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Xilinx Pipelined/Streaming FFT Architecure?

Started by onkars April 19, 2010
Hi,

Can anyone tell me whether the Xilinx Pipelined FFT arch uses R2SDF or
R2^2SDF?

Regards,
Onkar

	   
					
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Altera clearly mentions that their pipelined FFT core uses R2^2SDF
architecture.
But I could not find any such info about Xilinx -- can anyone help?

Onkar

>Hi, > >Can anyone tell me whether the Xilinx Pipelined FFT arch uses R2SDF or >R2^2SDF? > >Regards, >Onkar > > > >--------------------------------------- >Posted through http://www.FPGARelated.com >
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I guess Xilinx also uses R2^2SDF --- because they have scaling for every
pair of radix 2 butterflies.

> >Altera clearly mentions that their pipelined FFT core uses R2^2SDF >architecture. >But I could not find any such info about Xilinx -- can anyone help? > >Onkar > >>Hi, >> >>Can anyone tell me whether the Xilinx Pipelined FFT arch uses R2SDF or >>R2^2SDF? >> >>Regards, >>Onkar >> >> >> >>--------------------------------------- >>Posted through http://www.FPGARelated.com >> > >--------------------------------------- >Posted through http://www.FPGARelated.com >
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Any information in this regard will be really appreciated.


> >I guess Xilinx also uses R2^2SDF --- because they have scaling for every >pair of radix 2 butterflies. > >> >>Altera clearly mentions that their pipelined FFT core uses R2^2SDF >>architecture. >>But I could not find any such info about Xilinx -- can anyone help? >> >>Onkar >> >>>Hi, >>> >>>Can anyone tell me whether the Xilinx Pipelined FFT arch uses R2SDF or >>>R2^2SDF? >>> >>>Regards, >>>Onkar >>> >>> >>> >>>--------------------------------------- >>>Posted through http://www.FPGARelated.com >>> >> >>--------------------------------------- >>Posted through http://www.FPGARelated.com >> > >--------------------------------------- >Posted through http://www.FPGARelated.com >
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