1. Ukukhetha izixhobo ezifanelekileyo
Ukukhetha izixhobo ezifanelekileyo kubalulekile ekudaleni iiPCBs ezikumgangatho ophezulu.Ukukhethwa kwezinto eziphathekayo kuya kuxhomekeka kwiimfuno ezithile zesekethe kunye noluhlu lwamaza okusebenza.Umzekelo, i-FR-4 yinto eqhelekileyo esetyenziselwa ii-PCBs ezisezantsi.Kwelinye icala, iiRogers okanye izixhobo zePTFE zihlala zilungile kuluhlu oluphezulu lwamaza.Kwakhona kubalulekile ukukhetha izinto ezinokulahleka kwe-dielectric ephantsi kunye ne-thermal conductivity ephezulu.Oku kuya kunciphisa ilahleko yomqondiso kunye nokwakhiwa kobushushu.
2. Ukumisela Ububanzi bomkhondo kunye neZithuba
Ukumisela ububanzi bomkhondo obufanelekileyo kunye nezithuba zibalulekile ekufezekiseni ukusebenza kakuhle komqondiso kunye nokunciphisa ukuphazamiseka kwe-electromagnetic.Oku kunokuba yinkqubo enzima ebandakanya ukubala i-impedance, ukulahleka komqondiso, kunye nezinye izinto ezichaphazela umgangatho wesignali.Isoftware yoyilo yePCB inokunceda ukuzenzela le nkqubo.Nangona kunjalo, kubalulekile ukuqonda imigaqo esisiseko ukuqinisekisa iziphumo ezichanekileyo.
3. Ukongeza iiPlanethi eziGrounded
Iinqwelomoya ezisezantsi zibalulekile ekunciphiseni ukuphazamiseka kwe-electromagnetic kunye nokuphucula umgangatho wesignali kwii-PCBs ze-induction.Banceda ukukhusela isekethe kwiinkalo zangaphandle ze-electromagnetic.Le yindlela enciphisa ngayo i-crosstalk phakathi kweempawu zesignali ezikufutshane.
4. Ukudala iMicrostrip Transmission Lines
Imigca yothumelo ye-stripline kunye ne-microstrip lulungelelwaniso lomkhondo olukhethekileyo kwi-PCBs yokungenisa ukuhambisa imiqondiso yefrikhwensi ephezulu.Imigca yothumelo yemigca iqulathe umkhondo womqondiso odityaniswe phakathi kweenqwelomoya ezimbini ezisezantsi.Nangona kunjalo, imigca yokuhanjiswa kweMicrostrip inomkhondo wesiginali kwinqanaba elinye kunye nenqwelomoya ephantsi kwinqanaba elichaseneyo.Olu lungelelwaniso lomkhondo lunceda ukunciphisa ukulahleka komqondiso kunye nokuphazamiseka kunye nokuqinisekisa umgangatho wesignali ohambelanayo kwisekethe.
5. Ukwenza iPCB
Nje ukuba uyilo lugqityiwe, abayili benza iPCB besebenzisa inkqubo yokuthabatha okanye yokongeza.Inkqubo yokuthabatha ibandakanya ukutsala ubhedu olungafunwayo kusetyenziswa isisombululo sekhemikhali.Ngokuchasene noko, inkqubo yokongeza ibandakanya ukubeka ubhedu kwi-substrate usebenzisa i-electroplating.Zombini iinkqubo zineenzuzo zabo kunye nokungonakali, kwaye ukhetho luya kuxhomekeka kwiimfuno ezithile zesekethe.
6. INdibano kunye noVavanyo
Emva kokwenziwa kweePCBs, abaqulunqi bazihlanganisela ebhodini.Emva koku bavavanya isekethe ukusebenza kunye nokusebenza.Uvavanyo lunokubandakanya ukulinganisa umgangatho wophawu, ukujonga iibhulukhwe ezimfutshane kunye nokuvula, kunye nokuqinisekisa ukusebenza kwamacandelo ngamanye.
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Ixesha lokuposa: Apr-11-2023