Tsim PCB RF los ntawm kev xav mus rau kev xyaum: Ib Phau Ntawv Qhia Txog Kev Tsim Kho tiav los ntawm Rich Full Joy
Nyob rau hauv kev lag luam hluav taws xob niaj hnub no uas hloov pauv sai heev, RF (Xov Tooj Cua Zaus) PCB tsimua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev siv ceev thiab zaus siab xws li Kev sib txuas lus 5G, IoT, kev tsav dav hlau, thiab tsheb radarUa ib lub tuam txhab uas muaj ntau xyoo ntawm kev paub tob hauv kev tsim PCB siab zaus, Kev Xyiv Fab Tag Nrhozoo siab los qhia cov kev nkag siab ntawm cov kws tshaj lij rau cov neeg tsim PCB uas tab tom nrhiav kev los ua tus thawj coj ntawm kev tsim RF board.
Cov teeb liab RF feem ntau ua haujlwm hauv 300MHz txog 300GHz ntau yam, thiab tsim ib lub PCB rau cov zaus zoo li no ua rau muaj cov teeb meem tshwj xeeb uas tsis pom hauv cov kab ke ceev qis. Cov no suav nrog kev ncaj ncees ntawm lub teeb liab, Kev tswj hwm EMI, kev ua tau zoo ntawm cov khoom siv dielectric, thiab kev sib phim impedance meejHauv phau ntawv qhia no, peb tshawb nrhiav cov kev coj ua zoo tshaj plaws thiab cov tswv yim tsim qauv rau kev tsim cov PCBs RF txhim khu kev qha thiab ua haujlwm tau zoo.
Kev Nkag Siab Txog RF PCBs
Ib PCB RFyog lub rooj tsavxwm luam tawm uas ua haujlwm ntawm cov zaus xov tooj cua, feem ntau sib xyaw ua ke ob qho tib si digitalthiab cov khoom sib piv, tsim qhov uas hu ua lub rooj tsavxwm sib xyaw ua keQhov kev sib tw ntawm no yog nyob rau hauv kev tswj hwm qhov kev sib cuam tshuam ntawm cov hom teeb liab, vim tias kev teeb tsa tsis raug tuaj yeem ua rau muaj kev cuam tshuam loj heev thiab teeb meem kev cuam tshuam.
Nyob ntawm seb kev tswj hwm lub zog, RF PCBs tuaj yeem muab faib ua:
- Cov PCB RF uas muaj zog tsawg, uas muab qhov tseem ceeb rau suab nrov qis thiab lub teeb liab rhiab heev
- Cov PCB RF muaj zog heev, uas xav tau kev tsim qauv thermal zoo thiab lub zog ruaj khov
Txhua pawg xav tau kev txiav txim siab tshwj xeeb thaum lub sijhawm tsim qauv.
Cov Lus Qhia Tseem Ceeb ntawm RF PCB Tsim
1, Kev Xaiv Khoom Siv: Lub Hauv Paus ntawm RF Kev Ua Tau Zoo
Kev xaiv cov khoom siv substrate ncaj qha cuam tshuam kev ncaj ncees ntawm lub teeb liab, kev ruaj khov ntawm thermal, thiab impedance sib xwshla ntau zaus. Cov kev ntsuas tseem ceeb suav nrog:
Coefficient ntawm Thermal Expansion (CTE)
CTE yuav tsum sib xws nrog cov khoom sib dhos. Cov nqi nthuav dav tsis sib xws tuaj yeem ua rau cov pob qij txha tawg lossis cov kab tawg - tshwj xeeb tshaj yog nyob rau hauv Cov PCB RF ntau txheejQhov no tseem ceeb heev rau cov lag luam uas muaj kev ntseeg siab zoo li kev tsav dav hlauthiab kev sib txuas lus hauv xov tooj.
Dielectric Constant (Dk)
Dk txhais tau tias cov teeb liab kis tau sai npaum li cas. Cov kab ke RF feem ntau xav tau Cov ntaub ntawv Dk qis thiab ruaj khovrau kev tswj hwm impedance meej thiab txo qhov kev cuam tshuam. 5G thiab millimeter-wavedaim ntawv thov, cov ntaub ntawv Dk qis dua zoo li RO4350Blos yog RT/duroidyog nyiam dua.
Qhov Cuam Tshuam ntawm Kev Tawg (Df)
Df qhia txog kev poob dielectric. Hauv kev sib kis zaus siab, ib Df qisyog qhov tseem ceeb heev rau kev txo qis qhov teeb liab attenuation thiab tswj kom huv si waveform integrity hla qhov deb.
Cov Lus Qhia Zoo:Cov ntaub ntawv zoo li RO4000, RO3000, thiab Cov laminates ua los ntawm PTFEyog cov qauv kev lag luam rau RF PCBs. Cov ntawv ci tooj liab du nrog qhov tsis ntxhib kuj pab txo qhov poob ntawm lub teeb liab los ntawm cov teebmeem ntawm daim tawv nqaij.
2, Kev Tsim Qauv Txheej Txheem Zoo Tshaj Plaws
Kev sib tshooj ntawm cov txheej cuam tshuam rau EMI suppression, impedance stability, thiab signal routing efficiency.
Qhov Sib Nrug ntawm Cheebtsam
Cov khoom RF yuav tsum tau muab qhov chaw raws li lawv txoj haujlwm thiab qib fais fab. Tswj kom muaj qhov chaw txaus ntawm cov khoom siv hluav taws xob siabthiab cov voj voog analog uas rhiab heevkom txo qhov kev cuam tshuam sib pab thiab txhim kho thermal dissipation.
Cov Cim Cais
Tsis txhob muab cov cim uas ntab los yog cais tawm, uas ua haujlwm li cov antennas uas tsis tswj tauYog tias tsis zam tau, txo lawv nrog kev tiv thaiv hauv av lossis kev tswj qhov ntev.
Kev Tso Chaw Rau Cov Cheebtsam Tseem Ceeb
Muab cov khoom raws li cov teeb liab ntwsthiab kev ua pawg ua haujlwmCov kev sib txuas luv dua txo cov kab mob parasitic inductance thiab kev poob teeb liab. Tso chaw txaus rau kev kuaj probes thiab kev nkag mus rau kev ua haujlwm dua.
Kev suav txheej thiab kev npaj
Siv cov txheej sab saud rau RF routing, av dav hlau hauv nruab nrab, thiab cov txheej hauv qab rau cov kab digital lossis qis-ceev. Sib npaug stackups nrog txoj kev rov qab los hauv av khov khotxo cov voj voog inductance thiab EMI.
Kev Sib Cais Fais Fab
Txhua lub IC xav tau kev sib cais hauv zoslos lim lub suab nrov ntawm lub zog. Muab cov decoupling capacitors tso ze rau cov pins fais fab, siv cov nqi tsim nyog rau IC lub zaus thiab cov yam ntxwv impedance.
3, Kev Teeb Meem RF Precision
RF routing yog ib qho kev tshawb fawb. Lub hom phiaj yog los tswj tswj tau impedancethiab qhov tsawg kawg nkaus ntawm kev puas tsuaj ntawm lub teeb liab.
Khaws cov cim luv luv
Cov kab luv dua sib npaug rau qhov txo qis attenuation thiab reflection. Tsis txhob muaj cov voj voog tsis tsim nyog hauv txoj kev routing.
Tiv Thaiv Kev Sib Tw Ua Ke
Tsis txhob siv cov cim qhia RF sib luag thiab cov cim qhia tsis yog RF. Cov teb sib txuas ua rau kev sib tham sib txuas lusYog tias tsis zam tau, nce qhov nrug thiab siv cov khoom tiv thaiv hauv av.
Txhais Cov Ntsiab Lus Xeem
Cov ntsiab lus xeem yuav tsum yog cais tawm ntawm cov kab teeb liabkom tiv thaiv kev cuam tshuam ntawm lub teeb liab thaum lub sijhawm lees paub.
Cov Khoov Ntse
Cov ces kaum RF yuav tsum tau puag ncig los yog beveled, tsis ntse. Tswj kom muaj qhov khoov vojvoog tsawg kawg 2x qhov dav ntawm txoj kabkom tiv thaiv kev cuam tshuam ntawm lub teeb liab.
Rich Full Joy qhov zoo hauv RF PCB Tsim
Nrog rau ntau tshaj 20 xyoo ntawm kev paub txog kev tsim kho, Kev Xyiv Fab Tag Nrho uas Nplua Nuj coj los:
- Kev txawj ntse hauv RF multilayer board stacks
- Muaj pov thawj lawm kev tswj hwm impedancerau kev ua haujlwm siab zaus
- Kev paub txog kev ua cov khoom siv uas tsis tshua muaj kev poob qis
- Txhim khu kev qha DFM (Tsim rau Kev Tsim Khoom)kev tshuaj xyuas kom tshem tawm cov teeb meem tsim qauv thaum ntxov
- Kev txhawb nqa tshwj xeeb rau cov ntawv thov hauv 5G, radar, satcom, thiab kev tsav dav hlau
Txawm koj tab tom tsim lub antenna module uas me me heev lossis lub transceiver satellite uas tseem ceeb heev, peb muab Kev daws teeb meem PCB RF tshwj xeebtxhawb nqa los ntawm cov qauv kev lag luam thoob ntiaj teb.
Cov Rooj Sib Tham Hauv Is Taws Nem Lub Plaub Hlis Uas Yuav Los Txog: Qhib Koj Lub Tswv Yim Tsim PCB RF
Npaj txhij mus tob dua rau kev tswj xyuas qhov zoo ntawm RF? Koom nrog Rich Full Joy thiab cov kws tshaj lij ua thawj coj lub Plaub Hlis no:
Plaub Hlis 14 – 14:00
Multilayer RF PCB Lamination: Cov Txheej Txheem Tseem Ceeb & Kev Tswj Xyuas Kev Tawm Tsam
- Qauv lamination peb theem kub, peb theem siab
- Txo qhov kev kam rau siab impedance ntawm ± 10% mus rau ± 5%
- Txhawb nqa aerospace RF PCB lamination yield los ntawm 32%
Plaub Hlis 16 – 16:00
Cov Txheej Txheem Ua Kom Tiav Ntawm Qhov Chaw Rau RF PCBs: Ua tiav Kev Sib Txuas Zoo Tshaj Plaws
- Kev sib piv matrix: ENIG vs. OSP vs. Immersion Silver
- Kev tshuaj xyuas qhov ua rau muaj kev ua tsis tiav ntawm cov laug cam hauv cov laug cam telecom
- Cov kev teeb tsa tiav ntawm qhov chaw zoo tshaj plaws rau cov ntawv thov kev ntseeg siab siab
Plaub Hlis 18 - 10:00
Nkag Siab Txog Cov Qauv PCB RF: Ua Tau Raws Li Cov Qauv Toughest ntawm Kev Lag Luam
- Cov duab qhia txog cov lus qhia ntawm IPC-2223 cov zaus siab
- Kev tswj qhov tseeb ntawm qhov loj me ntawm cov theem millimeter-wave
- Cov lus qhia ua tau zoo rau kev ua raws li RoHS 3.1 hauv RF PCBs
Plaub Hlis 21 - 14:00
Tswj RF PCB Zoo los ntawm Qhov Chaw Tsim Khoom
- Daim ntawv teev npe DFM 28-point
- Kev sim ua kom lub teeb liab zoo li lub lim dej ua ntej tsim khoom
- Ib qho kev tshawb fawb txog rooj plaub: Kev tsim cov PCB ntawm 5G chaw nres tsheb tsis muaj qhov tsis zoo
Koom nrog Lub Zog:
- Ua raws li Rich Full Joy kom tau txais cov xov xwm tshiab tiag tiag
- Tawm tswv yim rau koj qhov kev txhawj xeeb txog kev tsim qauv RF saum toj kawg nkaus
- Rov xa dua & cim 3 tus engineers kom qhib peb cov khoom tshwj xeeb Daim Ntawv Dawb Txog Kev Tswj Xyuas Zoo ntawm RF PCB
