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Altera_Forum's avatar
Altera_Forum
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14 years ago

NCO help...

Hi i'm trying to test a fixed point filter on a FPGA board, my filter has an input of 16 bit, but the maximum value it can take without saturation is 1023 which is 11 bits. so far the only signal i'v...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

To further Clarify what i'm saying is, i have an NCO with a 11bit output. but the filter has a 12 bit input. under these conditions if i just simply draw a wire i will get a width mismatch. i tried to do this in VHDL like Kaz suggested but it wouldnt work. if it's easier to do it in the schematic i would prefer that way. i just want clear detailed instruction as i have never done this before and information online seems scarce.