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

[ree]

fft help

hello,

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

thanks

 

[Alexander Yin]

fft help

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

 

[ree]

Re: fft help

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

yes please , or certain o/p from simulation

 

[achandra]

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.

 

[ree]

Re: 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.

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

 

[muralicrl]

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

 

[iwpia50s]

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.