Re: [Discuss-gnuradio] USRP Problems with decim_rate = 4

2008-07-28 Thread Firas Abbas
Hi, You can use USRP with decim_rate = 4 only if you use FPGA image std_4rx_0tx.rbf (no half band filter). See: http://gnuradio.org/trac/wiki/UsrpFAQ/DDC Firas ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mail

[Discuss-gnuradio] USRP Problems with decim_rate = 4

2008-07-28 Thread Sl Sl
Hi I think the USRP can provide the minimum decimate rate of 4. So I changed the output data format from short to char. With 8-bit I & Q decim = 4 ->64M/4= 16MS/sec ,I&Q -> 32MB/sec. That is within the range of my USB speed. In the make_format() function I set the width = 8, shift = 8. Then the