Iindaba
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Wenziwa njani umaleko wangaphakathi wePCB
Ngenxa yenkqubo entsonkothileyo yokwenziwa kwePCB, kucwangciso nolwakhiwo lwemveliso ekrelekrele, kuyafuneka ukuba kuqwalaselwe umsebenzi onxulumeneyo wenkqubo kunye nolawulo, kwaye emva koko uphumeze okuzenzekelayo, ulwazi kunye noyilo olukrelekrele.Ukuhlelwa kwenkqubo Ngokwenani...Funda ngokugqithisileyo -
Iimfuno zenkqubo yocingo yePCB (inokusetwa kwimithetho)
(1) Umgca Ngokubanzi, ububanzi bomgca wesignali yi-0.3mm (12mil), ububanzi bomgca wamandla yi-0.77mm (30mil) okanye i-1.27mm (50mil);umgama phakathi komgca kunye nomgca kunye nephedi inkulu okanye ilingana ne-0.33mm (13mil) ).Kwizicelo ezibonakalayo, ukwandisa umgama xa iimeko zivuma;Nini...Funda ngokugqithisileyo -
HDI PCB Design Imibuzo
1. Yeyiphi imiba ekufuneka ibhodi yesekethe iDEBUG iqale kuyo?Ngokubhekiselele kwiisekethe zedijithali, qala ujonge izinto ezintathu ngokulandelelana kwazo: 1) Qinisekisa ukuba onke amaxabiso amandla ayahlangabezana neemfuno zoyilo.Ezinye iisistim ezinonikezelo lwamandla amaninzi zinokufuna iinkcukacha ezithile zomyalelo ...Funda ngokugqithisileyo -
High frequency PCB uyilo ingxaki
1. Ukujongana njani nongquzulwano lwethiyori kwi-wiring yangempela?Ngokwenene, kulungile ukwahlula kunye nokuhlukanisa umhlaba we-analog / digital.Kufuneka kuqatshelwe ukuba umkhondo wesignali akufanele uwele i-moat kangangoko kunokwenzeka, kwaye indlela yokubuya yangoku yokunikezelwa kwamandla kunye nomqondiso akufanele...Funda ngokugqithisileyo -
Uyilo oluphezulu lwePCB
1. Indlela yokukhetha ibhodi yePCB?Ukhetho lwebhodi yePCB kufuneka lubethe ulungelelwano phakathi kweemfuno zoyilo loyilo kunye nemveliso yobuninzi kunye neendleko.Iimfuno zoyilo ziquka iindawo zombane kunye nezomatshini.Le ngxaki yemathiriyeli idla ngokubaluleke ngakumbi xa kuyilwa iibhodi zePCB ezinesantya esiphezulu kakhulu (rhoqo...Funda ngokugqithisileyo -
Nguwuphi umahluko phakathi kokutyalwa kwegolide kunye nokufakwa kwesilivere kwiPCB?
Abadlali abaninzi be-DIY baya kufumanisa ukuba imibala yePCB esetyenziswa ziimveliso ezahlukeneyo zebhodi kwimarike iyakhazimla.Eyona mibala ixhaphakileyo yePCB imnyama, eluhlaza, eluhlaza, emthubi, emfusa, ebomvu namdaka.Abanye abavelisi baphuhlise ngobuchule iiPCB zemibala eyahlukeneyo enjemhlophe kunye nepinki.Kwi-tradi...Funda ngokugqithisileyo -
Zifundise indlela yokugweba ukuba iPCB yeyenyani
–PCBworld Ukunqongophala kwezixhobo ze-elektroniki kunye nokunyuka kwamaxabiso.Ibonelela ngamathuba kubantu bomgunyathi.Namhlanje, izixhobo ze-elektroniki zomgunyathi ziya zithandwa.Iifeki ezininzi ezinje ngee-capacitors, resistors, inductors, iityhubhu zeMOS, kunye neekhompyuter ezine-chip enye zijikeleza...Funda ngokugqithisileyo -
Kutheni uplaga ii-vias zePCB?
Umngxuma ohambisa i-Via yaziwa ngokuba ngomngxuma.Ukuze kuhlangatyezwane neemfuno zabathengi, ibhodi yesekethe ngomngxuma kufuneka iplagwe.Emva kokuziqhelanisa okuninzi, inkqubo ye-aluminiyam yesiqhelo yokuplaga iyatshintshwa, kwaye imaski yebhodi yesekethe yomphezulu we-solder kunye nokuplaga kugqitywe ngomhlophe kum...Funda ngokugqithisileyo -
Ukungaqondi kakuhle 4: Uyilo lwamandla aphantsi
Impazamo eqhelekileyo 17: Ezi zibonakaliso zebhasi zonke zitsalwa ngabaxhathisi, ngoko ndiziva ndikhululekile.Isisombululo esihle: Kukho izizathu ezininzi zokuba kutheni imiqondiso kufuneka itsalwe inyuswe, kodwa ayizizo zonke ezifuna ukutsalwa.I-resistor yokutsalwa kunye nokutsalwa phantsi idonsa isignali elula yokufaka, kwaye yangoku ingaphantsi ...Funda ngokugqithisileyo -
Qhubeka ukusuka kwiSahluko sokugqibela: Ukungaqondi kakuhle 2: Uyilo lokuthembeka
Impazamo eqhelekileyo ye-7: Le bhodi enye iye yaveliswa kwiibhetshi ezincinci, kwaye akukho ngxaki ifunyenwe emva kwexesha elide lokuvavanya, ngoko akukho mfuneko yokufunda i-chip manual.I-Mistake eqhelekileyo 8: Andinakubekwa tyala ngeempazamo zokusebenza komsebenzisi.Isisombululo esihle: Kuchanekile ukufuna ukuba umsebenzisi...Funda ngokugqithisileyo -
Iinjineli zombane zihlala zizenza iimpazamo (1) Zingaphi izinto ozenzileyo?
Ukungaqondi kakuhle 1: Ukugcinwa kweendleko Impazamo eqhelekileyo 1: Nguwuphi umbala ekufuneka isalathisi sikhanyise kwindawo yolawulo?Mna ngokwam ndikhetha iblue, ngoko yikhethe.Isisombululo esihle: Kuba izibane zesalathisi kwiimarike, ezibomvu, eziluhlaza, eziphuzi, ezi-orenji, njl., kungakhathaliseki ubungakanani (ngaphantsi kwe-5MM) kunye nokupakishwa, bane...Funda ngokugqithisileyo -
Yintoni omawuyenze ukuba iPCB ikhubazekile
Kwibhodi yekopi ye-pcb, ukungakhathali okuncinci kunokubangela ukuba ipleyiti engezantsi ikhubazeke.Ukuba ayiphuculwanga, iya kuchaphazela umgangatho kunye nokusebenza kwebhodi yekopi ye-pcb.Ukuba ilahlwa ngokuthe ngqo, iya kubangela ilahleko yeendleko.Nazi ezinye iindlela zokulungisa i-deformation ye-plate ephantsi....Funda ngokugqithisileyo
