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I am using Quartus II 11.0. It looks like the FIR filter Megafunction supports only Signed Binary or Signed Fractional Binary.

As far as I understand, this means that the MSB is the sign bit, and the lower order bits are the magnitude. Is that correct? Why isn't there a twos-complement option? Does it make the FIR implementation easier? http://i.imgur.com/VD6X8.pngLink Copied

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