The problem of NCO

Question

Hi!

I am new to the NCO.

I meet some problem when I use the NCO,I want to use the NCO to generate a sinusoidal wave and a cosine wave,but the result is not right.

is anyone can suggest me?

thank you in advance!

altera_forum · Answer

The value for the phase increment that you input on the phi vector is wrong. It should be the value indicated by the megawizard (85899346).

altera_forum · Answer

I get it,thank you!

altera_forum · Answer

which value is entered by user?(signed or unsigned or hex .....)

altera_forum · Answer

I'm guessing decimal, but it is probably written somewhere in the NCO datasheet.

altera_forum · Answer

thank you so much

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