Is possible to have a FFT using the cordic algorithm. At opencores you can get a configurable one. I used it some time ago but I don't remember the percentual of FPGA utilization, or the use of any multipliers.
Euripedes 2011/3/12 Matt Ettus <m...@ettus.com> > On 03/11/2011 06:06 PM, Alaa Salaheldin wrote: > > SA > > i'm working with USRP1 and i want to use only one transmitter ( 2 > > duc ) and one receiver ( 2 ddc ) and delete the other modules to free > > some area on the chip so that i can implement a FFT to use it in > > frequency analysis , How could i do so ? and can i fit a FFT with > > 375-point in the freed area ? > > > > > The FPGA on the USRP1 does not have any multipliers. You might be able > to make an FFT, but it would be quite slow. The USRP N200 and E100 have > much bigger FPGAs which could be used to make an FFT. > > Matt > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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