kuwonetsa kuti diode yowongolera ndi yolakwika kapena yowonongeka.
2. Mphamvu yamagetsi ya 0 ~ 30 v imayesedwa ndi magetsi osinthika a DC, ma 13 v regulator diode otsatirawa, voteji yamagetsi oyendetsedwa amatha kusinthidwa kukhala 15 v, ndipo mphamvu ya chingwe cha amayi oyembekezera ndi kokha 1.5 kΩ panopa kukana kuchepetsa malire amayezedwa pambuyo diode Zener chikugwirizana ndi cathode, ndi mphamvu Zener diode ndi zabwino, ndipo kachiwiri Zener diode voteji amayezedwa ndi multimeter, ndi kuwerenga kuyeza ndi Zener diode voteji mtengo. .Pamene mtengo wa diode wowongolera voteji ndi waukulu kuposa 15V, mphamvu yamagetsi yamagetsi imasinthidwa kukhala yopitilira 20V.Mamita a Megohm pansi pa 1000V angagwiritsidwenso ntchito kupereka magetsi oyesera a ma diode oyendetsedwa.Njirayi ndi: megohm mita Zener diode ya electrode negative, megohm meter negative megohm ndi gawo labwino la diode ya Zener, ndipo mita ya megohm imayendetsedwa motsatira malamulo, nthawi yomweyo, multimeter imayang'anira voteji. pa malekezero onse a Zener diode (mbiri voteji multimeter ayenera kudalira khola voteji mtengo), malangizo a multimeter voteji ndi khola, ndi Zener diode voteji mtengo ndi khola voteji mtengo.Ngati khola voteji mtengo wa voteji regulator diode kuyeza, zimasonyeza kuti diode ndi wosakhazikika.
Poganizira kuwongolera kwa EMI, mainjiniya opanga mapangidwe ndi mainjiniya opanga ma board a PCB amayenera kuganizira kaye kusankha kwa IC chip.Mawonekedwe ena a mabwalo ophatikizika monga mtundu wa phukusi, ukadaulo wa bias voltage ndi ukadaulo wa chip (mwachitsanzo CMOS, ECI) amakhudza kwambiri kusokonezedwa ndi ma elekitiroma.
1. Integrated circuit electromagnetic interference source
Magwero a PCB a EMI Integrated circuit makamaka akuphatikizapo: EMI siginecha voteji ndi siginecha panopa chifukwa cha mafunde mafunde mafupipafupi mafunde pa mapeto a linanena bungwe, kupanga magetsi munda ndi maginito mphamvu chifukwa cha capacitor ndi inductance chip palokha mu kutembenuka kwa digito kophatikizana kozungulira kuchokera kumalingaliro apamwamba kupita kutsika kapena kuchokera kumalingaliro otsika kupita kumalingaliro apamwamba.
Mafunde a square opangidwa ndi IC chip amakhala ndi zida za sinusoidal ndi harmonic zokhala ndi ma frequency osiyanasiyana, omwe amapanga ma frequency a electromagnetic interference omwe amakhudzidwa ndi mainjiniya ndi akatswiri.Ma frequency apamwamba kwambiri a EMI, omwe amadziwikanso kuti EMI transmitting bandwidth, ndi ntchito ya nthawi yokwera chizindikiro (osati ma frequency azizindikiro).
Mtengo uliwonse wamagetsi m'derali umagwirizana ndi mphamvu inayake, ndipo panopa aliyense amafanana ndi voteji.Pamene kutulutsa kwa IC kumasinthidwa kuchokera kumtunda womveka kupita kutsika momveka bwino kapena kuchokera kutsika momveka kupita kumtunda womveka, ma voltages amtunduwu ndi mafunde amagetsi amapanga magetsi ndi maginito, ndipo maulendo apamwamba kwambiri a magetsi ndi maginitowa ndi bandwidth yotumizira.Mphamvu yamagetsi ndi maginito ndi kuchuluka kwa ma radiation akunja, osati ntchito ya nthawi yowuka ya chizindikiro, komanso zimadalira mtundu wa capacitor ndi kuwongolera kwa inductance pakati pa njira yolumikizira kuchokera kugwero kupita kumalo onyamula, kotero PCB. gwero chizindikiro lili, ndipo katundu ili mu madera ena Integrated, dera Integrated pa bolodi dera mwina kapena ayi PCB.Kuti muzitha kuyendetsa bwino kusokoneza kwa ma elekitiroma, ndikofunikira kusamala osati capacitance ndi inductance, komanso capacitance ndi inductance yomwe ilipo pa PCB.Monga mapangidwe a PCB, mapangidwe a phukusi la IC amathanso kukhudza kwambiri EMI.
Mapaketi ophatikizika ozungulira amakhala ndi chip-based silicon, PCB yaying'ono yamkati, ndi solder pad.Chowotcha cha silicon chimayikidwa pa kapepala kakang'ono ka PCB 64 ka silicon pomanga kugwirizana pakati pa mzere ndi pad, ikhozanso kulumikizidwa mwachindunji mu phukusi laling'ono la PCB lomwe likudziwa chizindikiro ndi mphamvu pazitsulo za silicon ndi kugwirizana pakati pa zofanana. mapini pa phukusi, kuti muzindikire chizindikiro ndi mphamvu ya silicon wafer kunja.
Capacitor leakage (low insulation impedance) ndi mtundu wamba wolephera, ndipo zifukwa zake zazikulu zitha kugawidwa m'zinthu zamkati mukupanga ndi zinthu zakunja pakupanga.Zomwe zimayambitsa kutayikira kwa chip capacitor zimagawidwa m'mitundu iwiri, imodzi ndi vuto lamkati, ndipo linalo ndi vuto lakunja.
Choyamba, zinthu zamkati
1. Palibe
Patsekeke wopangidwa ndi evaporation wa zinthu zachilendo mu capacitor pa sintering.Ma voids amatha kuyambitsa mabwalo amfupi pakati pa ma electrode ndi kulephera kwamagetsi komwe kungachitike.Ma voids akuluakulu samangochepetsa IR, komanso amachepetsa mphamvu yogwira ntchito.Mukayatsidwa, ndizotheka kuyambitsa kutentha kwapang'onopang'ono chifukwa cha kutayikira, kuchepetsa magwiridwe antchito a sing'anga ya ceramic, kukulitsa kutayikira, zomwe zimapangitsa kusweka, kuphulika, kuyaka ndi zochitika zina.
2. Sintering Crack
Mng'alu wa sintering nthawi zambiri umakhala chifukwa cha kuzizira kofulumira munjira ya sintering ndipo umawonekera molunjika m'mphepete mwa electrode.
3. Kusokonezeka
Stratification nthawi zambiri amapangidwa pambuyo stacking, chifukwa osauka lamination kapena mphira kukhetsa, osakwanira sintering, mpweya wosakanikirana pakati pa zigawo, zosafunika kunja ndi yopingasa yopingasa akulimbana.N'zothekanso kuti kuwonjezereka kwa kutentha kwa zipangizo zosiyanasiyana pambuyo posakaniza sizikugwirizana.
Chachiwiri, zinthu zakunja
1. Kutentha kwa kutentha
Thermal mantha makamaka zimachitika soldering yoweyula, kusintha mofulumira kutentha, chifukwa cha ming'alu pakati maelekitirodi mkati capacitor, kawirikawiri ayenera kupezeka ndi muyeso, kuonerera pambuyo akupera, kawirikawiri ming`alu yaing`ono, ayenera kugwiritsa ntchito galasi kukulitsa kutsimikizira, mu nthawi zingapo padzakhala ming'alu yowoneka.
Pankhaniyi, tikulimbikitsidwa kugwiritsa ntchito kuwotcherera reflow, kapena kuchepetsa kutentha kutentha pa soldering yoweyula (osapitirira 4 ~ 5 ° C / s), ndi kulamulira kutentha m'munsimu 60 ° C pamaso kuyeretsa gulu.
2. Kupanikizika kwa makina akunja
Chifukwa chigawo chachikulu cha MLCC ndi ceramic, pakuyika kwa zigawo, sub-plates, screws ndi njira zina, zikutheka kuti kupanikizika kwa makina kumakhala kwakukulu kwambiri kuti kupangitse kuti capacitor iphwanyidwe ndi kusweka, zomwe zimapangitsa kuti zisawonongeke.Panthawiyi, mng'aluwu nthawi zambiri umakhala wosasunthika, wosweka kuchokera pamzere wa terminal ndi thupi la ceramic.
3. Kusamuka kwa solder
Kuwotcherera m'malo otentha kwambiri kungayambitse kusuntha kwa solder kumapeto onse a capacitor, ndipo pamene kulumikizidwa palimodzi, kutayikira ndi kufupikitsa kungayambitse.
1. Pali mitundu yovomerezeka
Malingana ngati mumadziwa mos chubu zinthu zamagetsi zamagetsi, mudzadziwa kuti pali zinthu zambiri zodziwika bwino zomwe zimatumizidwa kunja, ndipo pomvetsetsa opanga mos chubu, ndithudi, choyamba muyenera kumvetsera ngati opanga malonda akunja akunja. zokwanira.Mingary Technology yakhala ndi mitundu ingapo ya ziyeneretso zovomerezeka zovomerezeka zaka zambiri zapitazo, chifukwa chake wopangayo adapeza zaka khumi zakubadwa.
2, akhoza kupereka mayankho oyenera
Nthawi zina makasitomala amakumana ndi mavuto okha, chifukwa alibe chidziwitso chokwanira, sichidziwika bwino momwe angathetsere bwino, koma akatswiri opanga ma chubu a mos ndi osiyana, ndipo ndithudi adzakhala omveka bwino omwe angathe kulola makasitomala kugula zinthu zoyenera.Malingana ngati zofuna zikukwezedwa, wopanga akhoza kupereka mwamsanga njira yoyenera.
3. Osadandaula chifukwa chosowa chakudya
Malingana ngati mungagwirizane ndi opanga akatswiri odziwa ntchito nthawi zonse, ziribe kanthu kuti mungagule zingati, kapena mitundu yosowa kwambiri, mutha kulola opanga kuti athetse mavuto kudzera muzakudya zolemera ndi mitundu yonse ndi maubwino ena.Pamene katunduyo ndi wokwanira, malinga ngati katunduyo akutsimikiziridwa, katunduyo akhoza kutumizidwa posachedwa.
Onani apa, tiyenera kudziwa omwe opanga ma chubu a mos ali akatswiri komanso odalirika, makamaka, malinga ngati mphamvu za opanga, zimatha kukhala ndi mgwirizano wa nthawi yayitali ndi iwo.Chifukwa ubwino wa utumiki ndi wabwino kwambiri, kotero ngati mutapeza vuto ndi mankhwala, mukhoza kulankhulana ndi ogwira ntchito mu nthawi kuti athane nazo.
Ndi kukula mofulumira kwa zigawo zikuluzikulu, pali zitsanzo zosiyanasiyana za triode, ndi magawo oyambirira a mtundu uliwonse wa triode ndi osiyana, ndi zimene ayenera kusamala pogula triode, ndi kudziwa magawo oyambirira a triode. .Tiye tikambirane lero.
Sankhani ma triode ayenera kudziwa magawo oyambira a triode, ndipo ayenera kudziwa ma frequency, phokoso ndi mphamvu zotulutsa za triode.
1. Khalidwe pafupipafupi fT.Ndi kuwonjezeka kwa mphamvu yotulutsa mphamvu, mphamvu yaikulu yogwirira ntchito ya triode ikhoza kuchepetsedwa, ndipo ma frequency fT ofanana ndi β = 1 amatchedwa ma frequency frequency fT a triode.Pakupanga ndi kupanga mabwalo amagetsi, ma triode pama frequency apamwamba, ma frequency apakati, oscillator ndi mizere ina ayenera kusankhidwa ndi capacitance yaing'ono yamagetsi, ndipo mawonekedwe ake pafupipafupi Fr ayenera kukhala 3 mpaka 10 mphamvu linanena bungwe.Ngati maikolofoni opanda zingwe apangidwa, ma frequency amtundu wa triode 9018 ayenera kutengedwa kuposa 600NHz.
2. Kusankhidwa kwa phokoso ndi mphamvu zotulutsa.Popanga ma amplifiers otsika pafupipafupi, magawo akulu monga phokoso ndi mphamvu zotulutsa za triode zimaganiziridwa.Ndikoyenera kusankha chubu chokhala ndi Iceo yocheperako yolowera, chifukwa Iceo yaying'ono, imapangitsa kudalirika kwa kutentha kwa amplifier.M'madera otsika kwambiri, ngati mphamvu yaing'ono yotulutsa mphamvu yowonjezera-kukoka chubu yasankhidwa, mphamvu yotaya mphamvu iyenera kukhala yocheperapo kapena yofanana ndi 1W, ma elekitirodi akuluakulu amakono ayenera kukhala osachepera kapena ofanana ndi 1.5A, ndi pazipita. voteji ntchito mbali ina ndi 50 ~ 300V.
