Nkhani
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Khumi zolakwika za dongosolo la mapangidwe a bolodi la PCB
Ma board ozungulira a PCB amagwiritsidwa ntchito kwambiri pazinthu zosiyanasiyana zamagetsi m'maiko otukuka masiku ano.Malinga ndi mafakitale osiyanasiyana, mtundu, mawonekedwe, kukula, wosanjikiza, ndi zinthu za matabwa ozungulira PCB ndizosiyana.Chifukwa chake, chidziwitso chomveka bwino chimafunikira pamapangidwe a circui ya PCB ...Werengani zambiri -
Kodi mulingo wa PCB warpage ndi wotani?
M'malo mwake, PCB warping imatanthawuzanso kupindika kwa bolodi lozungulira, lomwe limatanthawuza bolodi loyambira lathyathyathya.Akayikidwa pa desktop, malekezero awiri kapena pakati pa bolodi amawonekera pang'ono m'mwamba.Chodabwitsa ichi chimadziwika kuti PCB warping mumakampani.Fomula yowerengera t...Werengani zambiri -
Kodi zofunika laser kuwotcherera ndondomeko PCBA kamangidwe?
1.Design kwa Manufacturability wa PCBA The manufacturability kamangidwe ka PCBA makamaka amathetsa vuto la assemblability, ndi cholinga ndi kukwaniritsa lalifupi ndondomeko njira, apamwamba soldering mlingo chiphaso, ndi otsika mtengo kupanga.Zomwe zimapangidwa makamaka zimaphatikizapo: ...Werengani zambiri -
Mapangidwe opanga mawonekedwe a PCB ndi ma waya
Pankhani ya masanjidwe a PCB ndi vuto la waya, lero sitilankhula za kusanthula kwa chizindikiro (SI), electromagnetic compatibility analysis (EMC), power integrity analysis (PI).Kungokamba za kusanthula kwa kupanga (DFM), kapangidwe kake kopanda nzeru kapangidwe kamene kamapangitsanso ...Werengani zambiri -
Kusintha kwa SMT
SMT processing ndi mndandanda waukadaulo waukadaulo wopanga pamaziko a PCB.Zili ndi ubwino wokwera kwambiri komanso kuthamanga kwachangu, kotero zakhala zikuvomerezedwa ndi opanga magetsi ambiri.Njira yopangira chip ya SMT imaphatikizanso chophimba cha silika kapena zomatira, kukwera kapena ...Werengani zambiri -
Momwe mungapangire bolodi labwino la PCB?
Tonse tikudziwa kuti kupanga bolodi PCB ndi kutembenuza schema anakonza kukhala PCB bolodi weniweni.Chonde musachepetse njirayi.Pali zinthu zambiri zomwe zingatheke koma zovuta kukwaniritsa polojekitiyi, kapena zina zimatha kukwaniritsa zomwe anthu ena sangathe kuzikwaniritsa.Werengani zambiri -
Momwe mungapangire PCB crystal oscillator?
Nthawi zambiri timafanizira kristalo oscillator ndi mtima wa dera la digito, chifukwa ntchito yonse ya digito ya digito ndi yosalekanitsidwa ndi chizindikiro cha wotchi, ndipo crystal oscillator imayendetsa mwachindunji dongosolo lonse.Ngati crystal oscillator sikugwira ntchito, dongosolo lonse lidzakhala lopuwala ...Werengani zambiri -
Kusanthula kwamitundu itatu yaukadaulo wama stencil a PCB
Malingana ndi ndondomekoyi, stencil ya pcb ikhoza kugawidwa m'magulu otsatirawa: 1. Solder phala stencil: Monga momwe dzinalo likusonyezera, amagwiritsidwa ntchito kupaka phala la solder.Dulani mabowo muchitsulo chomwe chimagwirizana ndi mapepala a pcb board.Kenako gwiritsani ntchito solder phala kuti pad PCB board thr ...Werengani zambiri -
Ceramic PCB dera board
Ubwino: Large panopa kunyamula mphamvu, 100A panopa mosalekeza akudutsa 1mm0.3mm wandiweyani mkuwa thupi, kutentha kukwera ndi za 17 ℃;100A panopa mosalekeza kudutsa 2mm0.3mm wandiweyani mkuwa thupi, kutentha kukwera ndi za 5 ℃.Wochita bwino wochotsa kutentha ...Werengani zambiri -
Momwe mungaganizire malo otetezeka pamapangidwe a PCB?
Pali madera ambiri mu PCB mapangidwe kumene malo otetezeka ayenera kuganiziridwa.Apa, agawidwa m'magulu awiri kwakanthawi: limodzi ndi malo okhudzana ndi chitetezo chamagetsi, linalo ndi malo otetezedwa opanda magetsi.Kutalikirana pakati pa mawaya okhudzana ndi chitetezo 1.Kutalikirana pakati pa mawaya Kufikira ...Werengani zambiri -
Gulu lozungulira la mkuwa
Chiyambi cha Thick Copper Circuit Board Technology (1) (1) Kukonzekera kusanachitike ndikupangira ma electroplating Cholinga chachikulu chokulitsa plating yamkuwa ndikuwonetsetsa kuti pali wosanjikiza wokwanira wamkuwa kuti mutsimikizire kuti kukana kuli mkati mwazomwe zimafunikira. ...Werengani zambiri -
Makhalidwe asanu ofunikira ndi zovuta zamapangidwe a PCB zomwe muyenera kuziganizira pakuwunika kwa EMC
Zanenedwa kuti padziko lapansi pali mitundu iwiri yokha ya akatswiri opanga zamagetsi: omwe adakumanapo ndi vuto lamagetsi ndi omwe sanakumanepo.Ndi kuwonjezeka kwa ma frequency a PCB, mapangidwe a EMC ndi vuto lomwe tiyenera kuliganizira 1. Zikhalidwe zisanu zofunika kuziganizira nthawi ...Werengani zambiri
