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Altera_Forum
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15 years ago

Power supply[PCB-dev.]-Cyclone IV

Hi. I have some questions regarding power supply for an Altera Cyclone IV. The FPGA will be powered by a li-ion battery (Vout is between 4,0 – 3,1). Since the battery could go below 3,3V m...
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Altera_Forum
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15 years ago

Hi FvM,

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There are more capacitors connected as DE nano schematic shows.

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Yeah, I figured there probably was, however, even if the schematic shows the capacitors next to the bead, the PCB layout engineer can still mistakenly place the capacitors too far from the bead.

I simply wanted to point out the correct way to design a power supply filter, since that is what the original post was requesting.

Cheers,

Dave