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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

Assuming both data are 2s complement (NCO output definitely is), just copy bit 10 to bit 11. You need to access individual bits for this. It's only a trivial schematic entry problem, not related to DSP or NCO anyhow. The standard library has e.g. a wire component to connect different nets.