Re: [Discuss-gnuradio] USRP Tx Rate Conversion

[Ed Criscuolo]

Wireless Monster wrote:
> Hi Brian,
> Thank you for your help. Looks good :)
>
> So If I understood correctly I can do the following:
>
> I set the USRP interpolator to 64, so the USRP sink will consume samples 
> at a 2MS/s. I add the resampler just before with a ratio 16/13 so I it 
> consumes samples with a 1.625MS/s rate. Just before that I have the GMSK 
> filter with a interpolation factor of 6 so at the input it is consuming 
> samples at the desired rate 270833.333 Samples/s.
>
> At hat point can I send the samples (for example from a file with 
> gr.file_source) and guarantee they will be treated as a 270.8333Ks/s 
> stream? (assuming there will be enough samples to process)
>
> Thank you again for your help!


Doesn't the resampler have to be followed by a low pass filter
to remove the aliased high frequencies that are introduced?

@(^.^)@  Ed