Hi Danny, I think what you want is the regular 'fft' with the "number of simultaneous inputs" set to 0. This gives you two independent streams labels as pol0 and pol1.
Cheers, Laura On Thu, Mar 18, 2010 at 11:12 AM, Danny Price <[email protected]> wrote: > G'day all > > Does anyone have experience with using a 2^1 simultaneous input FFT? The > fft_wideband_real block has a minimum of 4 inputs; has anyone ever modified > this or built a 2 input version? > > The reason I ask is that we would like to make a 0-200MHz spectrometer; the > initial plan was clocking the ROACH at 200MHz => ADC at 800MHz, then > dropping two of the four ADC samples. We're after high spectral resolution > and would like to pack four spectrometers onto one board. Any advice? > > Thanks > Danny > >
