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Altera_Forum
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12 years ago

Beginner device CPLD/FPGA selection for anti-aliasing filter

Hi all, I am working on a HW design for power analysis of 8channel 50/60Hz signals that are sampled @ around 50kHz / channel. These signals needs to be filtered after sampling before transforma...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

IMHO it's not the only problem with those kind of converters. I'd really like to know what's the point of using 24 bits when you have a 99dB SNR. Can't you achieve the same results with a 18 bit converter and use a random generator for the low 6 bits? You spare some money and complexity, and still make the marketing guys happy.