FR408HR PCB Stackup, Impedance, Dr/Df uye TDR

FR408HR PCB stackup imhando yemagetsi uye yekugadzira, kwete dhayagiramu yekushongedza. Inobatanidza zvinangwa zvinodzorwa-impedance kune zvivakwa zvepakati chaipo, magirazi ekugadzirira, huwandu hweresin, ukobvu hwakadzvanywa, foil yemhangura, mhangura yakapedzwa, mask yekusolder, maitiro elamination uye kushivirira kugadzirwa.

Gwaro iri rinotarisa kuti FR408HR yakagadzirwa sei kuti ikwanise kumisa kupinza, kurasikirwa nekuisa, kuronga makuponi, uye kuburitswa kwekugadzira. Kuti uwane sarudzo yemutengesi uye zvinodiwa pakutenga, tarisa gwara remugadziri weFR408HR PCB uye gwara rezvinhu.

Zvimiro zveFR408HR Zvinoshandiswa Mukugadzira Stackup

Basa rekuunganidza zvinhu rinofanira kutanga nekuparadzanisa data re laminate rakabudiswa kubva pamagetsi anoshanda echivakwa chakasarudzwa. Dk na Df zvinoenderana nenzira yekuyedza, maitikiro, huwandu hwe resin, maitiro egirazi uye mavakirwo ebhodhi rakagadzirwa.

Kuti uwane ruzivo rwekuti laminate Dk inodudzirwa sei mukuverenga kwemagetsi, tarisa gwara rePCB dielectric constant usati wasarudza solver value.

Mufananidzo weZvivakwa zveMagetsi

Pepa reruzivo reIsola rinoburitsa maDk neDf zvinoenderana nefrequency, nepo tafura yekuvaka yakasiyana ichipa mavalues ​​zvichienderana ne core/prepreg glass style, resin content, ukobvu uye frequency. Mavalues ​​ari pazasi anobatsira chete pakutungamira. Modhi yekugadzira inofanira kusarudza data rinoenderana nekuvakwa chaiko uye nzira yekugadzirisa munda.

Zvakakosha: zvivakwa zvepakati uye zvepamberi mumatafura eIsola Dr/Df zvinotora huwandu hwakakosha. Chikamu cheResin, weave yegirazi, ukobvu hwakadzvanywa, copper roughness, solder mask uye local resin distribution zvinoshandura mashandiro emagetsi anoshanda. Stackup inoburitswa inofanira kunyora kukosha uye nzira inoshandiswa mumodhi.

Zvinogona Kufanotaurwa neData Sheet—uye Zvisingagone Kufanotaurwa—

Pepa reruzivo reIsola rinoratidza hunhu hwemagetsi nekupisa hwemhuri yezvinhu. Rinobatsira pakusarudza zvinhu pakutanga. Matafura eDk/Df akagadzirwa zvakananga anoenderera mberi nekunyora maitiro e dielectric emusanganiswa wepakati wega wega uye prepreg girazi/resin kubva pa100 MHz kusvika 10 GHz.

Kukosha kweDk imwe chete hakusi muenzaniso wese wezvinhu

Dr 3.68 neDf 0.0092 dzinodzokororwa kakawanda dzinoenderana ne2 GHz values ​​dzakajairika mutafura yedata yakajairika. Zvivakwa zvega zvega zvinogona kunge zvakakwira kana kuderera nekuti girazi rine maitiro akasiyana e dielectric ne resin, uye huwandu hwe resin hunosiyana. Kuwanda uye nzira yekuyedza zvakare zvakakosha. Saka timu yekugadzira inofanira kunyora kuti ndeipi kukosha kwakashandiswa pakugadzirira kutevedzera uye kubvumira mugadziri kugadzirisa modhi yekupedzisira ye impedance kubva pakuvaka kwakasarudzwa.

Maitiro ekugadzirira pamuviri anoda kutarisirwa zvakanyanya

Prepreg haisi pepa rine ukobvu hwakagadzika mushure mekuiswa kwelamination. Ukobvu hwayo hwekupedzisira hunoenderana nerudzi rwegirazi, huwandu hwe resin, topography yemhangura, kumanikidzwa, kuyerera, uye kucheneswa. Tafura yeprepreg inopa chiratidzo chekuvaka, kwete mukaha we dielectric wakavimbiswa mubhodhi rega rega. Muenzaniso weukobvu hwakadzvanywa wemugadziri unofanirwa kushandiswa pakuburitswa kwe stackup.

Magirazi anopararira anoderedza—asi haabvisi—migumisiro yegirazi

Tafura yakagadziridzwa yeFR408HR Dr/Df inoratidza kuti girazi rakarukwa kumativi ese ari maviri. Izvi zvinobatsira kugadzira kugoverwa kwegirazi kwakafanana kupfuura kurukwa kwakavhurika, asi nzvimbo yekutsvaira, kona, hupamhi, uye kuumbwa kwegirazi/girazi remunharaunda zvinogona kukosha mumatanho akasiyana-siyana akabatana.

Foiri yemhangura chikamu chemuenzaniso wemagetsi

Isola inonyora foil yakagadziriswa ne reverse-treated sechipo chenguva dzose, nedzimwe sarudzo dzefoil dziripo. Profile yemhangura inokanganisa kurasikirwa kweconductor uye geometry inoshanda. Kuti ive nedhizaini inokurumidza kurasikirwa, stackup inofanira kuona mhando yefoil kana fungidziro yekuomarara pane kuona mhangura yese ye one-ounce yakafanana nemagetsi.

Ruzivo Runodiwa Pamberi peStackup Modeling

Kuwanda kwezvikamu uye ukobvu hwakapedzwa hazvina kukwana. Mugadziri anoda geometry yemuchina wekufambisa, huremu hwemhangura, mhando dzezviratidzo, zvinangwa zveimpedance, mapurani ekutarisa, zvirambidzo zvekurasikirwa, kuburikidza nekugadzira, kuratidzwa kweassembling uye miganhu yemakanika usati waronga kugadzira zvinhu zvinobatsira.

Tanga Kubva Pazvinodiwa Nechigadzirwa

Usati wasarudza macores nema prepregs, tsanangura zvipingamupinyi zvinofanirwa kuzadzisa stackup. Zvipingamupinyi izvi zvinowanzopesana, saka timu yekugadzira inofanira kuona zvinokosheswa.

Dielectric yakatetepa inogona kuita kuti chinangwa chisave nyore kana paine chinhu chakamanikana asi inogona kuwedzera kugona kwemagetsi uye kunzwa kwekugadzira. Dielectric yakakora inogona kuwedzera kupatsanurwa asi inoda chinhu chakakura kana kuwedzera crosstalk. Kudiwa kwemhangura inorema kunogona kuderedza rusununguko rwekupatsanurwa. Stackup chaiyo ndeyekugadzirisa, kwete nzira yakatarwa.

Goverana Mabasa eLayer uye Reference Planes

Chengetedza zviratidzo zvakakosha padyo nenzvimbo dzinoenderera mberi dzekutarisa

Masaini ekumhanya kwepamusoro anofanira kunge aine nzira yakajeka yekudzoka. Kupatsanurwa kweplane, ma voids, shanduko dzereferensi, kucheka kweconnector, uye dense via fields zvinogona kuwedzera return-path inductance uye mode conversion kunyangwe trace impedance iri chaiyo.

Shandisa symmetry kutsigira kugadzikana kwehukuru uye kwemuchina

Kurongeka kwechikamu chakaenzana hakuvimbisi bhodhi rakati sandara, asi kunopa pokutangira pakasimba. Huremu hwemhangura, kufukidzwa kwemhangura, ukobvu hwe dielectric, kupararira kweplane, uye kusawirirana kwezvikamu zvezvikamu padivi zvinofanira kufungwa nezvazvo.

Zvinangwa zvakasiyana zvekusimbisa chiratidzo uye simba

Mapeya emagetsi-pasi akavharika zvakanyanya anogona kuwedzera kugona kwemuchina wendege, nepo ma dielectric akakora esignal-to-plane achigona kuderedza kugona kwetrace uye kuchinja maitiro enzira. Stackup inofanira kugovera mapeya edanho nemaune pane kudzokorora pateni yesignal-plane.

Ronga shanduko dzekutarisa usati watanga nzira

Chiratidzo chinochinja reference plane chinoda nzira iri pedyo yekudzoka-current, kazhinji kuburikidza nekusona pasi kana nzira yakakodzera yekubvisa ma "power-to-ground". Stackup ndiyo inosarudza kana nzira iyoyo inogona kuiswa pedyo nechiratidzo kuburikidza.

Sarudzo yeFR408HR Core, Prepreg uye Pressed-Kobvu

Zvinhu zviripo zvepakati uye zve prepreg zvinofanira kuenzaniswa nekugoverwa kwemhangura, kudiwa kwe resin, ukobvu hwakapedzwa uye impedance. Ukobvu hwekatalogu yezita harisi iro hukobvu hwe dielectric hunoshandiswa mu finished-board field solver.

Sarudza Buildable Core uye Prepreg Constructions

Ukobvu hwepakati hwakatsanangurwa zvishoma; ukobvu hwe prepreg hunofungidzirwa

Chinhu chakaputirwa nemhangura chinosvika se dielectric yakarapwa ine ukobvu hwakasiyana uye foil yemhangura. Prepreg inova dielectric inobatanidza panguva yekuyeresa. Muenzaniso we stackup unofanirwa kusiyanisa manyuko maviri iwayo ekusaziva ukobvu.

Gwaro rePCB rekugadzirira zvinhu zvakawanda rinotsanangura maitiro egirazi, huwandu hwe resin uye maitiro ekubatanidza, nepo kugadzirwa kwePCB laminate kuchipa chimiro chepakati-kupesana-prepreg.

Magadzirirwo egirazi uye huwandu hwe resin zvinokanganisa maitiro aDk uye emunharaunda

Kuwanda kwe resin kunowanzo deredza Dk yakagadzirwa nekuti resin negirazi zvinobatsira zvakasiyana. Zvinogonawo kuchinja maitiro ekuyerera uye ukobvu. Dhizaini haifanirwe kusarudza chivakwa cheDk yakaderera chete pasina kufunga nezvekudiwa kwe resin, kugadzikana kwehukuru, kuwanikwa, uye mhedzisiro yekugadzirisa.

Mapuranga akawanda ekugadzirira haana kufanana nepuranga rimwe gobvu remagetsi

Matinji maviri kana anopfuura anogona kuwedzera huwandu hwe resin kana kugadzira ukobvu hwechinangwa, asi anochinjawo kupararira kwegirazi uye anogona kugadzira ma interfaces ane resin yakawanda. Muenzaniso wekupedzisira we field-solver unofanirwa kushandisa maitiro e composite dielectric akabvumiranwa nemugadziri.

Kuwanikwa kunogona kusarudza muunganidzwa unoshanda

Chivako chakakodzera mudzidziso chingada kutenga kwakakosha kana kushandiswa zvisina kunaka kwepepa. Kutanga kushanda nemugadziri kunogona kuona macores akajairwa uye prepregs anosangana nezvinodiwa nemagetsi ane njodzi shoma panguva.

Kudiwa kweModel Pressed Ukobvu uye Resin

Ukobvu hwakadzvanywa ndeimwe yemisiyano yakajairika pakati pekugadzirwa kwesimbi nesimbi yakagadzirwa. Inokanganiswa nehuwandu hwe resin ye prepreg, magadzirirwo egirazi, kukwirira kwemhangura pamativi ese ari pedyo, huwandu uye kupararira kwemhangura, kuyerera kwesimbi, uye kupora.

Kufukidzwa kwemhangura hakukwani

Zvikamu zviviri zvinogona kuva nehuwandu hwese hwemhangura hwakaenzana asi nzvimbo yacho yakasiyana zvikuru. Nzvimbo yakakura isina chinhu iri pedyo nenzvimbo yakasimba inokonzera dambudziko rakasiyana rekuyerera kwe resin kubva pamatanho akapararira zvakaenzana. Vagadziri vanogona kushandisa mamapu emhangura emunharaunda kana ruzivo kubva pamapatani akafanana pane huwandu humwe chete hwepakati.

Mhangura inorema inoshandisa resin yakawanda uye inochinja maitiro emuviri

Mhangura yakakora yemukati inogadzira mipata yakadzika. Prepreg inofanira kuzadza mipata iyoyo pasina kusiya maburi kana girazi rakamira. Resin yakawanda kana mamwe ma prepreg plies angadiwa, izvo zvinoshandura ukobvu hwe dielectric uye impedance.

Kushivirira ukobvu hwakapedzwa kunofanira kunge kuri kwechokwadi

Ukobvu hwebhodhi rose hunosanganisira macores, prepregs akadzvanywa, copper, plating, solder mask, uye process variation. Chinodiwa chekukora kwakasimba kwazvo chinogona kupesana ne impedance kana resin-flow margin. Ziva kana tolerance ichidikanwa nemakanika kana kuti inongowanikwa kubva ku generic drawing template.

Zvinhu Zvinokanganisa Kupera Kwekupererwa uye Kurasikirwa Kwekuisa

Impedance yakapedzwa imhedzisiro ye geometry yakazara uye system yezvinhu. Upamhi hwetrace, etched profile, copper thickness, plating, solder mask, dielectric height, effective Drk, glass weave, copper roughness, reference-plane continuity uye via transitions zvese zvinobatsira.

Zvinopinda zveField-Solver zveControlled Impedance

Usasanganisa nzira dzeDk dzisingaenderane nadzo pasina kunyora shanduko yacho

Mutsetse wakamanikana, mutsetse weBereskin, resonator, kureba kwechikamu chekuchinja, nedzimwe nzira dzinogona kugadzira hunhu hwakasiyana nekuti dzinoyera maumbirwo akasiyana uye dzinosanganisira mhedzisiro dzakasiyana. Mutsetse wemunda uye modhi yekugamuchira zvinofanirwa kushandisa hunhu hwakakodzera chinangwa chaunoda.

Kushivirira kweImpedance kunofanirwa kuratidza kugona kwese kwekuita

Upamhi hwetrace, kureba kwe dielectric, ukobvu hwemhangura, uye Dk zvese zvinosiyana. Kushivirira kwakasimba kwe impedance kunogona kuda mukana wakakura wekushanda, kuvaka zvinhu zvine muganho, hunyanzvi hwakagadziridzwa, makuponi akatsaurirwa, kana kudzora kugadzirwa kwakasimba. Kushivirira kunofanirwa kutungamirirwa nekudiwa kwesisitimu, kwete kukopwa otomatiki kubva kune imwe purojekiti.

Mapeya Akasiyana, Kuruka kweGirazi uye Kucheka Kwemukati mePeya

Kupindirana kwemusiyano we ...

Sarudzo dzekuderedza dambudziko

• Ronga mapeya akakosha pakona diki kuenda kudivi rekutanga regirazi uko marongero anobvumira.
• Shandisa maronda akafara akaenzana nenzvimbo yakakura yezvinhu.
• Sarudza zvivakwa zvakapararira-zvakarukwa zvine resin yakagoverwa yakakodzera.
• Chengetedza majoyometri maviri nenzvimbo yekutarisa zvichienderana.
• Shandisa bhajeti rakakanganisika uye kuenzanisa nzira pane kuvimba nemutemo mumwe chete.

Sarudzo idzi dzinogona kupesana nekuwanda kwenzira, kufananidza urefu, kushandiswa kwepaneru, uye kugadzirwa. Isa izvi kune nzira dzinodzida pane kune ese ma differential pair.

Kwakakwana FR408HR muChannel-Loss Budget

FR408HR yakaiswa sechinhu chinorasikirwa pakati. Inogona kutsigira madhizaini akawanda edhijitari anomhanya, asi hapana zita rechinhu rinotsanangura muganho wehuwandu hwedata. Nzira inogamuchirwa inoenderana nehurefu, huwandu hwehuwandu, zvinobatanidza, mavhiya, copper profile, trace geometry, tembiricha, equalization, uye bhajeti remutumi/mugamuchiri.

Kurasikirwa kwe dielectric kwakasiyana kubva pakurasikirwa kwemutyairi

Df inokanganisa kurasikirwa kwe dielectric. Kuomarara kwemhangura, saizi ye trace, uye kuzara kwemagetsi kunokanganisa kurasikirwa kwe conductor. Sezvo frequency ichikwira, kuomarara kunogona kuva chinhu chikuru. Dhizaini inosarudza FR408HR yeDf yakagadziriswa asi isingateereri foil profile inogona kupotsa bhenefiti inotarisirwa.

Kuboorera kumashure kunogona kukosha kupfuura musiyano mudiki weDf

Kubvisa stub kana kugadzira patsva stub kunoita kuti pave nekusiyana kwesimba. Kune dzimwe nzira, kubvisa stub kana kugadzira patsva stub ye layer transition kunobatsira zvikuru pane kuchinja laminate. Stackup, kuburikidza ne architecture, nezvinhu zvinofanira kugadziriswa pamwe chete.

Ziva nguva yekuenda kune zvinhu zvinoderedza kurasikirwa

Kana modhi yechiteshi isina mukana wakakwana mushure mekunge chinobatanidza chaicho, via, roughness, uye manufacturing variation zvabatanidzwa, ongorora zvinhu zveIsola zvine kurasikirwa kushoma kana kuti hybrid construction. Sarudzo yacho inofanira kubva pakushanda kwechiteshi kwakayerwa kana kuenzanisirwa, kwete pachikwangwani chekuti "high speed."

Muenzaniso weFR408HR Stackup Architectures

Mienzaniso inotevera ihurongwa hwekushanda kwezvikamu zvemainjiniya, kwete zvikamu zvekugadzirwa zvakaburitswa. Ukobvu hwekupedzisira hwe dielectric, magirazi, huremu hwemhangura uye ma trace geometries zvinofanirwa kuenzaniswa nezvinodiwa chaizvo zvebhodhi uye kuwanikwa kwezvinhu.

Mienzaniso iri pazasi inoratidza maitiro ekushanda kwelayer-function, kwete ma stackups ekugadzira akaburitswa. Vanobvisa nemaune ukobvu hwakagadzika hwe dielectric uye upamhi hwe trace nekuti kukosha ikoko kunofanirwa kugadziriswa kubva ku target impedance, mhangura yakapedzwa, kuvakwa kweFR408HR kwakasarudzwa, maitiro epaneru nezvinhu zviripo.

Bhodhi rekudzora uye rekushandisa rine nhurikidzwa nhanhatu

Kutarisa pakuongorora: kuenzana kwemhangura yekunze, kubatana kweL3/L4, kupatsanurwa kweplane, through-via stubs uye kana dhizaini yematanho matanhatu ichipa mareferensi akakwana enguva dzose kune yega nzira yakakosha. Kuongororwa kwePCB yematanho matanhatu kunogona kubatsira kuenzanisa mabasa eplane nerouting, asi kuvakwa kweFR408HR kuchiri kuda modhi yayo ye impedance.

Bhodhi redhijitari rine maturikidzwa masere rinomhanya zvakanyanya

Ongororo yekutarisa: kana danda rega rega rechiratidzo rine chirevo chimwe chete chinoenderera mberi, kuti shanduko dzinochinja sei stitch return current, kana kuiswa kwesimba-ndege kunotsigira PDN, uye kana majometri ekunze nemukati anodzorwa anogona kugovana kushivirira kwakakumbirwa. Enzanisa kurongeka kwebasa negwara reHighleap rekuisa PCB rine 8-layer usati waisa danda refreeze.

Kugadzirisa, networking kana backplane board zvine layer gumi nembiri

Bhodhi reFR408HR rine ma layer gumi nemaviri rinowanzoda kugoverwa kwe signal-class yakajeka pane pattern iri nyore ye signal/plane. Imwe nzira inoshanda inoshanda ndeiyi: Kuti uwane reference ine ma layer-count anoenderana, ona hurukuro ye 10-layer PCB stackup uye gadzirisa misimboti pane kukopa zviyero.

Zvikamu zveL1 / nzira pfupi dzinomhanya zvakanyanya L2 Pasi L3 Boka remitsetse inomhanyisa zvakanyanya A L4 Referensi yepasi kana yesimba L5 Nzira yekumhanya iri pakati nepakati / yekudzora L6 Simba L7 Pasi L8 Nzira yekumhanya iri pakati nepakati / yekudzora L9 Referensi yepasi kana yesimba L10 Boka remitsetse inomhanyisa B L11 Pasi L12 Zvikamu / nzira pfupi dzinomhanya zvakanyanya

Kutarisa pakuongorora: kuenzana kwezvikamu zviviri, kupatsanurwa kwezvinobatanidza, kuunganidzwa kwezvikamu zvinomhanya zvakanyanya, nzira yekuchinja kwepuraneti, kusimba kwesimba, kuratidzwa kwegirazi-kurukwa, stubs dzinopfuura nepakati, kudzika kwedhiriri, kudiwa kwe sequential-lamination, kudiwa kwe resin uye kuunganidzwa kwekunyoresa. Kana bhodhi richida ma lamination cycles akawanda kana ma vias asina kuvharwa, dhizaini yacho inofanira kuongororwa pamwe chete nenzira yakarongwa yekugadzira ma multilayer.

Kuponi yeFR408HR Impedance uye Kuedzwa kweTDR

Kuponi yekugadzira inofanira kuratidza tambo yekutumira yakagadzirwa zvakanaka kuti ipe mhinduro dzinoshanda. Nzvimbo yekuponi, kuvakwa kwemhangura, kuvakwa kwe dielectric, nzvimbo yekunongedzera, nzira yekuyedza uye kushivirira kugamuchirwa zvinofanirwa kubvumwa vasati vaisa panelo.

Kuponi inofanira kumiririra kuvakwa kwebhodhi

Makuponi akaiswa, mapurani ekutarisa, kugadzirwa kwe dielectric, copper plating, solder mask, trace orientation, uye processing zvinofanirwa kuenderana nechimiro chekugadzirwa. Kuponi yakaiswa munzvimbo isina mumiriri wepaneru inogona kupfuura nepo nzvimbo yechigadzirwa ichiita zvakasiyana.

Hwindo rekuyera harifanirwe kubvisa zvinhu zvekutanga

Kuburitswa kweconnector kana probe, kuchinja kwema coupon, uye magumo ekuratidzira zvinogona kukanganisa mhedzisiro. Dhizaini yema coupon uye gadziriro yekuyedza zvinofanirwa kupa chikamu chakagadzikana kwenguva yakareba zvakakwana kuti chiongororwe.

Bvumiranai nezvekushuma usati wagadzira

Mushumo unofanirwa kuratidza chinangwa, kushivirira, kukosha kwakayerwa, chimiro kana dhayagiramu, coupon ID, lot, zuva, uye nzira. Kana zvichidikanwa zviratidzo zvisina kurongeka, mapurani, kana humbowo hwekugadzirisa, zviise mukotesheni.

TDR inosimbisa impedance, kwete kurasikirwa neinsertion

Kuponi yekudzivirira inodarika hairatidzi kuti nzira yese yakarongwa inosangana nezvinodiwa zvekurasikirwa kana dhayagiramu yemaziso. Shandisa mota dzekuyedza dzakakodzera, nzira dzeVNA, kana kusimbiswa kwesystem kana chigadzirwa chichida humbowo hwekurasikirwa nenzira.

Ongororo yeStackup, Zvikanganiso Zvakajairika uye Kugadziriswa Kwekugadzira

Ongororo yekupedzisira yedhizaini inofanira kuvhara musiyano uripo pakati peEDA stackup nerekodhi yekuvaka yemugadziri. Zvikanganiso zvinowanzo sanganisira kushandisa Dr isina kukodzera, kufungidzira kuti ukobvu hwe prepreg hahupo, modeling base copper panzvimbo pe copper yakapedzwa, kusabvisa solder mask, kupwanya reference planes uye kuomesa marongerwo asati abvumidzwa kugadzirwa kwekugadzira.

Ongorora Rondedzero Yekutarisa Usati Waisa Marongerwo muFreeze

1. Simbisa kuti FR408HR inodiwa uye kuti mitemo yekutsiva iri pachena.
2. Tsvaga maumbirwo ese eimpedance anodzorwa nechikamu uye nzvimbo yekunongedzera.
3. Tsanangura chinangwa, kushivirira, chimiro chechimiro, uye kugadziriswa kwekugadzirwa kunobvumirwa.
4. Kumbira mugadziri kuti asarudze zvinhu zvepakati chaipo uye zvekugadzirira.
5. Shandisa Dr/Df inoenderana nekuvaka uye nyora pasi nzira yacho.
6. Ongorora copper yakapedzwa, foil profile, solder mask, uye etch geometry.
7. Tarisa kuenzana kwezvikamu, kuenzana kwemhangura, kugoverwa kwesimba-ndege, uye nzira dzekudzoka.
8. Ongorora uchishandisa ma spans, aspect ratios, backdrill, uye reference transitions.
9. Kurasikirwa kwekuisa modhi nekubatanidza chaiko, kuburikidza, uye fungidziro dzemhangura.
10. Bvumidza kugadzirwa kwemuchina uye coupon usati wamiswa kana kuti maturusi asati atanga.

Kuendeswa Kunodzorwa Kunogadzirwa

Peji rekuisa zvinhu muzvikamu rinogumira panotangira kudzora maitiro ekutevera nguva. Mushure mekunge timu yekugadzira yabvumidza mabasa ekuisa zvinhu muzvikamu, kupindirana kwechinangwa uye zvivakwa zvepakati/prepreg, mugadziri anofanira kusimbisa kuwanikwa kwezvinhu, fungidziro dzekuti zvinhu zvakadzvanywa, muripo wemabasa emaoko, makuponi epaneru uye nzira chaiyo yekuisa zvinhu muzvikamu.

Mushure mekubvumidzwa kwekugadzira zvinhu, simbisai zvinodiwa zvekuisa lamination, kuchera, kuisa ma plating, kuongorora, uye via-structure mupakeji yekugadzira usati waburitsa.

Mibvunzo Inowanzo bvunzwa Nezve FR408HR Stackup, Mareferensi uye Ongororo yeUinjiniya

Chikamu chino chinopindura mibvunzo inodzokororwa yekugadzira, chinozivisa basa remitemo yakakodzera uye mareferensi ekuyedza, uye chinotsanangura kuti ndeapi mashoko anofanira kutumirwa kuti aongororwe.

Mibvunzo Inonyanya Kubvunzwa

Ndeipi Dr inofanira kushandiswa paFR408HR?

Shandisa kukosha kwakabatana nekugadzirwa kwepakati kana prepreg kwakasarudzwa, huwandu hwema frequency, uye nzira yemodeling. Kukosha kwakajairika hakukodzeri kuvaka kwega kwega. Mugadziri nechikwata chevagadziri vanofanirwa kunyora kukosha kwekugadzirwa kunoshandiswa pakuverenga impedance.

Ko Dr imwe chete inogona kushandiswa pa core ne prepreg here?

Hazviiti otomatiki. Zvivakwa zvepakati neprepreg zvinogona kuva nemaitiro akasiyana egirazi uye zviri mukati me resin. Prepreg inewo kusava nechokwadi kwekukora kwakasimbiswa. Shandisa data rakanangana nekuvaka uye modhi yemugadziri.

Ko FR408HR inoda nzira yakakosha ye impedance-coupon here?

Hapana nzira yakasiyana inodiwa nekuda kwezvinhu chete, asi coupon inofanira kuratidza chivakwa chaicho uye mhangura yakapedzwa. Kushuma nekugamuchirwa zvinofanira kubvumirana usati wagadzira.

Ko FR408HR yakakodzera PCIe, Ethernet, DDR, kana SerDes here?

Inogona kukodzera kushandiswa kwakawanda, asi zita rekushandisa chete harina kukwana. Mwero wedata, kureba kwechiteshi, topology, connectors, vias, loss budget, equalization, uye manufacturing variation zvinosarudza kukodzera.

Peji rekuunganidza zvinhu rinofanira kunge riine zviri mukati memashoko ekukotesa here?

Kuunganidzwa, Kutevedzera uye Mareferensi Ekuyedza

Manyuko ari pazasi anotsigira hurukuro yezvinyorwa uye zviyero zviri papeji rino. Makosheti edata remutengesi ndiwo makoshero akajairika anoyerwa pasi penzira dzakataurwa; kudhirowa kwemutengi, odha yekutenga, kuunganidzwa kwakabvumidzwa, uye kugadziriswa kwakatsanangurwa pachibvumirano zvinoramba zviri izvo zvinodiwa zvekutonga kuti chigadzirwa chigamuchirwe.

• Matafura ekuvaka eIsola FR408HR Dr/Df — Hunhu hwepakati nehwakagadzirwa nekugadzirwa, huwandu hwe resin, ukobvu uye frequency.
• Pepa reruzivo reIsola FR408HR — Maitiro eDk/Df anoenderana nefrequency uye nzira dzekuyedza.
• IPC-2141 — Kudzora-kudzora uye nhungamiro yekugadzira nekukurumidza; shandisa field-solver modeling uye mhinduro yekugadzira kuti uwane geometry yekupedzisira.
• IPC-2221 / IPC-2222 — Zvinodiwa zvekugadzira bhodhi rakajairika uye rakasimba zvinoronga sarudzo dzekuunganidza, kufambisa, nzvimbo, maburi uye magwaro.
• IPC-TM-650 — Raibhurari yenzira yekuyedza yekuyerwa kwezvinhu uye bhodhi rakadhindwa; nzira chaiyo inofanira kutaurwa kana mhedzisiro yaenzaniswa.

Tumira Stackup yeOngororo yeUinjiniya

Tumira mabasa echikamu, ukobvu hwakapedzwa, mhangura yekutanga neyakapedzwa, tafura inodzorwa-impedance, nominal trace geometry, ruzivo rwenzira yakakosha, kuburikidza nekugadzira uye huwandu hwekugadzira. Highleap inogona kuyera kuvakwa kwepfungwa kune macores eFR408HR aripo uye prepregs uye kuona saizi dzinoda mvumo yakanyorwa usati waisa chando kana kushandisa maturusi.

Batanidza FR408HR stackup yakagamuchirwa nemutengo wekugadzira.