Wednesday, 26 October 2016

pcb design - Why do PCBs always have an even number of layers?


Looking at many online PCB fabs, when spec'ing out a board and uploading your gerbers, often you select how many Layers your board should have. Invariably, the options are always multiples of two.


Why is that expected? While if you have three layers, throwing a ground plane in isn't a big deal, but what is the reasoning behind always sticking to even numbers?





No comments:

Post a Comment

arduino - Can I use TI's cc2541 BLE as micro controller to perform operations/ processing instead of ATmega328P AU to save cost?

I am using arduino pro mini (which contains Atmega328p AU ) along with cc2541(HM-10) to process and transfer data over BLE to smartphone. I...