Ukukhiqiza i-PCB ye-Wireless Access Point ye-Wi-Fi RF kanye ne-Network Hardware

I -PCB ye-Wireless Access Point ihlanganisa i-RF, i-high-speed digital, ukuguqulwa kwamandla, kanye nezakhiwo ezihlobene ne-antenna epulatifomu encane. Izindawo zokufinyelela zesimanje zingase zisekele ama-band angu-2.4 GHz kanye no-5 GHz, kuyilapho imikhiqizo ye-Wi-Fi 6E kanye ne-Wi-Fi 7 ingasebenzisa ne-spectrum engu-6 GHz lapho imithetho ivuma khona. Lokho kwenza ibhodi libe ngaphezu kakhulu “kwe-router PCB”: i-RF feed geometry, i-ground referencencing, i-shielding, i-antenna keep-outs, i-Ethernet/PoE circuitry, i-dense processor memory routing, kanye ne-thermal design konke kuyasebenzisana. I-Highleap Electronics isekela ukukhiqizwa kwe-wireless kanye ne-RF PCB , ukwenziwa kwe-PCB yedijithali yesivinini esikhulu, kanye nokuhlanganiswa kwe-turnkey kwehadiwe yokuxhumana, kulandela ukwakheka kwe-RF okuvunyelwe yikhasimende, ama-callout ezinto ezibonakalayo, kanye nohlelo lokuqinisekisa.

1. Ukwakhiwa kwe-PCB ye-Wireless Access Point: Ama-RF, i-Digital, Amandla, kanye nama-Antenna Domains

Indawo yokufinyelela evamile yebhizinisi noma yezimboni ingafaka i-host SoC, imemori ye-DDR, i-flash, amadivayisi omsakazo we-Wi-Fi, amamojula we-RF front-end, izihlungi, ama-diplexer/ama-triplexer, ama-power amplifiers, ama-low-noise amplifiers, ama-RF switches, i-Ethernet PHY, okokufaka kwamandla kwe-PoE, ukuguqulwa kwe-DC/DC, ama-antenna noma izixhumi ze-antenna, ama-shielding cans, kanye ne-thermal interfaces.

1.1 Phatha iBhodi Njengezinhlelo Eziningana Ezihlanganisiwe

Isigaba se-RF sifuna imigqa yokudlulisa elawulwayo emifushane kanye nomhlabathi ozinzile. Isigaba seprosesa kanye nesememori sifuna umzila oqinile wesivinini esikhulu kanye namandla ahlanzekile. Isigaba se-PoE/samandla sithwala umsindo wamandla aphezulu kanye nomsindo wokushintsha. Indawo ye-antenna idinga imvume yomshini kanye nokugcinwa kwe-electromagnetic. Ukuhlelwa okuphumelelayo kuhlukanisa le misebenzi ngaphandle kokudala ukungaqhubeki lapho kufanele ixhumeke khona.

1.2 Ingabe i-Wi-Fi 7 idinga i-PCB Material ekhethekile noma i-Stackup?

Cha. I-“Wi-Fi 6 PCB” noma i-“Wi-Fi 7 PCB” akuyona incazelo ye-laminate. Ukwakhiwa kwezinto ezifanele kanye nesendlalelo kuncike ebudeni bomzila, isabelomali sokulahlekelwa yi-RF, ukusetshenziswa kwe-antenna, ubuningi bephakheji yokuphuma, umkhawulokudonsa wesiteshi, kanye nezindleko. Umkhiqizo osebenzisa i-Wi-Fi 7 ungase usasebenzise ukwakhiwa komndeni we-FR-4 noma ukulahleka okuphansi kuye nge-RF yangempela kanye neziteshi zesivinini esikhulu; igama elijwayelekile lodwa alichazi i-laminate.

1.3 Isitifiketi Siwumsebenzi Osezingeni Lomkhiqizo

Umkhiqizi we-PCB wakha ibhodi ngokuvumelana nomklamo okhishwe, kuyilapho izilawuli zokukhiqiza ze-RF PCB zigcina i-geometry evunyiwe, izinto zokwakha, indawo, kanye nezidingo zokuhlanganisa. Isitifiketi se-Wi-Fi Alliance, ukuvunyelwa komsakazo wesifunda, i-EMC, kanye nokuhambisana nokuphepha kuyasebenza kumkhiqizo oqediwe kanye nokucushwa kwe-firmware/RF. Ukulawulwa kwenqubo yokukhiqiza kusekela ukuphindaphindeka kodwa ngokwako akwenzi i-PCBA ibe "nesitifiketi se-Wi-Fi."

2. Isakhiwo se-RF esingu-2.4 GHz, 5 GHz, kanye no-6 GHz: Okumele Kugcinwe Ukukhiqiza

Njengoba imvamisa ikhuphuka, izinguquko ezincane zejiyometri zibaluleke kakhulu. Ububanzi be-trace, ukujiya kwe-dielectric, ubulukhuni bethusi, ukuqaliswa kwesixhumi, isimo se-solder-mask, ijiyometri yephedi yengxenye, kanye nokubekwa komhlabathi konke kungathinta ukuziphatha kwe-RF.

2.1 Imigqa Yokudlulisa I-RF Elawulwayo Idinga Ukuqiniswa Okuvunyiwe

I-Microstrip, i-coplanar waveguide egxilile, noma izakhiwo ze-stripline kufanele zenziwe ngokuhambisana nokwakhiwa kwengqimba yangempela yebhodi. Iphakheji yokuklama kufanele isho impedance eqondiwe kanye nezendlalelo ze-RF ezibalulekile. Umenzi angakwazi ukubala i-geometry yokukhiqiza ye-laminate ekhethiwe kanye nobukhulu bethusi.

I -PCB stackup ebhalwe phansi kufanele iqandiswe ngaphambi kokuba kwakhiwe amayunithi okuqinisekisa i-RF. Ukushintsha ukujiya kwe-prepreg noma umndeni wezinto ngemuva kokulungisa kungashintsha i-impedance kanye nokulahlekelwa kokufakwa.

2.2 Ukuqina Kwethusi kanye Nokubaluleka Kwe-Dk/Df Okuningi Ezindleleni Ezinde Neziphindaphindayo Eziphakeme

Ubulukhuni bomphezulu womqhubi bufaka isandla ekulahlekelweni yi-RF njengoba umphumela wesikhumba uba namandla. Ukulahleka kwe-dielectric kanye nokuqina kwe-Dk nakho kuthinta ukusebenza. Ukubaluleka okuqondile kuncike ebudeni bendlela kanye nemvamisa, ngakho-ke isinqumo sezinto kufanele sihlotshaniswe nezidingo zokufakwa nokulahlekelwa kwesigaba okulinganiselwe kunesicelo "sokulahlekelwa okuphansi".

2.3 Imaski Yokusoda Ingaba Ingxenye Yesakhiwo Se-RF

Kweminye imikhondo ye-RF, imaski ye-solder isuswa ngamabomu; kweminye iyingxenye ye-geometry ebonisiwe. Umenzi kufanele alandele umsebenzi wobuciko okhishwe futhi angavezi noma amboze imigqa ye-RF ngokucabanga. Okufanayo kusebenza ekuntshontshweni kwethusi noma emaphethini okulinganisa eduze kwezindlela ze-RF—lokhu kufanele kuhloniphe izindawo ezichaziwe zokugcina ngaphandle.

3. Ama-Antenna e-MIMO, Amanethiwekhi Okuphakelayo, Ukumisa, kanye Nokugcina Izinto Ezisetshenziswa Ngomshini

Izindawo zokufinyelela ze-MIMO zingasebenzisa ama-antenna amaningana e-PCB angaphakathi, ama-antenna aguquguqukayo, ama-antenna ensimbi agxishiwe, noma ama-antenna angaphandle ngokusebenzisa izixhumi ze-coaxial. Imiphumela yokukhiqiza amabhodi iyahlukahluka kakhulu.

3.1 Ingabe i-PCB Factory Ingashintsha I-Antenna Geometry Ngesikhathi se-DFM?

Cha—ngaphandle kwemvume yobunjiniyela be-RF. Uma i-antenna iqoshwe ku-PCB, i-geometry yayo, ukujiya kwethusi, umhlabathi oseduze, isimo se-solder-mask, umphetho webhodi, izinto ezivalekile, kanye nensimbi eseduze konke kuba yingxenye yesistimu ye-antenna. Ifektri akufanele ishintshe uhlaka lwe-antenna, ingeze ukulinganisela kwethusi eduze, noma ishintshe umphetho webhodi ngesikhathi se-DFM ukuze nje kube lula ukwenziwa. Umthombo wethu wokuklama i-antenna ye-PCB uchaza ukuthi kungani le mininingwane yethusi neyemishini ibalulekile ngogesi.

3.2 Okuphakelayo kwe-Antenna kanye namaNethiwekhi Okufanisa Kudinga Ukuhlanganiswa Okulawulwayo

Izingxenye ezifanayo zingaba zincane kakhulu futhi zingalungiswa ngesikhathi sokuqinisekiswa kobunjiniyela. Ukubuyekezwa kwe-BOM ngemva kokulungiswa kufanele kulawulwe ngokuqinile. Ukuqondiswa kwezingxenye, usayizi wephedi, ivolumu ye-solder, kanye nokunemba kokubekwa konke kuthinta ukuphindaphindeka, ikakhulukazi kumanethiwekhi okufanisa amaza aphezulu.

3.3 Uthango Oludlula Emhlabathini Luyizinto Ezisebenzayo

Ngokusebenzisa uthango oluzungeze izindlela ze-RF, imingcele yesivikelo, noma ukuqaliswa kwesixhumi kusiza ukulawula ukubuyisa ukuhlanganiswa kwamanje kanye nokwe-electromagnetic. Akufanele kususwe “njenge-vias engafuneki” ngesikhathi sokunciphisa izindleko. Uma usayizi we-pitch noma we-drill udala ukukhathazeka ngokukhiqiza, ushintsho kufanele luvunyelwe ngumklami we-RF.

4. Izixhumi Zedijithali Ezisheshayo, i-Ethernet Uplink, kanye ne-PoE Power ku-PCB efanayo

Indawo yokufinyelela iwumkhiqizo womsakazo kanye neplatifomu yokubala enethiwekhi ngesikhathi esisodwa. I-PCB yayo ingaqukatha i-DDR, i-PCIe noma ezinye izixhumi zangaphakathi ezinesivinini esikhulu, i-Ethernet uplink, izixhumi ze-USB/service, kanye ne-switching power converters eyodwa noma ngaphezulu.

4.1 Izindlela Zokubuyisa Zedijithali Ne-RF Kufanele Zihlelwe Ndawonye

Umzila wedijithali ominyene akufanele uphoqe imigqa ye-RF ezindaweni zokungaqhubeki noma ukuvalwa kwe-antenna. Ngokufanayo, ukuvalwa kwe-RF akufanele kwephule izindlela zokubuya ezisheshayo ezibalulekile ngaphandle koshintsho oluhleliwe. Ngakho-ke ukuhlela i-stackup ngaphambi komzila kubalulekile.

4.2 I-Ethernet Uplink Ingaba Yisithiyo Sokushisa Namandla

Izindawo eziningi zokufinyelela zebhizinisi zithola amandla nge-PoE. Kulezo zakhiwo, i-Ethernet port nayo ithwala okokufaka kwamandla okuyinhloko kwedivayisi. Ibhodi kumele lilondoloze i-PoE front end, ama-magnetics, ukuvikelwa, kanye nendlela yamandla ye-DC/DC ngenkathi ligcina umsindo wokushintsha ungangeni ezigabeni ze-RF ezizwelayo kanye newashi. Izimiso zokuklama ziyahambisana nokukhiqizwa kwe-PCB esheshayo kanye ne-PCB yamandla, kodwa izidingo zokugcina i-RF kanye nokuvikela zenza ibhodi ye-WAP ihluke.

4.3 Ukuhlukanisa kanye Nokusatshalaliswa Kwamandla Kuthinta Ukusebenza Kwe-RF

Ama-amplifiers kagesi, ama-RF front ends, ama-SoC, kanye nememori kungadonsa amandla kagesi aguqukayo. Izindiza zamandla ezihlukanisayo zendawo kanye nezindiza zamandla ezingasebenzi kahle zinciphisa ukuguqulwa kokunikezwa. Umenzi kufanele alondoloze ngama-array, izimo zendiza, kanye nama-capacitor abalulekile ekubekweni achazwe umklamo.

5. I-HDI, Ukukhethwa Kwezinto, Ukuvikela, kanye Nomklamo Wokushisa Wezindawo Zokufinyelela Ezincane

Izindawo zokufinyelela zesimanje zivame ukudinga indawo encane, ama-antenna amaningi, ama-BGA amakhulu, amathini okuvikela, kanye namandla amakhulu e-compute/RF endaweni elinganiselwe.

5.1 Sebenzisa i-HDI Uma Ixazulula Izinkinga Zokubaleka Kobuningi noma Ze-Form-Factor

Ama-microvia e-laser, ama-via agqitshwe, ama-microvia ahlanganisiwe/ahlanganisiwe, kanye ne-via-in-pad kungasiza ekubalekeni ama-BGA acwebezelayo futhi kugcine imizila ye-RF/yedijithali imfushane. Lezi zakhiwo zengeza ukujiya okulandelanayo kanye nobunzima bokufaka ama-plating, ngakho-ke kufanele ziqhutshwe ukuminyana kwemizila. Amandla okukhiqiza e-HDI PCB e-Highleap asekela amabhodi okuxhumana aminyene lapho umzila ojwayelekile wemigodi unganele.

Amathini e-RF Shield angu-5.2 Adala Izidingo Zikagesi Nezokuhlanganisa

Amafreyimu esivikelo se-RF adinga ukugxunyekwa okuqhubekayo, amaphethini omhlaba athengiswayo, ivolumu yokunamathisela eyanele, kanye nokususwa kwemishini. Izembozo ezisuswayo kanye nezivikelo zengxenye eyodwa zinokulungiswa kabusha okuhlukile kanye nokuziphatha kokushisa. Ukuphakama kwengxenye ngaphansi kwesivikelo kumele kuhlolwe ngokumelene nenqwaba yemishini.

5.3 Izindlela Zokushisa Kufanele Ziklanywe Zibe Yi-PCB

Ama-SoC, ama-amplifiers kagesi, kanye nabalawuli kungadala ukushisa okugxilile. Ukusabalala kwethusi, ama-via okushisa, ukusonta kwephedi eliveziwe, izixhumi ze-heatsink, ama-thermal pad kuya endaweni ebiyelwe, noma ama-heat spreader anikezelwe angasetshenziswa. Umenzi webhodi angakha isakhiwo esicacisiwe sethusi/nge-, kodwa ukuqinisekiswa kokushisa kwe-junction kudinga ukuhlolwa komkhiqizo ohlanganisiwe. Bheka imithombo yethu ye-PCB yokuphathwa kokushisa ukuze uthole izinketho ezigxile ekukhiqizeni.

6. Ukuhlanganiswa kwe-PCB ye-Wireless Access Point kanye nokuhlolwa kwe-RF-Aware

Ukuhlanganiswa kwe-RF kudinga ukulawulwa kokwenziwa okuvamile kanye nokunakwa okwengeziwe ezingxenyeni ezizwela indawo kanye namajoyinti afihliwe. I-Highleap isekela ukwenziwa kwe-RF/high-frequency PCB, ukutholakala kwezingxenye, ukuhlanganiswa kwe-SMT/THT, ukuhlanganiswa kwe-shield-can, ukuhlolwa kwe-AOI kanye ne-X-ray; ukuhlolwa kwe-RF noma kokusebenza kwenziwa lapho ikhasimende linikeza indlela echaziwe kanye nemikhawulo.

6.1 Izingxenye Ezincane Ze-RF Zidinga Ukunamathiswa Nokubekwa Okuqinile

Amanethiwekhi afanayo, izihlungi, ama-couplers, kanye nezishintshi ze-RF kungasebenzisa amaphakheji amancane kakhulu. Ukwakheka kwe-stencil, ukwesekwa kwebhodi, ukunemba kokubekwa, kanye nokulawula ukugeleza kabusha kuthinta ivolumu ye-solder kanye nendawo yengxenye. I-solder eningi kakhulu ingashintsha i-geometry ezungeze izingxenye ze-RF ngisho nalapho ijoyinti lixhunywe ngogesi.

6.2 I-X-Ray Igcwalisa I-AOI Yamadivayisi Ahlanganisiwe Afihliwe

Ama-SoC amakhulu, ama-chipset e-Wi-Fi, amadivayisi e-DDR, kanye nezingxenye zamandla kungasebenzisa amaphakheji e-BGA, LGA, noma e-QFN. I-AOI iwusizo ekuhlanganiseni nasekubekeni okubonakalayo, kodwa i-X-ray iyadingeka lapho kufanele kuhlolwe khona izixhumi ezifihliwe ze-solder. Inqubo yokuhlanganisa i-SMT ye-Highleap ingahlanganisa i-AOI nokuhlolwa kwe-X-ray ngokuya ngenhlanganisela yephakheji kanye nohlelo lwekhwalithi.

6.3 Ingabe Umkhiqizi we-PCB Angaqinisekisa Ukusebenza kwe-Wi-Fi RF?

Ukwenziwa kwe-PCB okuvamile kanye nokuhlolwa kwe-PCBA akuqinisekisi indawo yokufinyelela ephelele ku-Wi-Fi Alliance, izidingo zokulawula noma zokusebenza kwe-antenna. Ifektri ye-PCBA ingenza ukuhlolwa kwe-continuity, power-up, programming, Ethernet link, functional, noma RF PCB defined customer 's device when fixtures, calibrated mishini kanye nemikhawulo kuyatholakala. Ukuhlolwa kwe-RF okwenziwe calibrated, i-antenna OTA smears, rological testing, kanye ne-Wi-Fi certification kudinga imishini yokuhlola efanele kanye nezinqubo. Lokhu kufanele kuchazwe ngokwehlukile ekuhlolweni kwe-assembly okuvamile.

7. Iphakheji ye-RFQ kanye neyokuhlola yokukhiqiza i-PCB engenantambo

Ukuze ucaphune ibhodi lendawo yokufinyelela engenantambo ngokunembile, nikeza kokubili umongo kagesi kanye nowokukhiqiza:

• Idatha ye-Gerber/ODB++, amafayela okubhoboza, umdwebo wokwenziwa, kanye nohlaka lwebhodi
• Ukuhlanganiswa kwezingqimba okuvunyelwe kanye nezilinganiso eziqondile zezinto noma izindlela ezilinganayo ezamukelwe
• Izinhloso zokuvimbela umugqa wokudlulisela we-RF kanye nokugcinwa kwe-RF okubalulekile
• Imidwebo ye-antenna, ukubekezelelana kwebhodi, kanye nokugcinwa kwemishini lapho i-PCB ithinta khona ukusebenza kwe-antenna
• I-BOM enezingxenye ze-RF eziqondile, izihlungi, ama-FEM, izixhumi, ama-magnetic, kanye nemithetho ehlukile evunyiwe
• Idatha yokukhetha nokubeka, umdwebo wokuhlanganisa, imininingwane yekhani lesihlangu, kanye nezidingo ze-thermal-interface
• Amafayela okuhlela kanye nokucushwa komkhiqizo kuyadingeka ukuze kuhlolwe ukusebenza
• Izidingo ze-PoE uma indawo yokufinyelela inikwe amandla nge-Ethernet
• Izinqubo zokuhlola ze-RF, i-Ethernet, amandla, kanye nokusebenza kahle ngezindinganiso zokupasa/zokwehluleka
• Uhlobo lwesibonelo kanye nobuningi bokukhiqiza kanye nezidingo zokulandelela/zokupakisha

Isigaba se-prototype PCB kanye ne-PCBA sibaluleke kakhulu ezindaweni zokufinyelela ngoba ukulungiswa kwe-antenna, ukwakheka kwesihlangu, izixhumanisi zokushisa, izinto ezivalekile, kanye ne-firmware konke kuthinta ukusebenza kwe-RF okulinganisiwe. I-Highleap Electronics ingasekela uhlangothi lokukhiqiza kusukela ekwakhiweni kwe-PCB ngokusebenzisa ukutholakala kwezingxenye kanye nokuhlanganiswa ngokusekelwe kudatha yephrojekthi eqediwe.