WHY DESIGN MULTI LAYER IN PCB ?

Here, we are going to know why we design a Multi Layer PCB or why Multi Layer PCB design is required?

Here are some of the points (reasons) based on we can understand why it is required to have a multi player PCB design?

  1. If weight and volume savings in interconnections are the overriding considerations
  2. When the complexity of interconnection in sub-systems requires complicated and expensive wiring or harnessing
  3. If frequency requirements call for careful control and uniformity of conductor wave impedance with minimum distortions and signal propagation, and where the uniformity of these characteristics from board-to-board is important.
  4. When coupling or shielding of a large number of connections is necessary with multi-layer, all interconnections can be placed on internal layers, and a heat sink of thick solid copper should be placed on the outer surfaces.

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