Hi Josh, I am just wondering how the USRP performs the 8 bit mapping for I & Q samples. The ADC & DAC have 12 - 14 bit precision, I think. When I select the sc8 wire format, does the USRP divide the entire received signal range into 2^8 sectors and uses one number to represent each of those?
Thanks, Nazmul On Sun, Jul 22, 2012 at 4:22 PM, Josh Blum <j...@ettus.com> wrote: > > > On 07/22/2012 01:14 PM, Nazmul Islam wrote: > > Hello, > > > > I am trying to use the complex int16 option of the UHD (source/sink) > > blocks in my GRC generated python codes. I am doing wide band spectral > > analysis in my experiments. Therefore, 50 MS/s will be very helpful for > me. > > > > The host format and the wire format are totally independent options > here. Both of these properties also configurable properties in the GRC > USRP source/sink blocks. > > * You need to set the wire format to sc8 (thats 2 bytes per complex > sample) to achieve 50 Msps over gigabit ethernet. > > * The desired host format does not have to change. fc32 (complex floats) > is a perfectly valid setting > > -josh > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > -- Muhammad Nazmul Islam Graduate Student Electrical & Computer Engineering Wireless Information & Networking Laboratory Rutgers, USA.
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