Re: [Discuss-gnuradio] problem of compiling FPGA bin files.

2009-12-03 Thread Matt Ettus
Some people have had success with ISE 11.1, and some have not. I have not tried it yet, and am still on 10.1.03 which is known to work. Early in the new year I'll be moving to 11.1, but if anyone can figure out the problems, that would be much appreciated. Matt On 12/01/2009 05:36 AM, 周亮 wrot

Re: [Discuss-gnuradio] USRP2 firmware + cross compiled GNU Radio question

2009-12-03 Thread Matt Ettus
On 11/29/2009 04:52 AM, Tim Newman wrote: alfa...@aol.com wrote: Hi, I've been working on cross compiling the latest stable GNU Radio release, 3.2.1, onto the TI Davinci DM6446 board using OpenEmbedded as my build environment and Angstrom as my Linux Distro. I've managed to cross compile and d

Re: [Discuss-gnuradio] Limited Rx BW on XCVR2450 daugtherboard

2009-12-03 Thread Matt Ettus
Hanwen, Thanks for confirming the fix. The slope you see with decimation 5 is indeed the fault of the CIC. Because 5 is odd, we can't use a halfband filter, and instead need to use the CIC for all decimation. Decimation or Interpolation which is a multiple of 4 will be the flattest, and m

[Discuss-gnuradio] Require specification for the SMA Connector

2009-12-03 Thread Somya Ajmera
Hi All, I am facing a problem with the type of SMA connector that needed to be connected on the USRP (Rev 4.5) mother board at the J2001 location for the clock input and J2002 for the clock output. It would be really helpful if anybody can provide me the exact specification for this connector and

[Discuss-gnuradio] Flowgraph generates output even when the input exhausts

2009-12-03 Thread Mir M. Ali
Hi, I developed a gnuradio block that takes 2 inputs. Input_01 is coming from a source that repeats and Input_02 is coming from a source that exhausts after a while. The output should only be generated when there is data on both the input lines. I see in my flowgraph that even when the data on inpu

Re: [Discuss-gnuradio] GNUradio debugging and stepping

2009-12-03 Thread Charles Herdt
Hi Jason I've been wanting something like that also, and one of the tricks that have been working well is to dump the streams to a file. If you want to visualize everything in sync, you can interleave samples from different points of the flow graph and sink it to a file. You can use audacity t

[Discuss-gnuradio] GNUradio debugging and stepping

2009-12-03 Thread Jason Uher
All, I was wondering if there was a simple method that allows someone to step through a gnuradio flow graph like you might when using a debugger. I have tried using gdb, but the swig/python stuff gives a whole lot of clutter. I'm not even sure it's possible given the way the gnuradio handles sch

Re: [Discuss-gnuradio] Limited Rx BW on XCVR2450 daugtherboard

2009-12-03 Thread hanwen
2009/12/3 hanwen > I've applied the fix to my receiver. It works. The attachment is the > spectrum before and after the fixing at decimation rate 4 and 5. It shows at > decimation rate of 4 the 3dB bandwidth is really widened from 7.5MHz to > 9.5MHz. > But when decimation rate is 5, the spectrum