How can I write code in VHDL that makes FFT for certain func

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fft help

hello,

i want to know how i can write code in VHDL that makes FFT for certain function

thanks
 

fft help

what do u mean by "makes FFT for certain function" ?
 

Re: fft help

Alexander Yin said:
what do u mean by "makes FFT for certain function" ?
Click to expand...

yes please , or certain o/p from simulation
 

fft help

TRy implementing the butterfly architecture given in DSP textbooks in VHDL....clue:implement one butterfly per clock cycle...it will be an efficient design.
 

Re: fft help

achandra said:
TRy implementing the butterfly architecture given in DSP textbooks in VHDL....clue:implement one butterfly per clock cycle...it will be an efficient design.
Click to expand...

please can u tell me how to implement this design?and what's it's archticture?
 

Re: fft help

Hi,

If you are using Altera Quartus software, the FFT function is a free IP. You can use it.

If you need more details, contact me.

Regards,

N.Muralidhara
 

fft help

An FFT in simple terms is a multiple function on the I and Q of a quantized data set. A DSP book can explain the details.
 

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