Re: [Discuss-gnuradio] FSK with RFX2400

2008-07-22 Thread Jonathan Friedman
> Secondally how can I remove the ISM bandpass filter which is by default > there with RFX2400. You have to de-solder it. Optionally (in case you don't want to remove the part, since it will be difficult to reinstall it), you could install a jumper (zero-ohm resistor) or (better) a small 10pF capa

[Discuss-gnuradio] gr.file_sink format...

2008-06-22 Thread Jonathan Friedman
Ok. I know that this question has been asked and answered many times, but my code isn't behaving as I expect so I wanted to run it by the community one more time. gr.file_sink(gr.sizeof_gr_complex, "file.txt") I'm using a usrp to digitize and write the samples to a file which I then import and pr

Re: [Discuss-gnuradio] unknown phase-relation between rx and tx

2008-06-22 Thread Jonathan Friedman
separation distances). What is your ultimate application? Cheers, -Jonathan On Sun, Jun 22, 2008 at 3:58 AM, wolfgang buesser <[EMAIL PROTECTED]> wrote: > > Just to make sure: > > I am using LF RX/TX-boards. > TX and RX are on the subdev (thus using the same AD9862) > &g

Re: [Discuss-gnuradio] unknown phase-relation between rx and tx

2008-06-22 Thread Jonathan Friedman
Unless I misunderstand what you are doing, what you are describing is the coherence error of the system. The long-answer made short is "no". You have to calibrate it out or otherwise live with it. The TX and RX paths of the USRP are derived from separate hardware local oscillators so there will alw

[Discuss-gnuradio] Re: AttributeError: 'BoxSizer' object has no attribute 'AddStretchSpacer' running usrp_fft.py

2008-06-20 Thread Jonathan Friedman
mplemented in version 2.6... such as the addStrechSpace() method of the Sizer class. Cheers, -Jonathan On Fri, Jun 20, 2008 at 1:52 AM, Jonathan Friedman <[EMAIL PROTECTED]> wrote: > > Hello all. I am new to gnuradio. I installed gnuradio on a three computers > (a) an Ubuntu 6.06 P

[Discuss-gnuradio] AttributeError: 'BoxSizer' object has no attribute 'AddStretchSpacer' running usrp_fft.py

2008-06-20 Thread Jonathan Friedman
Hello all. I am new to gnuradio. I installed gnuradio on a three computers (a) an Ubuntu 6.06 P4-mobile laptop, (b) an Ubuntu 8.04 Dell SX270 mini desktop, and (c) an Ubuntu 8.04 Dell Precision 560 dual Xeon-2.4GHz. On each machine I compile from source following the install directions for Ubuntu o

Re: [Discuss-gnuradio] intermediate FI for RFX 2400

2008-06-17 Thread Jonathan Friedman
;s DC = f_BOI_min and baseband's max = f_usrp_max_bandwidth. I'm not sure if that answers your question, but please feel free to post a follow-up. Cheers, -Jonathan Jonathan Friedman Networked and Embedded Systems Lab (NESL) University of California, Los Angeles (UCLA) On Tue, Jun 17,