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Altera_Forum
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14 years ago

How to implement a FIR filter with the ALTSHIFT_TAPS megafunction

Good day, I am trying to implement an FIR that will have 128 taps of 21 bits each tap. I am trying to do this with the ALTSHIFT_TAPS megafunction. However, I am confused with the TAP_DIS...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

using alt-shift is atraighforward and does not need any muxing...

all you need is a clock at 3xFs in phase then pass your data on Fs and read taps on Fs but let shift run at 3Fs.