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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...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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I will go for skipping the Bead filter and go for a good bypassing instead.

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I can tell, that this variant has been used with all Cyclone III designs I was involved with during the last years. VCCA has been mostly additionally filtered by a ferrite bead or low ohmic RC.