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Altera_Forum
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11 years ago

input[12] bit width for dac in squre root calculation.

in a square root operation of 4sinwt using altfp_sqrt block . i have taken 32 bit input and 32 bit output and clock was system clock from pin 28. so program compiled succesfullt. now for showing it i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

altfp_sqrt is using floating point numbers which have to be converted to integer before you send it to a DAC.

I think you are asking about a digital signal processing respectively number crunching problem which isn't specific to FPGA.

You should get clear about the expected data number ranges. Pencil and paper method is probably the best way.