Izindaba
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Yiziphi Amapharamitha we-Resistor?
Kunamapharamitha amaningi we-resistor, ngokuvamile sivame ukukhathazeka mayelana nenani, ukunemba, inani lamandla, lezi zinkomba ezintathu zifanelekile.Kuliqiniso ukuthi kumasekethe edijithali, asidingi ukunaka imininingwane eminingi, phela kukhona u-1 no-0 kuphela ngaphakathi ...Funda kabanzi -
Indlela Yokwandisa I-IGBT Driver Yamanje?
Isekethe yomshayeli we-semiconductor yamandla iyisigaba esingaphansi esibalulekile samasekethe ahlanganisiwe, anamandla, asetshenziselwa ama-IC abashayeli be-IGBT ngaphezu kokuhlinzeka ngezinga lokushayela kanye nelamanje, ngokuvamile ngemisebenzi yokuvikela idrayivu, okuhlanganisa ukuvikelwa kwesekethe emfushane ye-desaturation, ukuvala i-undervoltage, i-Miller clamp, ...Funda kabanzi -
Ukufakwa kwe-Anti-deformation yezingxenye zebhodi lesifunda eliphrintiwe
1. Kuhlaka lokuqinisa kanye nokufakwa kwe-PCBA, i-PCBA kanye nenqubo yokufaka i-chassis, i-PCBA esontiwe noma ukuqaliswa kohlaka lokuqinisa olusontekile lokufakwa okuqondile noma okuphoqelelwe kanye nokufakwa kwe-PCBA ku-chassis ekhubazekile.Ingcindezi yokufaka idala umonakalo kanye nokuphuka kwengxenye yomthofu...Funda kabanzi -
I-PCBA Processing Pads Awakho Ekuhlaziyweni Kwesizathu Se-tin
Ukucutshungulwa kwe-PCBA kubuye kwaziwe ngokuthi yi-chip processing, ungqimba olungaphezulu olungaphezulu lubizwa ngokuthi ukucutshungulwa kwe-SMT, ukucubungula kwe-SMT, okuhlanganisa i-SMD, i-plug-in ye-DIP, ukuhlolwa kwe-post-solder nezinye izinqubo, isihloko samaphedi awekho ethini ikakhulukazi Isixhumanisi sokucubungula i-SMD, ukunamathisela okugcwele izingxenye ezihlukahlukene ze-b...Funda kabanzi -
Yiluphi ulwazi oludingekayo ukuze uklame amabhodi e-PCB?
1. Ukulungiselela Kubandakanya ukulungiswa kwezingxenye zemitapo yolwazi kanye nezinhlelo.Ngaphambi kwedizayini ye-PCB, qala ngokulungiselela ilabhulali yengxenye ye-SCH eyisikimu kanye nelabhulali yephakheji yengxenye ye-PCB.Umtapo wezincwadi wephakeji wengxenye ye-PCB usungulwa kangcono ngonjiniyela ngokususelwa kulwazi olujwayelekile losayizi we ...Funda kabanzi -
Ukucatshangelwa kwe-PCB Design Layout
Ukuze kube lula ukukhiqiza, ukuthunga kwe-PCB ngokuvamile kudinga ukuklama iphuzu le-Mark, i-V-slot, unqenqema lokucubungula.I. Umumo wepuleti lesipelingi 1. Uhlaka lwangaphandle lwebhodi lokuhlanganisa le-PCB (unqenqema olubambayo) kufanele lube idizayini eyiluphu evaliwe ukuze kuqinisekiswe ukuthi ibhodi lokuhlanganisa le-PCB ngeke lonakale ngemva...Funda kabanzi -
Siyini ukuhlukaniswa kwekhanda lokubeka i-Smt mounter?
Ikhanda elikhuphukayo libuye libizwe ngokuthi i-suction nozzle, liyingxenye eyinkimbinkimbi futhi eyinhloko yohlelo lokusebenza kanye nezingxenye emshinini wokukhweza.Uma kuqhathaniswa nomuntu, lilingana nesandla somuntu.Ngoba ezingxenyeni zokucubungula zokubekwa ezibekwe ebhodini le-PCB isenzo siyadingeka...Funda kabanzi -
Ungagwema Kanjani Iphutha Lokukhetha Nokubeka Umshini?
Umshini wokukhetha nokubeka indawo uwumshini wokukhiqiza onembe kakhulu.Indlela yokwelula impilo yesevisi yomshini ozenzakalelayo we-SMT ukugcina umshini wokukhetha nokubeka othomathikhi ngokuqinile futhi ube nezinqubo ezihambisanayo zokusebenza kanye nezidingo ezihlobene ze-automatic p...Funda kabanzi -
Yimiphi Imithetho Ebalulekile Yokuhamba Nge-PCB Okufanele Ilandelwe Lapho Usebenzisa Iziguquli Ezinesivinini Esiphezulu?
Ingabe kufanele kuhlukaniswe izingqimba zomhlabathi ze-AGND ne-DGND?Impendulo elula iwukuthi kuya ngesimo, futhi impendulo enemininingwane ukuthi ngokuvamile abahlukani.Ngoba ezimweni eziningi, ukuhlukanisa ungqimba lomhlabathi kuzokhulisa kuphela inductance ye-return current, okuletha okwengeziwe...Funda kabanzi -
Yiziphi Izinyathelo Eziyisi-6 Ezibalulekile Ekwenziweni Kwe-chip?
Ngo-2020, kwakhiqizwa ama-chips angaphezu kwesigidi sezigidi emhlabeni wonke, alingana nama-chips angu-130 aphethwe futhi asetshenziswa umuntu ngamunye emhlabeni.Nokho noma kunjalo, ukushoda kwe-chip kwakamuva kuyaqhubeka kubonisa ukuthi le nombolo ayikafinyeleli umkhawulo wayo ophezulu.Yize ama-chips esengavele akhiqizwe endaweni enkulu kangaka...Funda kabanzi -
Liyini Ibhodi Lesifunda le-HDI?
I. Liyini ibhodi le-HDI?Ibhodi le-HDI (I-High Density Interconnector), okungukuthi, ibhodi lokuxhumanisa elinomthamo omkhulu, ukusetshenziswa kobuchwepheshe bembobo egqitshiwe engaboni kahle, ibhodi lesifunda elinomthamo omkhulu wokusatshalaliswa komugqa.Ibhodi le-HDI linomugqa wangaphakathi nomugqa wangaphandle, bese kuba nokusetshenziswa kokumba,...Funda kabanzi -
Ukukhethwa Kwedivayisi ye-MOSFET Kwemithetho Emi-3 Emikhulu
Ukukhethwa kwedivayisi ye-MOSFET ukuze kucatshangelwe zonke izici zezici, kusukela kokuncane ukuya kokukhetha uhlobo lwe-N noma uhlobo lwe-P, uhlobo lwephakheji, olukhulu ukuya ku-voltage ye-MOSFET, ukumelana nokumelana, njll., izidingo zohlelo lokusebenza ziyahlukahluka.Isihloko esilandelayo sifingqa ukukhethwa kwedivayisi ye-MOSFET yemithetho emi-3 emikhulu, ngikholwa ukuthi...Funda kabanzi