0102 ib0304 ib05
kev paub
Dab tsi yog impedance tswj thiab yuav ua li cas tswj impedance ntawm PCBs
Xyoo 2020-04-08
Hauv kev tsim cov khoom siv hluav taws xob niaj hnub no, PCBs ua lub luag haujlwm tseem ceeb. Kev ua haujlwm ntawm PCBs ncaj qha cuam tshuam rau kev ruaj ntseg, kev ntseeg tau thiab kev sib kis tau zoo ntawm tag nrho cov tshuab hluav taws xob.
Kev soj ntsuam ntawm Back Drilling Technology hauv Kev Kub Ceev PCB Tsim
Xyoo 2020-04-08
PCB ntawm feem ntau yog tsim los ntawm qhov (los ntawm qhov saum npoo mus rau hauv qab txheej). Thaum cov kab PCB txuas rau ntawm txoj kab txuas mus ze dua rau txheej sab saum toj, ib qho "stub" bifurcation yuav tshwm sim ntawm qhov sib txuas ntawm PCB.