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Altera_Forum's avatar
Altera_Forum
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15 years ago

FIR filter coefficient scaling and downscaling

I have a sensor signal which is unsigned 12 bits and i need to filter the signal using a FIR filter. The filtered output feeds into an algorithm which expects 12bit unsigned input. I have used...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

The sum of coeff is 51519. Do you think some thing is not set right in the fir compiler setting. I am using the following settings:

Input Number System : unsigned binary

Input Bit Width: 12

Coeffecients scaling: Auto

Bit width 12

Structure: fully Parallel filter.