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Altera_Forum
Honored Contributor
Honored Contributorhow to choose to truncate signal width
when the signed signal pass through multiply or FIR ,the signal width extend.how should i choose to truncate the signal width . generally,we truncate (LSB)Least Significant Bit ,retain MSB. But,in my...
Altera_ForumHonored Contributor
Honored ContributorHi,
It sounds like the intermediate value is so low that you loose the significant bits by trunkating on LSB. Maybe you need to analyze the data path theoretically to understand where the significant bits are in each step of the design to maximize the dynamic range. How about using fixed point arithmetics? Thanks J
