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Altera_Forum
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16 years ago

Assembling an FPGA board on 2 layers PCB

Hi all, is it possible to build a working board based on a Cyclone II/III FPGA 144pin in QFP package on a 2-layers only PCB? The board would also contain a FTDI device for USB communications and...
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Altera_Forum
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16 years ago

when you take some time to read all those app notes, be carefull. you should start to understand the basics of high speed designs and emc correct layouts. what are coupling mechanism, crosstalk, impedance controlled power supply why and how, how to correctly seperated analog from digital power supply, how to cross over slit planes, how to connect different GNDs together (Analog GND and Digital GND), return currents ...

the best adc is worth nothing when the layout itself disturbs everything

but the principals or the basic rules are easy, once you understood them you know where to look for.

if you want to open such files, ask for a demo version or a viewer only. or for a gerber viewing tool, most examples deliver the gerber files too