Ibhodi Lendodakazi Le-AD FMC Elineziteshi Eziningi Elisheshayo: Ukusebenza Okuhle Kakhulu, Okuhola Izinga Elisha Lokutholakala Kwedatha
Kungani ibhodi lendodakazi le-AD FMC elineziteshi eziningi elisheshayo lingaqinisekisa ukutholwa okunembile kakhulu? Ukuhlaziywa okujulile kwezingxenye ezibalulekile
Isizathu sokuthi kungani le PCBA yebhodi lendodakazi ye-AD FMC enesivinini esikhulu eneziteshi eziningi ingafinyelela ukutholwa kwedatha okunembile nokusheshayo kusechungechungeni lwezingxenye ze-elekthronikhi ezisezingeni eliphezulu ezisebenzisayo. Ngesikhathi senqubo yokukhiqizwa kwe-PCB assembly, yonke isixhumanisi, kusukela ekuhlolweni kwezingxenye kuya ekuhlanganisweni kokugcina kuya ku-PCBA ephelele, silandela amazinga aqinile. Lapho sikhetha abaguquli be-analog-to-digital (ama-ADC), sisebenzisa ama-chip asebenza kahle kakhulu avela kumikhiqizo edumile emhlabeni jikelele. Lawa ma-chip anezinga eliphezulu kakhulu lokuhlola kanye nezinqumo, futhi angenza ukuguqulwa okunembile kakhulu kwedijithali kwezimpawu ze-analog zokufaka ngesikhathi esifushane. Ama-chip akhelwe ngaphakathi ngezindlela eziningi zokulwa nokuphazamiseka, njengokuhlunga kwedijithali kanye nokucindezela umsindo, okungasusa ngempumelelo umsindo nokuphazamiseka okuvela kuma-signal, kuqinisekiswe ukunemba kwezimpawu zedijithali eziqoqiwe.Ngesikhathi esifanayo, ama-chip nawo anomsebenzi wokulinganisa okuzenzakalelayo, ongalungisa ngokuzenzakalelayo amapharamitha ngesikhathi sokusetshenziswa kwesikhathi eside ukuqinisekisa ukuzinza kokunemba kokutholwa. Ngokuphathelene nama-capacitor, samukela ukucushwa okuhlanganisa ama-capacitor e-ceramic amaningi (MLCC) kanye nama-capacitor e-tantalum.
Ama-capacitor e-ceramic anezingqimba eziningi anezici zokumelana nochungechunge olulinganayo oluphansi (ESR) kanye ne-inductance yochungechunge olulinganayo oluphansi (ESL), ezingahlunga ngempumelelo umsindo wemvamisa ephezulu ekuhlinzekweni kwamandla futhi zinikeze ukunikezwa kwamandla kwe-DC okuzinzile nokumsulwa kwe-ADC, okuqinisekisa ukuzinza kokusebenza kwe-ADC. Ama-capacitor e-Tantalum, ane-capacitance ephezulu kanye nezici ezinhle zemvamisa ephansi, anganikeza ukwesekwa kwamandla okwanele lapho ukunikezwa kwamandla kushintshashintsha ngokushesha, okuqinisekisa ukunikezwa kwamandla okuzinzile kwe-ADC ngesikhathi senqubo yokusampula ngesivinini esikhulu. Ama-inductor asetshenziswayo ama-inductor e-ferrite aphansi kanye nama-inductor e-wire aqondile aphezulu. Ama-inductor e-Ferrite angacindezela ngempumelelo ukuphazamiseka kwe-electromagnetic (EMI). Endaweni eyinkimbinkimbi ye-electromagnetic, ukuphazamiseka okukhiqizwayo kungathinta ukusebenza okuvamile kwe-ADC. Ama-inductor e-Ferrite angavikela lokhu kuphazamiseka, aqinisekise ukusebenza okuzinzile kwe-PCBA ngokwayo futhi anciphise ukuphazamiseka kwe-electromagnetic kwamanye amadivayisi. Ama-inductor e-wire-wound anokunemba okuphezulu kanye nokuqina okuphezulu. Ngesikhathi senqubo yokuguqulwa kwamandla, zingalawula ngokunembile ushintsho lwamanje, ziqinisekise ukuzinza kokukhishwa kwamandla, futhi zinikeze ukwesekwa kwamandla okuzinzile nokuthembekile kwe-ADC. Kusetshenziswa ama-resistor efilimu acwebezelayo aqinile. Ane-resistor yokumelana okuphezulu kanye nama-coefficients okushisa aphansi, futhi angagcina inani lokumelana elizinzile emazingeni okushisa ahlukene okusebenza, anikeze ama-voltage anembile kanye nemisinga yokucubungula isignali ehlukahlukene kanye nokulawula kusekethe ye-ADC nokuqinisekisa ukunemba nokuqina kokulawulwa kwesekethe. Zonke izingxenye ze-elekthronikhi kumele zihlolwe ngekhwalithi eqinile ngaphambi kokungena emgqeni wokukhiqiza, okuyingxenye ebalulekile yokukhiqizwa kwe-PCB assembly esezingeni eliphezulu. Sisebenzisa imishini yokuhlola i-optical optical ethuthukisiwe (i-AOI) ukuhlola ngokuphelele ukubukeka kwezingxenye ukuqinisekisa ukuthi azikho iziphambeko zokubonakala. Imishini yokuhlola i-X-ray isetshenziselwa ukubona ngokujulile isakhiwo sangaphakathi sezingxenye nokususa izingozi ezingaba khona ezifihliwe. Emigqeni yokukhiqiza ethuthukisiwe eShayina, lezi zingxenye zifakwa ebhodini lesekethe ngenqubo yokuhlanganisa ezenzakalelayo eqondile, ekhombisa izinzuzo zokukhiqizwa kwe-PCB assembly esebenza kahle. Umugqa wokukhiqiza uhlonyiswe ngohlelo lokulawula ikhwalithi oluthuthukisiwe oluqapha amapharamitha ahlukahlukene ngesikhathi senqubo yokuhlanganisa ngesikhathi sangempela, njengokucindezela kokubekwa kanye nokushisa kokugoqa, okuqinisekisa izinga eliphezulu lokuvumelana nokuthembeka komkhiqizo ngamunye, ukufeza umgomo wokukhiqizwa kwenhlangano ye-PCB engenasici. Ibhodi ngalinye lendodakazi le-AD FMC elineziteshi eziningi ezinejubane eliphezulu kumele lihlolwe ngokusebenza okuqinile kanye nokuhlolwa kokuguga ngaphambi kokushiya ifektri, kulingisa izimo zokusebenza ezahlukahlukene ezisetshenziswayo zangempela, kufaka phakathi izinga lokushisa eliphezulu, izinga lokushisa eliphansi, umswakama ophezulu, njll., ukuqinisekisa ukusebenza kwalo okuzinzile nokuthembekile ezisetshenziswayo ezisebenzayo futhi kunikeze isiqinisekiso esiqinile sokutholwa kwedatha okusheshayo.
Isimiso Sokusebenza se-Multi - channel High - speed AD FMC Daughter Board PCBA
Ukwamukelwa Nokulungiswa Kwesignali: Isiqinisekiso Sokutholwa Kwedatha Ngaphambili
Isixhumi esibonakalayo sokufaka sebhodi lendodakazi le-AD FMC elineziteshi eziningi ezinejubane eliphezulu singathola amasignali amaningi e-analog ngasikhathi sinye. La masignali angavela ezinzwa ezahlukene noma kwamanye amadivayisi e-analog, anezici ezahlukene ezifana ne-amplitude kanye ne-frequency. Isekethe yokulungisa amasignali ngaphakathi kwe-PCBA pre - icubungula la masignali okufaka, okuhlanganisa imisebenzi efana nokukhulisa, ukuhlunga, kanye nokuguqulwa kwezinga. Isibonelo, kumasignali e-analog abuthakathaka, isekethe yokulungisa amasignali iwakhulisa ibe yibanga elifanele le-amplitude ukuze i-ADC ikwazi ukuwasampula ngokunembile. Kumasignali aqukethe umsindo we-frequency ephezulu, kusetshenziswa isihlungi se-low - pass ukususa umsindo nokuthuthukisa ikhwalithi yesignali. Phakathi nale nqubo, izinqubo zokukhiqiza i-PCB assembly ezihilelekile ziqinisekisa ukuzinza nokuthembeka kwesekethe yokulungisa amasignali, okubonisa indima ebalulekile yokusekela yokukhiqizwa kwe-PCB assembly enembile ekusebenzeni komkhiqizo.
Ukuguqulwa kwe-Analog - kuya ku-Digital: Ukugxuma Okusuka Kumasignali E-Analog Kuya Kumasignali Edijithali
Izimpawu ze-analog ezihambisanayo zithunyelwa ku-ADC ukuze ziguqulwe ngedijithali. I-ADC isampula izimpawu ze-analog ngezikhathi ezithile ngokwesilinganiso sokusampula esisethwe kusengaphambili kanye nesisombululo, futhi iguqula amanani e-analog asampuliwe abe amakhodi edijithali ahambisanayo. Izinga lokusampula eliphezulu lenza i-PCBA ikwazi ukuqoqa ngokushesha izimpawu ze-analog ezishintshayo, kuyilapho isinqumo esiphezulu siqinisekisa ukuthi izimpawu zedijithali eziqoqiwe zingabonisa ngokunembile izici zezibonakaliso ze-analog. Isibonelo, ekulinganisweni kwesivinini sezinto ezihamba ngesivinini esikhulu, i-ADC enesilinganiso sokusampula esiphezulu kanye nesinqumo esiphezulu ingabamba ngokunembile izinguquko esivinini sento. Le nqubo incike kuma-chip e-ADC asebenza kahle kakhulu kanye nobuchwepheshe bokukhiqiza i-PCB assembly obuhambisana nawo, ukuqinisekisa ukusebenza kahle kanye nokunemba kokuguqulwa kwe-analog kuya kwedijithali, okubonisa indima ebalulekile yobuchwepheshe obuthuthukisiwe bokukhiqiza i-PCB assembly ekufezeni imisebenzi eyinhloko yomkhiqizo.
Ukucubungula Nokudlulisa Idatha: Ukuphathwa Kwedatha Okuphumelelayo
I-microprocessor engaphakathi kwe-PCBA iqhubeka nokucubungula amasignali edijithali akhishwa yi-ADC, njengokuqinisekiswa kwedatha nokuguqulwa kwefomethi. Ngemuva kwalokho, idatha ecutshunguliwe idluliselwa kudivayisi yomsingathi (njenge-FPGA noma i-CPU) ngesixhumi se-FMC. Isixhumi se-FMC sinamakhono okudlulisa idatha ngesivinini esiphezulu futhi athembekile, angahlangabezana nezidingo zesikhathi sangempela zokutholwa kwedatha ngesivinini esikhulu esineziteshi eziningi. Ngesikhathi esifanayo, i-PCBA iphinde isekele amaphrothokholi amaningi okudlulisa idatha futhi ingalungiswa ngokuguquguqukayo ngokwezidingo zedivayisi yomsingathi. Ngesikhathi senqubo yokucubungula idatha nokudlulisa idatha, ukwenziwa ngcono kwenqubo yokukhiqiza i-PCB assembly kuqinisekisa ukusebenza kahle kokucubungula idatha kanye nokuzinza kokudluliselwa kwedatha, okubonisa indima yokukhiqiza i-PCB assembly ngempumelelo ekuthuthukiseni ukusebenza komkhiqizo jikelele.
Ukuphathwa Nokuvikelwa Kwamandla: Isisekelo Sokusebenza Okuzinzile
I-PCBA ifakwe isekethe yokuphatha amandla esebenza kahle engahlinzeka ngogesi ozinzile wengxenye ngayinye. Ngesikhathi esifanayo, kusetshenziswa izindlela eziningi zokuvikela ezifana nokuvikelwa kwamandla angaphezu kwamandla, ukuvikelwa kwamandla angaphezu kwamandla, kanye nokuvikelwa kwamandla angaphansi kwamandla. Uma kwenzeka ukungajwayelekile ekuhlinzekweni kwamandla, amandla anganqanyulwa ngokuzenzakalelayo noma kuthathwe ezinye izinyathelo zokuvikela ukuvimbela umonakalo wengxenye nokuqinisekisa ukusebenza okuphephile nokuzinzile kwe-PCBA. Ngesikhathi sokuklama nokuhlanganiswa kwesekethe yokuphatha amandla nokuvikela, izinqubo zokukhiqiza ze-PCB ezithuthukisiwe zisetshenziswa ukuqinisekisa ukuthembeka nokuzinza kwesekethe, kubeka isisekelo esiqinile sokusebenza okuzinzile kwe-PCBA yonke, okubonisa ukubaluleka okubalulekile kokukhiqizwa kwe-PCB yekhwalithi ephezulu ekuqinisekiseni ukuzinza komkhiqizo.
Ukuphathwa Kwewashi: Ukuvumelanisa Isikhathi Esinembile
Ukuqinisekisa ukunemba kokusampula kwe-ADC kanye nokuvumelanisa kokudluliswa kwedatha, i-PCBA isebenzisa umthombo wewashi onembe kakhulu. Isekethe yokuphatha iwashi isabalalisa isignali yewashi engxenyeni ngayinye edingekayo ukuqinisekisa ukuthi isebenza ngomjikelezo wewashi ofanayo. Ngesikhathi esifanayo, isekethe yokuphatha iwashi nayo inemisebenzi yokulungiswa kwemvamisa yewashi kanye nesinxephezelo sesigaba, okungalungiswa ngokuguquguqukayo ngokwezidingo zezicelo zangempela. Ngesikhathi sokusetshenziswa kwesekethe yokuphatha iwashi, ubuchwepheshe bokukhiqiza i-PCB enembe kakhulu buqinisekisa ukunemba nokuzinza kokudluliswa kwesignali yewashi, buhlinzeka ngesiqinisekiso sokuthatha isampula enembile ye-ADC kanye nokudluliswa kwedatha okuhambisanayo, kugqamisa umthelela obalulekile wokukhiqizwa kwe-PCB enembe kakhulu ezinkomba zokusebenza ezibalulekile zomkhiqizo.
Kwembula Imibuzo Evamile mayelana ne-Multi-channel High-speed AD FMC Daughter Board PCBA
Le PCBA yebhodi lendodakazi ye-AD FMC enesivinini esikhulu ikhiqizwa kuphi?
Impendulo: Ikhiqizwa eShayina, isebenzisa ngokugcwele ikhwalithi ephezulu yaseShayina. Ukukhiqizwa nokuhlanganiswa kwe-PCB izinsizakusebenza. Emkhakheni wokukhiqiza izinto zikagesi, iShayina, ngobuchwepheshe bayo obuthuthukisiwe bokukhiqiza i-PCB assembly, inochungechunge oluphelele lwezimboni kanye nochwepheshe abanolwazi. Kusukela ekuthengweni kwezinto zokusetshenziswa, inqubo ejwayelekile ephezulu ilandelwa ngokuqinile, bese ingena esigabeni sokukhiqiza i-PCB assembly enembile kakhulu. Phakathi nale nqubo, ngezinqubo zokukhiqiza i-PCB assembly enembile kakhulu, ochwepheshe abanekhono basebenzisa imishini yokukhetha nokubeka ethuthukisiwe ukuze benze ngokunembile ukugoqa izingxenye, babeke izingxenye zokufaka ubuso ebhodini le-PCB ngokunemba okuphezulu kakhulu. Le nqubo yokugoqa ikhombisa ngokugcwele ukubaluleka kobuchwepheshe bokufaka ubuso (SMT) ekukhiqizweni kwe-PCB assembly. Ezingxenyeni ezidinga ukufakwa ngemigodi, ngenqubo ephumelelayo yokuxhuma, kusetshenziswa imishini yokuxhuma noma umsebenzi wezandla, izingxenye zifakwa ngokunembile emigodini ye-PCB. Ngemuva kwalokho, ngosizo lwemishini yokuxhuma ehlakaniphile, amasu okuxhuma athuthukile njengokushintshashintsha kwe-solder kanye nokuxhuma kwamagagasi asetshenziswa ukulawula ngokuqinile izinga lokushisa nesikhathi sokuxhuma, ukuqinisekisa ukuthi ijoyinti ngalinye lokuxhuma linokusebenza okuhle kokuxhumana kukagesi kanye namandla omshini, kufezwa imiphumela yokuxhuma esezingeni eliphezulu. Ngesikhathi esifanayo, imishini yokuhlola ethuthukisiwe njengemishini yokuhlola okuzenzakalelayo ye-AOI kanye nemishini yokuhlola ye-X-Ray isetshenziselwa ukuhlola ngokuphelele i-PCB, kungashiyi zinkinga ezingaba khona zinganakwa. Lolu chungechunge lwezinqubo zokuhlola luyisiqinisekiso esibalulekile sokukhiqizwa kwe-PCB engenasici. Okokugcina, ekuhlanganisweni komkhiqizo oqediwe, yonke isixhumanisi ilandela ngokuqinile amazinga aphezulu omhlaba wonke, ifinyelela ukukhiqizwa okusebenzayo, kwekhwalithi ephezulu, kanye ne-zero enesici, ihlinzeka ngesiqinisekiso esiqinile sekhwalithi enhle yomkhiqizo.
Kunjani ukusebenza komkhiqizo?
Impendulo: Leli bhodi lendodakazi le-AD FMC elineziteshi eziningi ezinejubane eliphezulu lisebenza kahle kakhulu. Lisebenzisa ama-ADC asebenza kahle kakhulu, ama-capacitor asezingeni eliphezulu, ama-inductor, ama-resistor, nezinye izingxenye. Ngemva kokuba lezi zingxenye zihlolwe ngokucophelela, zihlanganiswa ngokunembile ebhodini le-PCB ngenqubo yokukhiqiza i-PCB assembly ethuthukisiwe. Ngesikhathi senqubo yokuhlanganisa i-PCB, ubuchwepheshe obuthuthukisiwe bokunamathisela buqinisekisa ukufakwa okunembile kwezingxenye ezibekwe phezulu, ubuchwepheshe obusebenza kahle bokufaka i-plug-in buqinisekisa ukufakwa okufanele kwezingxenye ezisebenzisa imbobo, kanye nobuchwepheshe bokunamathisela obuhlakaniphile buvumela ukuxhumana okuhle kukagesi phakathi kwezingxenye nebhodi le-PCB. Ngalezi zinqubo nobuchwepheshe bokukhiqiza i-PCB assembly ethuthukisiwe, umkhiqizo ungafinyelela ukutholwa kwedatha okusheshayo nokunembile. Ezimweni ezahlukene zohlelo lokusebenza, njengokuzenzakalelayo kwezimboni, ukuhlolwa kokuxhumana, imishini yezokwelapha, njll., ingaqoqa amasignali e-analog ngokuzinzile futhi iwaguqule abe amasignali edijithali anembile, iqinisekise ngempumelelo ikhwalithi nokusebenza kahle kokutholwa kwedatha, okubonisa ukwesekwa okuqinile kokukhiqizwa kwe-PCB assembly ephumelelayo yokusebenza komkhiqizo. Le modeli yokukhiqiza ephumelelayo incike kochwepheshe abanekhono, onjiniyela, kanye nabaphathi. Ngamakhono abo ochwepheshe, basebenzisa imishini ethuthukisiwe futhi bathuthukise inqubo yokukhiqiza ukuqinisekisa intuthuko ebushelelezi yenqubo yonke yokukhiqiza.
Ingabe ikhwalithi yezingxenye iqinisekisiwe?
Impendulo: Akungabazeki ukuthi sisebenzisa inqubo yokuhlola ikhwalithi eqinile kakhulu yazo zonke izingxenye. Ngaphambi kokuba izingxenye zingene emgqeni wokukhiqiza, imishini yokuhlola optical optical (AOI) ethuthukisiwe kanye nemishini yokuhlola i-X-ray isetshenziselwa ukwenza ukuhlolwa okuphelele nokuningiliziwe kokubukeka, usayizi, kanye nesakhiwo sangaphakathi sezingxenye, ukuqinisekisa ukuthi ziyahlangabezana nezidingo eziqinile zezingxenye zokukhiqizwa kwe-PCB ngokunemba okuphezulu. Ngesikhathi esifanayo, umugqa wokukhiqiza ufakwe uhlelo lokulawula ikhwalithi oluthuthukisiwe, oluyingxenye ebalulekile yokukhiqizwa kwe-PCB ehlakaniphile. Iqapha amapharamitha abalulekile ngesikhathi senqubo yokuhlanganisa ngesikhathi sangempela, njengendawo yokubeka izingxenye, izinga lokushisa lokunamathisela, kanye nesikhathi. Lesi sixhumanisi sokulawula ikhwalithi ekukhiqizweni kwe-PCB ehlakaniphile siqinisekisa ukuthi ingxenye ngayinye ingafakwa ngokunembile ebhodini le-PCB, futhi ijoyinti ngalinye le-solder linokusebenza okuhle kokuxhumeka kukagesi kanye namandla omshini, lihlangabezana nezindinganiso eziqinile zekhwalithi ephezulu, ngaleyo ndlela liqinisekise ikhwalithi iyonke yomkhiqizo futhi lifeze umgomo wokukhiqizwa kwe-PCB engenalutho. Kusukela ekuthengweni kwezinto zokusetshenziswa kuya ekuhlanganisweni komkhiqizo oqediwe, yonke isixhumanisi ilawulwa ngokuqinile ochwepheshe ukuqinisekisa ukuthi yonke inqubo yokukhiqiza ihlangabezana nezidingo zokukhiqizwa kwe-PCB esezingeni eliphezulu.
Yiziphi izimo zemvelo ibhodi lendodakazi ye-AD FMC elisheshayo elineziteshi eziningi i-PCBA elingazivumelanisa nazo?
Impendulo: Le PCBA yebhodi lendodakazi ye-AD FMC enesivinini esikhulu eneziteshi eziningi iyakwazi ukuzivumelanisa nezimo zemvelo kahle. Izingxenye ezikhethiwe zingasebenza ngokujwayelekile ebangeni lokushisa eliphakathi kuka-40°C no-85°C kanye nendawo enomswakama ehlobene engu-5% - 95% (engavundi). Ngesikhathi sokuklama nokukhiqizwa kwemodyuli yonke, izici zemvelo ziyacatshangelwa ngokugcwele, futhi kusetshenziswa imiklamo nezinqubo ezikhethekile ezingamelana nomswakama, ezingamelana nothuli, kanye nezivimbela ukudlidliza. Enqubweni yokukhiqiza i-PCB assembly, izinqubo ezithuthukisiwe ziqinisekisa ukuqina nokuqina kwemodyuli, zimelana ngempumelelo nethonya lothuli, umswakama, kanye nokudlidliza endaweni yezimboni. Le ndlela yokukhiqiza enaka imininingwane ivumela i-PCBA ukuthi ihlale ihlinzeka ngokusebenza okuzinzile kohlelo lokuthola idatha, futhi ingabhekana ngokuthula nezindawo zokusebenza ezinzima ezahlukahlukene, ikhombisa izinzuzo zokukhiqiza i-PCB assembly esezingeni eliphezulu ekuthuthukiseni ukuzivumelanisa nezimo zemvelo komkhiqizo. Kuyo yonke inqubo yokukhiqiza, kusukela ekukhetheni izinto zokusetshenziswa, kuya ekuhlanganisweni kwezingxenye, bese kuba ekuhlolweni komkhiqizo oqediwe, isinyathelo ngasinye silandela inqubo yokukhiqiza i-PCB assembly esezingeni eliphezulu ukuqinisekisa ukuthi umkhiqizo ungasebenza kahle ezindaweni ezahlukene.
Ukuhambisana kukagesi kagesi komkhiqizo kunjani?
Impendulo: Ibhodi lethu lendodakazi le-AD FMC elinejubane eliphezulu le-multi-channel line-electromagnetic compatibility enhle kakhulu. Ngesikhathi senqubo yokuklama, izingxenye ezine-magnetic permeability ephezulu kanye nezici zokulahlekelwa okuphansi, njenge-ferrite inductors, zisetshenziselwa ukucindezela ngempumelelo ukuphazamiseka kwe-electromagnetic (EMI). Ngokuhlela kwesekethe okuklanywe ngokucophelela kanye nesakhiwo sebhodi lesekethe elinezingqimba eziningi, ukuhlangana kwe-electromagnetic phakathi kwezifunda kuyancishiswa, futhi ikhono lokulwa nokuphazamiseka kwesekethe liyathuthukiswa. Ngesikhathi senqubo yokukhiqiza i-PCB assembly, izingxenye ziyafakwa futhi zixhunywe ngokuqinile ngokuhambisana nezidingo zokuklama ukuqinisekisa ukuthi yonke imiklamo yokuhambisana kwe-electromagnetic isetshenziswa ngokunembile. Lokhu kwenza i-PCBA isebenze kahle endaweni eyinkimbinkimbi ye-electromagnetic, ngaphandle kokuphazamisa amanye amadivayisi kagesi, futhi ingamelana nokuphazamiseka kwe-electromagnetic yangaphandle, iqinisekise ukunemba kokutholwa kwedatha, okubonisa indima ebalulekile yobuchwepheshe bokukhiqiza i-PCB assembly ethuthukisiwe ekuqinisekiseni ukuhambisana kwe-electromagnetic yomkhiqizo. Kule nqubo, izinqubo nobuchwepheshe bokukhiqiza i-PCB assembly ethuthukisiwe, kanye nokusebenza okunembile kochwepheshe, kuqinisekisa ukuthi umkhiqizo ufinyelela ezingeni elihle kakhulu ngokuya ngokuhambisana kwe-electromagnetic.
Kuthiwani ngokusetshenziswa kwamandla komkhiqizo?
Impendulo: Umkhiqizo usebenza kahle kakhulu maqondana nokusetshenziswa kwamandla. Ama-ADC asebenza kahle kanye nezinye izingxenye zisebenzisa izinqubo zokukhiqiza ezithuthukisiwe futhi zinezici zokusetshenziswa kwamandla aphansi. Ngesikhathi esifanayo, ngesikhathi senqubo yokukhiqiza i-PCB assembly, ukwakheka kwesekethe yemojula yonke kwenziwa ngcono ngokuklama kwesekethe okunengqondo kanye nokukhethwa kwezingxenye, kunciphisa ukulahleka kwesekethe okungadingekile. Isibonelo, ngesikhathi sezinqubo zokunamathisela kanye nokufaka i-plug-in, ukwakheka kwengxenye okunembile kwenza indlela yokudlulisa isignali ibe mfushane, kunciphisa ukulahleka kokudluliselwa kwesignali; ubuchwepheshe bokunamathisela obuhlakaniphile buqinisekisa ikhwalithi yamajoyinti e-solder, kunciphisa ukusetshenziswa kwamandla okwengeziwe okubangelwa ukunamathisela okungekuhle. Lezi zinyathelo zokukhiqiza i-PCB assembly eziphumelelayo zivumela yonke imojula ukuthi inciphise ngempumelelo ukusetshenziswa kwayo kwamandla ngenkathi ihlangabezana nezidingo zokuthola idatha ngesivinini esikhulu. Ezindleleni zokusebenza ezahlukene, ukusetshenziswa kwamandla kungalungiswa ngobuhlakani ukuze kuthuthukiswe ukusebenza kahle kwamandla, okuhambisana nomkhuba wokuthuthukiswa kokonga amandla aluhlaza. Kuyo yonke inqubo yokukhiqiza, indlela yokukhiqiza i-PCB assembly esebenza kahle idlula kusukela ekwakhiweni kuya ekuhlanganisweni, futhi isixhumanisi ngasinye sisiza ekunciphiseni ukusetshenziswa kwamandla kanye nokuthuthukisa ukusebenza.
Uyini umjikelezo wokukhiqiza webhodi lendodakazi ye-AD FMC elineziteshi eziningi ezinesivinini esikhulu i-PCBA?
Impendulo: Umjikelezo wokukhiqiza uyahlukahluka kuye ngobuningi be-oda kanye nezidingo ezithile. Ngokuvamile, kuma-oda ezincazelo ezijwayelekile, ngemishini yokukhiqiza ye-PCB ethuthukisiwe kanye nezinqubo zokukhiqiza ezisebenzayo, singafinyelela ukukhiqizwa okusheshayo kwe-PCB, futhi umjikelezo wokukhiqiza cishe izinsuku ezingama-20. Emikhiqizweni eyenziwe ngokwezifiso, njengoba kudingeka ukwakheka okukhethekile kanye nokulungiswa kwenqubo, okuhlanganisa nokushintsha umklamo wesekethe ngokwezidingo zamakhasimende, ukukhetha izingxenye ezithile, kanye nokulungisa amapharamitha enqubo yokukhiqiza, umjikelezo wokukhiqiza unganwetshwa ube yizinsuku ezingama-40. Ngemva kokuthi i-oda seliqinisekisiwe, sizokwakha ngokushesha uhlelo lokukhiqiza olunemininingwane futhi sicacise isikhathi sokulethwa, sisebenzise ngokugcwele imodeli yokukhiqiza esebenza kahle ukuqinisekisa impendulo ngesikhathi ezidingweni zamakhasimende futhi sinciphise umjikelezo wokulethwa. Kuyo yonke inqubo yokukhiqiza, kungaba yi-oda ejwayelekile noma umkhiqizo owenziwe ngokwezifiso, kuncike emishinini ethuthukisiwe, abasebenzi abangochwepheshe, kanye nenqubo yokukhiqiza ye-PCB esebenza kahle ukuqinisekisa ukulethwa komkhiqizo ngesikhathi.
Ingabe umkhiqizo uyawusekela umklamo owenziwe ngokwezifiso?
Impendulo: Yebo, iyasebenza. Sineqembu lochwepheshe be-R & D elingenza umklamo owenziwe ngokwezifiso ngokwezidingo zamakhasimende ezahlukene. Kungakhathaliseki ukuthi kuyimingcele yobuchwepheshe njengenani leziteshi, izinga lokuhlola, kanye nesisombululo, noma izici ezifana nosayizi wemodyuli kanye nohlobo lwesixhumi esibonakalayo, zingalungiswa futhi zilungiselelwe ngokwezidingo zakho ezithile. Ngesikhathi senqubo yokwenza ngokwezifiso, ithimba lethu le-R & D lizocabangela ngokugcwele izimo zangempela zesicelo kanye nezinkomba zobuchwepheshe, kuhlanganiswe nobuchwepheshe nezinqubo zokukhiqiza i-PCB assembly ezithuthukisiwe, ukuqinisekisa ukuthi sikunikeza isisombululo se-PCBA sebhodi lendodakazi ye-AD FMC esinejubane eliphezulu esifanelekile kakhulu. Kusukela esigabeni sokuklama, sizogcina ukuxhumana okuseduze namakhasimende futhi silungise uhlelo lokuklama ngesikhathi esifanele ngokwempendulo yamakhasimende; ngesikhathi sesigaba sokukhiqiza, sizosebenzisa izinqubo zokukhiqiza i-PCB assembly ezinembayo futhi eziphumelelayo ukuguqula ngokunembile umklamo owenziwe ngokwezifiso ube umkhiqizo wangempela, ukuhlangabezana nezidingo ezihlukile zamaphrojekthi namakhasimende ahlukene. Kule nqubo, abasebenzi abangochwepheshe, ubuchwepheshe obuthuthukisiwe, kanye nezinqubo ezisebenzayo ziyabambisana ukuqinisekisa ukulethwa kwemikhiqizo eyenziwe ngokwezifiso kwekhwalithi ephezulu.
Isicelo: Izinzuzo Ezinhlanu Eziyingqayizivele ze-Multi-channel High-speed AD FMC Daughter Board PCBA, Ukudala Imodeli Yemboni
Isivinini esiphezulu kanye nokutholwa okunembile okuphezulu: Ukunikeza Isisekelo Esinembile Sokucubungula Idatha
Ngokusebenzisa ama-ADC asebenza kahle kakhulu, izimpawu eziningi ze-analog zingaqoqwa ngokuvumelanayo ngesilinganiso sokuhlola esiphezulu kakhulu kanye nesisombululo. Kungakhathaliseki ukuthi isignali eshintsha ngokushesha noma isignali ebuthakathaka, ingaguqulwa ngokunembile ibe isignali yedijithali, inikeze isisekelo sedatha esinembile sokucubungula nokuhlaziya idatha okulandelayo, futhi ihlangabezane ngempumelelo nezidingo zokutholwa kwedatha okusheshayo.
Ukuzinza Okuhle Kakhulu Nokuthembeka: Ukuqinisekisa Ukutholwa Kwedatha Okuqhubekayo Nokuzinza
Izingxenye ze-elekthronikhi ezisezingeni eliphezulu zikhethwa ngokucophelela, njenge-capacitor ye-ceramic enezingqimba eziningi ene-ESR ephansi ehambisana ne-tantalum capacitors enamandla aphezulu, ukuqinisekisa ukunikezwa kwamandla okumsulwa nokuzinzile nokunciphisa ukuphazamiseka kwe-ripple. Ama-inductor e-ferrite angenawo amandla aphezulu kanye nama-inductor e-wire wound aqondile aphezulu acindezela ukuphazamiseka kwe-electromagnetic futhi athuthukise ikhono lokulwa nokuphazamiseka kwesekethe. Ngesikhathi esifanayo, ngenqubo yokuhlola ikhwalithi eqinile, kufaka phakathi ukuhlolwa kwe-AOI okuthuthukisiwe kanye ne-X-ray, kanye nokuhlolwa kokusebenza nokuguga okulingisa izimo zangempela zohlelo lokusebenza, i-PCBA ingasebenza ngokuzinzile nangokuthembekile ezindaweni eziyinkimbinkimbi nangesikhathi sokusebenza isikhathi eside, yandisa kakhulu isikhathi sokusebenza esingenaphutha sohlelo lokuthola idatha.
Ukuzivumelanisa Nezimo Ezinhle Kakhulu Kwezemvelo: Ukubhekana Nezindawo Zokusebenza Eziyinkimbinkimbi Kalula
Ubunzima bendawo yokuthola idatha bucatshangelwa ngokugcwele ekwakhiweni. Izingxenye ezikhethiwe zingasebenza ngokujwayelekile ebangeni lokushisa eliphakathi kuka-40°C no-85°C kanye nendawo enomswakama ehlobene engu-5% - 95% (engavundi). Lonke imodyuli linokwelashwa komklamo kanye nenqubo ekhethekile engangeni umswakama, engangeni uthuli, kanye nengangeni ukudlidliza, okungamelana ngempumelelo nethonya lothuli, umswakama, kanye nokudlidliza endaweni yezimboni, futhi njalo kuhlinzeke ukusebenza okuzinzile kohlelo lokuthola idatha, oluzivumelanisa nezimo zokusebenza ezinzima ezahlukahlukene.
Umklamo wokusebenza kahle kakhulu nokonga amandla: Ukuhola uMkhuba Omusha Wamandla - ukonga ekuthengweni kwedatha
Ama-ADC asebenza kahle kakhulu kanye nezinye izingxenye zisebenzisa izinqubo zokukhiqiza ezithuthukisiwe futhi zinezici zokusetshenziswa kwamandla aphansi. Uma ihlanganiswe nomklamo wesekethe ofanele kanye nokukhethwa kwezingxenye, i-PCBA ingalungisa ngokuhlakanipha ukusetshenziswa kwamandla ngezindlela ezahlukene zokusebenza. Ngenkathi ihlangabezana nezidingo zokuthola idatha esheshayo, inciphisa kakhulu ukusetshenziswa kwayo kwamandla, ithuthukisa ukusebenza kahle kokusetshenziswa kwamandla, yonga izindleko zokusebenza zesikhathi eside kubasebenzisi, futhi ihambisana nomkhuba wokuthuthukiswa kokonga amandla aluhlaza.
Isevisi Yokwenza Ngokwezifiso Eguquguqukayo: Ukudala Izixazululo Zokuthola Idatha Ezikhethekile
Sineqembu lochwepheshe le-R & D elingahlinzeka ngemiklamo eyenziwe ngokwezifiso ngokuya ngezidingo ezahlukahlukene zamakhasimende. Kungakhathaliseki ukuthi yimingcele yezobuchwepheshe efana nenani leziteshi, izinga lokuhlola, kanye nesisombululo, noma izici ezifana nosayizi wemodyuli kanye nohlobo lwesixhumi esibonakalayo, singakwazi ukwenza ngokwezifiso izixazululo zebhodi lendodakazi ye-AD FMC ye-multi-channel high-speed PCBA ezifaneleke kakhulu ngokusekelwe ezimweni zangempela zesicelo kanye nezinkomba zobuchwepheshe ukuze kuhlangatshezwane nezidingo ezihlukile zamaphrojekthi namakhasimende ahlukene.