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Altera_Forum
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17 years ago

Matlab FFT Vs. DSP Builder FFT

I'v posted a thread in this section, maybe I was wrong, please check it at the following link http://www.alteraforum.com/forum/showthread.php?t=1654&highlight=dsp+fft (http://www.alteraforum.co...
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Altera_Forum
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17 years ago

Be sure to pay attention to the sink_ready signal when you are using Altera's FFT core: the signal indicates when the core is ready to take on input. You are seeing the shift because you are not paying attention to this signal and are sending in data when the core isn't ready.