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Imikhiqizo
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Ubudlelwano phakathi kwepuleti lendwangu le-PCB ne-EMC
Umhlahlandlela: Uma sikhuluma ngobunzima bokushintshwa kwamandla kagesi, inkinga yepuleti yendwangu ye-PCB ayinzima kakhulu, kodwa uma ufuna ukusetha ibhodi le-PCB elihle, ukunikezwa kwamandla okushintshayo kufanele kube enye yezinkinga (i-PCB design ayilungile, okungase kubangele kungakhathaliseki ukuthi ulungisa kanjani ukulungisa iphutha Imingcele ilungisa iphutha lendwangu. Lokhu akusona i-alamu), ngoba kunezici eziningi ezicabangela amabhodi endwangu ye-PCB, njengokusebenza kukagesi, umzila wenqubo, izidingo zokuphepha, i-EMC eff... -
Isihloko esisodwa siyaqonda |Siyini isisekelo sokukhethwa kwenqubo yokucubungula indawo embonini ye-PCB
Inhloso eyisisekelo kakhulu yokwelashwa kwe-PCB ngaphezulu ukuqinisekisa ukushisela okuhle noma izakhiwo zikagesi.Ngenxa yokuthi ithusi ngokwemvelo livame ukuba khona ngesimo sama-oxides emoyeni, akunakwenzeka ukuthi ligcinwe njengethusi lokuqala isikhathi eside, ngakho-ke lidinga ukuphathwa ngethusi.Kunezinqubo eziningi zokwelapha ezingaphezulu kwe-PCB.Izinto ezivamile ziyi-flat, i-organic welded protective agents (OSP), i-full -board nickel -plated gold, i-Shen Jin, i-Shenxi, i-Shenyin, i-nickel yamakhemikhali, igolide, kanye ne-electro... -
Funda mayelana newashi ku-PCB
1. Isakhiwo a, ikristalu yewashi namasekhethi ahlobene kufanele ahlelwe endaweni emaphakathi ye-PCB futhi abe nokwakheka okuhle, kunokuba kube eduze nesixhumi esibonakalayo se-I/O.Isekhethi yokukhiqiza iwashi ayikwazi ukwenziwa ikhadi lendodakazi noma ifomu lebhodi lendodakazi, kufanele lenziwe ebhodini lewashi elihlukile noma ebhodini lomthwali.Njengoba kukhonjisiwe emfanekisweni olandelayo, ingxenye yebhokisi eliluhlaza lesendlalelo esilandelayo lihle ukuthi lingahambi kulayini b, kuphela amadivaysi ahlobene nesekhethi yewashi kusekethe yewashi le-PCB a... -
Gcina lawa maphuzu ezintambo e-PCB engqondweni
1. Umkhuba ojwayelekile Ekwakhiweni kwe-PCB, ukuze kwenziwe idizayini yebhodi lesekhethi ephezulu ibe nengqondo, ukusebenza okungcono kokumelana nokuphazamiseka, kufanele kucatshangelwe kusukela kulezi zici ezilandelayo: (1) Ukukhethwa okunengqondo kwezendlalelo Lapho uhambisa amabhodi esekethe anemvamisa ephezulu. ekwakhiweni kwe-PCB, indiza yangaphakathi emaphakathi isetshenziswa njengongqimba lwamandla nomhlabathi, olungadlala indima yokuvikela, inciphise ngempumelelo inductance ye-parasitic, ifinyeze ubude bemigqa yesignali, futhi inciphise isiphambano ... -
Ingabe uyayiqonda imithetho emibili ye-PCB yokuklama laminated?
1. Isendlalelo ngasinye somzila kufanele sibe nesithenjwa esiseduze (ukunikezwa kwamandla noma ukwakheka);2.Isendlalelo samandla amakhulu aseduze kanye nomhlabathi kufanele kugcinwe ebangeni elincane ukuze kunikeze amandla amakhulu okuhlanganisa;Okulandelayo yisibonelo sesitaki esinezendlalelo ezimbili kuya kweziyisishiyagalombili: Ibhodi le-PCB elinezinhlangothi ezimbili kanye nebhodi le-PCB elinohlangothi olukabili elilaminethiwe Kwezendlalelo ezimbili, ngenxa yokuthi inani lezendlalelo lincane, ayikho inkinga yokulalisa.Ukulawulwa kwemisebe ye-EMI kucatshangelwa ikakhulukazi kusuka kuzintambo kanye ... -
Ulwazi olubandayo
Uyini umbala webhodi le-PCB, njengoba igama libonisa, lapho uthola ibhodi le-PCB, enembile kakhulu ukubona umbala wamafutha ebhodini, okungukuthi, ngokuvamile sibhekisela kumbala webhodi le-PCB, imibala evamile aluhlaza, aluhlaza okwesibhakabhaka, abomvu, amnyama nokunye.Abalandelayo uXiaobian babelana ngokuqonda kwabo imibala eyahlukene.1, uyinki oluhlaza yiwona osetshenziswa kabanzi, umcimbi omude kakhulu womlando, futhi emakethe yamanje futhi ushibhe kakhulu, ngakho okuluhlaza kusetshenziswa inani elikhulu le-manuf... -
Mayelana nemishini ye-DIP, abantu be-PCB abanye abawukhafuli umgodi osheshayo!
I-DIP iyi-plug-in.Ama-chips apakishwe ngale ndlela anemigqa emibili yezikhonkwane, ezingashiselwa ngokuqondile kumasokhethi e-chip anesakhiwo se-DIP noma ashiselwe ezindaweni zokushisela ezinenombolo efanayo yezimbobo.Kulula kakhulu ukuqaphela welding PCB ibhodi perforation, futhi ukuhambisana okuhle motherboard, kodwa ngenxa indawo yayo ukupakisha kanye ukushuba kukhulu uma kuqhathaniswa, futhi iphinikhodi inqubo ukufakwa kanye nokususwa kulula ukonakala, ukwethembeka okubi.I-DIP i-plu ethandwa kakhulu... -
1oz Ukuqina Kwethusi I-PCBA Ibhodi Umkhiqizi wemishini yezokwelapha ye-HDI I-PCBA Multilayer Circuit PCBA
Ukucaciswa Okubalulekile/ Izici Ezikhethekile:
I-1oz I-Copper Thickness PCBA Board Umkhiqizi we-HDI imishini yezokwelapha i-PCBA Multilayer Circuit PCBA. -
I-inverter yokugcina amandla i-PCBA Umhlangano webhodi lesifunda ophrintiwe wama-inverters okugcina amandla
1. Ukushaja okushesha kakhulu: ukuxhumana okuhlanganisiwe kanye ne-DC two-way transformation
2. Ukusebenza kahle okuphezulu: Yamukela idizayini yobuchwepheshe obuphambili, ukulahleka okuphansi, ukushisisa okuphansi, ukonga amandla ebhethri, ukwelula isikhathi sokukhipha
3. Ivolumu encane: ukuminyana kwamandla aphezulu, indawo encane, isisindo esiphansi, amandla aqinile wesakhiwo, ilungele izinhlelo zokusebenza eziphathwayo neselula.
4. Ukuguquguquka okuhle komthwalo: okukhiphayo 100/110/120V noma 220/230/240V, 50/60Hz sine wave, umthamo wokulayisha oqinile, ofanele amadivayisi ahlukahlukene we-IT, amathuluzi kagesi, izinto zikagesi zasendlini, awukhethi umthwalo.
5. Ibanga lefrikhwensi yokufakwayo okubanzi okubanzi kakhulu: Ivoltheji yokufaka ebanzi kakhulu engu-85-300VAC (isistimu engu-220V) noma isistimu engu-70-150VAC 110V) kanye nebanga lokufaka ifrikhwensi engu-40 ~ 70Hz, ngaphandle kokwesaba indawo yamandla enokhahlo.
6. Ukusebenzisa ubuchwepheshe bokulawula idijithali ye-DSP: Yamukela ubuchwepheshe bokulawula idijithali obuthuthukisiwe be-DSP, ukuvikela okugcwele okuphelele, okuzinzile futhi okuthembekile
7. Umklamo womkhiqizo onokwethenjelwa: yonke ibhodi yengilazi enezinhlangothi ezimbili, ehlanganiswe nezingxenye ezinkulu ze-span, eqinile, ukumelana nokugqwala, ithuthukisa kakhulu ukuguquguquka kwemvelo.
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I-FPGA Intel Arria-10 GX uchungechunge lwe-MP5652-A10
Izici ezibalulekile zochungechunge lwe-Arria-10 GX zifaka:
- I-high-density kanye ne-high-performance logic kanye nezinsiza ze-DSP: I-Arria-10 GX FPGAs ihlinzeka ngenani elikhulu lezinto ezinengqondo (LEs) kanye namabhulokhi okucubungula isignali yedijithali (i-DSP).Lokhu kuvumela ukuqaliswa kwe-algorithms eyinkimbinkimbi kanye nemiklamo esebenza kahle kakhulu.
- Ama-transceiver anesivinini esiphezulu: Uchungechunge lwe-Arria-10 GX luhlanganisa ama-transceiver anesivinini esiphezulu asekela izivumelwano ezihlukahlukene ezifana ne-PCI Express (PCIe), i-Ethernet, ne-Interlaken.Lawa ma-transceivers angasebenza ngamanani edatha afinyelela ku-28 Gbps, okuvumela ukuxhumana kwedatha okunesivinini esikhulu.
- Izixhumanisi zememori enesivinini esikhulu: I-Arria-10 GX FPGAs isekela inkumbulo ehlukahlukene, okuhlanganisa i-DDR4, i-DDR3, i-QDR IV, ne-RLDRAM 3. Lezi zixhumanisi zinikeza ukufinyelela komkhawulokudonsa ophezulu emishinini yememori yangaphandle.
- Iphrosesa ehlanganisiwe ye-ARM Cortex-A9: Amanye amalungu ochungechunge lwe-Arria-10 GX afaka iphrosesa edidiyelwe ye-ARM Cortex-A9 edidiyelwe ekabili, ehlinzeka ngohlelo olungaphansi olunamandla lokucubungula izinhlelo zokusebenza ezishumekiwe.
- Izici zokuhlanganisa isistimu: I-Arria-10 GX FPGAs ihlanganisa okuzungezile okuku-chip okuhlukahlukene kanye nezindawo zokusebenzelana, njenge-GPIO, I2C, SPI, UART, ne-JTAG, ukuze kube lula ukuhlanganiswa kwesistimu nokuxhumana nezinye izingxenye.
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I-FPGA Xilinx K7 Kintex7 PCIe optical fiber communication
Nakhu ukubuka konke okujwayelekile kwezinyathelo ezihilelekile:
- Khetha imojula ye-optical transceiver efanelekile: Ngokuya ngezidingo ezithile zohlelo lwakho lokuxhumana olubonayo, uzodinga ukukhetha imojuli ye-optical transceiver esekela ubude begagasi obufunekayo, isilinganiso sedatha, nezinye izici.Izinketho ezivamile zihlanganisa amamojula asekela i-Gigabit Ethernet (isb., amamojula e-SFP/SFP+) noma amazinga okuxhumana abona ngesivinini esiphezulu (isb, amamojula e-QSFP/QSFP+).
- Xhuma i-transceiver ebonakalayo ku-FPGA: I-FPGA ivamise ukuxhumana nemojula ye-optical transceiver ngokusebenzisa izixhumanisi ze-serial ezinesivinini esikhulu.Ama-transceivers ahlanganisiwe e-FPGA noma izikhonkwane ze-I/O ezizinikele eziklanyelwe ukuxhumana kwe-serial okunesivinini esiphezulu zingasetshenziselwa le njongo.Kuzodingeka ulandele imininingwane yemojuli ye-transceiver kanye nemihlahlandlela yokuklama yereferensi ukuze uyixhume kahle ku-FPGA.
- Sebenzisa izivumelwano ezidingekayo kanye nokucutshungulwa kwesignali: Uma uxhumano olubonakalayo selumisiwe, uzodinga ukuthuthukisa noma ukulungisa izivumelwano ezidingekayo kanye nama-algorithms okucubungula isignali ukuze kudluliselwe idatha nokwamukela.Lokhu kungafaka ukusebenzisa iphrothokholi edingekayo ye-PCIe yokuxhumana nohlelo lomsingathi, kanye nanoma imaphi ama-algorithms engeziwe okucubungula isignali adingekayo ekubhalweni kwekhodi/ukukhipha ikhodi, ukumodulisa/ukwehlisa, ukulungisa amaphutha, noma eminye imisebenzi eqondene nohlelo lwakho lokusebenza.
- Hlanganisa ne-PCIe interface: I-Xilinx K7 Kintex7 FPGA inesilawuli se-PCIe esakhelwe ngaphakathi esivumela ukuthi ixhumane nesistimu yokusingatha isebenzisa ibhasi le-PCIe.Kuzodingeka ulungise futhi uvumelanise isixhumi esibonakalayo se-PCIe ukuze uhlangabezane nezidingo ezithile zohlelo lwakho lokuxhumana olubonakalayo.
- Hlola futhi uqinisekise ukuxhumana: Uma sekuqaliwe, uzodinga ukuhlola futhi uqinisekise ukusebenza kokuxhumana kwe-fiber optical usebenzisa amathuluzi okuhlola afanelekile kanye nezindlela.Lokhu kungabandakanya ukuqinisekisa izinga ledatha, izinga lephutha elincane, nokusebenza kwesistimu kukonke.
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I-FPGA XILINX-K7 KINTEX7 XC7K325 410T Ibanga lezimboni
Imodeli egcwele: FPGA XILINX-K7 KINTEX7 XC7K325 410T
- Uchungechunge: I-Kintex-7: Uchungechunge lwe-Xilinx's Kintex-7 FPGAs luklanyelwe izinhlelo zokusebenza ezisebenza kahle futhi lunikeza ibhalansi enhle phakathi kokusebenza, amandla, kanye nentengo.
- Idivayisi: XC7K325: Lokhu kubhekisela kudivayisi ethile ngaphakathi kochungechunge lwe-Kintex-7.I-XC7K325 ingenye yezinhlobonhlobo ezitholakalayo kulolu chungechunge, futhi inikeza imininingwane ethile, okuhlanganisa umthamo weseli enengqondo, izingcezu ze-DSP, nokubala kwe-I/O.
- Umthamo Wengqondo: I-XC7K325 inomthamo weseli enengqondo engu-325,000.Amaseli anengqondo angamabhulokhi wokwakha ahlelekayo ku-FPGA angalungiselelwa ukusebenzisa amasekhethi nemisebenzi yedijithali.
- Izingcezu ze-DSP: Izingcezu ze-DSP ziyizinsiza zehadiwe ezizinikele ngaphakathi kwe-FPGA ezithuthukiselwe imisebenzi yokucubungula isignali yedijithali.Inani eliqondile lezingcezu ze-DSP ku-XC7K325 lingase lihluke kuye ngokuhlukile okuthile.
- Ukubala kwe-I/O: I-“410T” enombolweni yemodeli ibonisa ukuthi i-XC7K325 inenani lamaphinikhodi we-I/O angu-410.Lawa maphini angasetshenziswa ukuxhumana namadivayisi angaphandle noma enye i-digital circuitry.
- Ezinye izici: I-XC7K325 FPGA ingase ibe nezinye izici, njengamabhulokhi enkumbulo ahlanganisiwe (i-BRM), ama-transceivers anesivinini esikhulu sokuxhumana kwedatha, nezinketho ezihlukahlukene zokucushwa.
