Mabaadi'da yar ee hawsha PCB

1: Aasaaska xulashada ballaca fiilada daabacan: Ballaca ugu yar ee siligga daabacan ayaa laxiriira qulqulka hadda jira, caabbinta qudhunta ee khadka tooska ah, oo saamiga saafiga ah ee safka ah, oo saameeya waxqabadka wareegga. Ballaca sadarka ayaa aad u ballaaran, cufnaanta fiilooyinka ma sarreyso, aagga guddiga ayaa kordha, marka lagu daro kordhinta kharashaadka, uma eka in lagu xumaado dhaqdhaqaaqa. Haddii culeyska hadda jira loo xisaabiyo inay tahay 20A / mm2, markii dhumucda caqabadda naxaaska ah uu yahay 0.5 mm, sidaa darteed balacadaha hadda jira ayaa ah 1-51 milyan oo safka (404 mm (404 mm) ayaa buuxin kara shuruudaha dalabka guud. Silica dhulka iyo korantada sahayda guddiga qalabka korantada sare waxaa loo kordhin karaa si habboon iyadoo loo eegayo cabirka awoodda. Wareegtada dhijitaalka ee-xoogga-hoose, si loo wanaajiyo cufnaanta fiilooyinka, ballaca ugu yar ee khadka ugu yar wuxuu ku qancin karaa iyadoo la qaadanayo 0.254-1.27mm (10-15mil). Oo isla wareegis, xadhigga korantada. Siligga dhulka ayaa ka dhumuc badan siligga sectal.

2: Meelaha xariiqda: Markay tahay 1.5mm (qiyaastii 60 mil), korantada isku-darka ee sadarku waa in ka badan 20mm (volt volt, marka loo eego khadadka inta udhaxeysa sadarka oo aan ka badnayn 200V), xadka dhererka ayaa loo qaataa 1.0-15.5 Mm (40-60 mil). Wareegtada korantada ee hooseeya, sida nidaamyada wareegga dhijitaalka ah, maahan lagama maarmaan in la tixgeliyo korantada burburka, maadaama geedi socodka soosaarka uu u oggolaado, inuu aad u yar yahay.

3: Pad: Loogu talagalay 1/8w Caleenta 1 / 8aad, dhexroor ku filan waa ku filan tahay, iyo 1 milyan oo dhexroorku waa mid aad u ballaaran, taasoo dhalisay hoos udhac ah oo ku dhaca abtiga. Way fududahay in la dhaco, daloolka hogaanku aad ayuu u yar yahay, meelaynta qaybta waa adag tahay.

4: Soo jiid xadka wareegga: masaafada ugu gaaban ee udhaxeysa safka xadka iyo qeybta PIN PIN-ka PIN kama yaraan karo 2mm, (guud ahaan 5mm) waa macquul macquul ah) haddii kale, way adagtahay in la gooyo maaddada.

5: Mabda'a qiyaasta qaybta: A: Mabda 'guud: Naqshadeynta PCB, haddii ay jiraan wareegyo dhijitaal ah iyo wareegyada analog labadaba nidaamka wareega. Sidoo kale wareegyada-hada-hada, waa in si gooni ah loogu dhigaa si loo yareeyo isku-darka u dhexeeya nidaamyada. Isbadal isku mid ah, qaybaha waxaa lagu ridayaa baloogyada iyo qaybo ku saleysan jihada qulqulka iyo shaqada.

6: Qeybta Digniinta Diyaaradda Digniinta Direcal Securidka Direct-ka waa inuu u dhow yahay dhinaca guddiga wareega, ka dhig xariijinta calaamadaha iyo soo saarista xariiqda ugu macquulsan ee suuragalka ah, si loo yareeyo faragelinta wax soo gudbinta iyo wax soo saarka.

7: Jihada Meelaynta Qeybta: Qaybaha waxaa lagu diyaarin karaa oo keliya laba jiho, toosan iyo toosan. Haddii kale, kufsiga aan la oggolayn.

8: Kala dheereynta sheyga. Looxadaha cufnaanta dhexdhexaadka ah, kala-goynta udhaxeysa qaybaha yar yar sida tabar yar, dafwareer, diodies, iyo qaybaha kale ee qasaarada ah waxay la xiriiraan nidaamka alxanka iyo alxanka. Inta lagu gudajiro hirarka iibinta, kala dheereynta qaybta ayaa noqon kara 50-100mil (1.27-2.54mm). Weyn, sida qaadashada 100Mil, isku-dhafan isku-dhafan, kala dheereyn waaxeed guud ahaan waa 100-150mil.

9: Marka farqiga u dhexeeya farqiga u dhexeeya qaybaha waa mid ballaaran, kala-goynta udhaxeysa qaybaha waa inay ahaadaan kuwo weyn oo ka hortaga dheecaannada.

10: IC-ga, Coupline Pipuphitor-ka waa inuu u dhawaa Pin-ka korantada korantada ee chip-ka. Haddii kale, saamaynta shaandhaynta ayaa ka sii dari doonta. Wareegtada dhijitaalka ah, si loo hubiyo hawlgalka la isku halleyn karo ee nidaamyada wareegga dijitaalka ah, IC Coupling-ka waxay la dhigaa inta udhaxeysa sahayda korantada iyo dhulka isku dhafan ee isku-dhafka ah ee isku-dhafan. Qulqulka lagu qurxiyo guud ahaan wuxuu u istcimaalaa chip chip chip-ka oo leh awood ah 0.01 ~ 0.1 UF. Xulashada qurxinta awooda Suuqtarka guud ahaan waxay guud ahaan ku saleysan tahay isugeynta nidaamka ka shaqeynta nidaamka F. Intaa waxaa dheer, 1001 UF Capicitos ah ayaa sidoo kale loo baahan yahay inta udhaxeysa khadka korantada iyo dhulka albaabka wareegga korantada.

11: Qeybta saacadaha wareega ee saacaduhu waa inay ahaadaan sida ugu dhow uguna macquulsan ee seenyaalaha saacadaha ee 'PIN-ka' saacad-galeenka 'chip chip chip' si loo yareeyo dhererka isku xirka saacadaha wareega. Waana ugufiican in aan lagu dhex marin siligga hoose.


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