[Discuss-gnuradio] Audio Source and Sink, mostly in GRC

2010-03-17 Thread Art Botterell
Hi All - Noob here, but I've spent a number of hours googling and fiddling this to no avail, so I'll risk bringing it to the list: I just did a fresh install of Karmic on an i5 Intel box and installed 3.2.2. Starting out at baseband I have an on-board Intel sound plus two USB audio devices (o

Re: [Discuss-gnuradio] Daughterboard clocking on USRP2

2010-03-17 Thread Jason Abele
On Tue, Mar 16, 2010 at 04:34:44PM -0500, John Orlando wrote: > Hi all, > Just looking through the WBX daughterboard code in the latest git repo > for adding support for the USRP2 (which can be found at > usrp2/firmware/lib/). I noticed that in adf4350.c, there is a #define > for INPUT_REF_FREQ th

Re: [Discuss-gnuradio] GNU Radio for TE320 Series Xilinx

2010-03-17 Thread Makmur Hidayat
>2010/3/2 Johnathan Corgan jcor...@corganenterprises.com >Yes. You will need to learn the GNU Radio architecture, then write a >custom C++ source block that knows how to read samples from your TE320 >board. Yes, you will need to know C++. >I suggest you start using GRC as a way of learning the G

[Discuss-gnuradio] Questions about WBX daugtherboard

2010-03-17 Thread Damien Serant
Hi everybody, I received few days ago my new URSP2 with the WBX daugtherboard and i have some questions. First there is two input: one labeled Tx/Rx and the other Rx2. Why is there two Rx input and which one i have to use for reception ? Second, for my first test i plotted the spectrum of receiv

[Discuss-gnuradio] Is gr-gpio broken?

2010-03-17 Thread Drew Read
Hi all, Am I doing something stupid or should I raise this as an issue? I've checked out gnuradio version '3.3git-656-g18ecca1b' from git. Configured and built it. And when I try to run gpio_usrp_fft.py I get this error: Traceback (most recent call last):   File "/usr/local/bin/gpio_usrp_fft

Re: [Discuss-gnuradio] AFC (Automatic Frequency Control) FM demo python and GRC scripts

2010-03-17 Thread Richard Clarke
Very, very useful, thanks for sharing Martin. Cheers Richard On 17 March 2010 14:40, Martin DvH wrote: > Hi all, > > I wrote two gnuradio AFC (Automatic Frequency Control) demos > > This AFC technique can come in handy when your tuning is critical and > there is a frequency offset or doppler sh

Re: [Discuss-gnuradio] USRP Under Flow

2010-03-17 Thread Jeff Brower
Halidziya- > My beagle board is clone and it is working in 200MHZ , but when I run the > program > it doesn't consumes to much CPU time A Beagle board clone? The Beagle board already costs less than its component BOM. Did you alter the design in some way? Also, why only 200 MHz? That's way

[Discuss-gnuradio] Re: MA (Memory Acceleration) and SR-DVB in Karlsruhe, @ WSR10

2010-03-17 Thread Achilleas Anastasopoulos
John and others, For anyone who wants to take a crack at it, I have committed a minor update on gr-trellis, where I have re-factored the main Viterbi function on the file viterbi.cc and made a template out of it. Anyone who wants to attempt an optimization of the VA using MA (or any other techni

[Discuss-gnuradio] test

2010-03-17 Thread Achilleas Anastasopoulos
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[Discuss-gnuradio] sampling jitter

2010-03-17 Thread Per Zetterberg
Dear All, I have been experimenting with transmitting a tone between two USRP2s equipped with basic daughterboards. The daughterboards are tuned to 20MHz, and the transmitted signal is generated in base-band as a cisoid with 5MHz frequency. The decimation and interpolation rate is 25MHz in bo

[Discuss-gnuradio] recommendations for sound cards?

2010-03-17 Thread L. Aaron Kaplan
Hi! Since there seem to be some issues with sample rate etc are there any recommendations for sound cards for Linux? Best, a. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] USRP Under Flow

2010-03-17 Thread halidziya yerebakan
My beagle board is clone and it is working in 200MHZ , but when I run the program it doesn't consumes to much CPU time On Tue, Mar 16, 2010 at 9:59 PM, Jeff Brower wrote: > Philip- > > > On 03/16/2010 06:51 AM, halidziya yerebakan wrote: > >> Hi all; > >> > >> Thanks to Mr. Balister I ru