The space between copper planes can act as waveguides for RF frequencies. It makes trace impedance changes and signal losses.
To cut such waveguide effect, put vias, which is essentially a copper cylinder.
When the distances between vias are small enough compared to the wavelength, the board is like continuous copper material, instead of waveguide.
Read More: Prototype PCB Assembly
#PCB Design
We would like to do wave soldering for the through hole components. All through hole components are top side of PCB. Only test points, which require mask during process, are on the bottom side. So there is a extra labour cost at adding and removing the mask. Can we do wave solder the through hole parts without masking it?
Designing wiring for automotive which will be equipped with antenna. Is it proper to use 50 ohm transmission line in this case?
When I audit a supplier, I find that they label PCB bare part. Why do they do that and what is the advantages?
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