10
votes
1answer
203 views

Is it possible to have too much decoupling?

In most of my designs recently I've been quite liberal in using decoupling caps (especially 0.1uf X5Rs) on most if not all of the supply pins for anything that performs some remotely significant ...
6
votes
1answer
762 views

PCB 'Emi proof' design

Currently I'm designing a GPS basestation which will have a radiomodem (broadcasting at 407-480MHz), a ARM7 microcontroller running at 60MHz and a FTDI USB chip. The FTDI USB chip even runs at 480MHz ...