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Visitor
yangli
Posts: 2
Registered: ‎04-25-2012
0

fft core :what's the scale arithmetic

Is there anybody who can explain how it work? I' appreciate what u  done for me. I mean that

OPTIMISM, PASSION & HARDWORK
Xilinx Employee
chrisar
Posts: 383
Registered: ‎08-01-2007
0

Re: fft core :what's the scale arithmetic

The available information on the FFT Scaling can be found in the FFT Data Sheet.

 

Page 3 - Finite Word Lenght Considerations

Page 15 - Look at the scaling informaiton under each of the specific Architectures

Page 19 - Overflow Section

 

http://www.xilinx.com/support/documentation/ip_documentation/ds808_xfft.pdf

Chris