[Discuss-gnuradio] IP3 of Flex 900 boards

2009-04-04 Thread sHabzbd
Hi Everyone: Is there any information on the IP3 of Flex 900 boards. I was not lucky to find any specification documents on the boards. I tried doing some experiments to find out the IP3 and my results show 37.5dBm, that is a good figure. I am not too sure whether it really is so high. If any

Re: [Discuss-gnuradio] Listen to Mp3 via FM broadcast

2009-04-04 Thread Juha Vierinen
Yes, I used it just a couple of weeks ago. I recently went through the code and there where a lot of changes related to gnuradio. Also, sox had changed one of their flags. The new version of my code is here: http://www.mep.fi/viewcvs/*checkout*/fmradio/fmradio.py?revision=1.4&root=cvs juha On Sa

Re: [Discuss-gnuradio] Carrier Phase Recovery

2009-04-04 Thread David I. Emery
On Sat, Apr 04, 2009 at 11:16:42PM +0500, Sajjad Sarwar wrote: > I am doing my UG project on "optimized packet radio" in SDR. Presently, I am > using costas loop block but i think it's recovering only the frequency of > local oscillator but not the phase. Please correct me if i am wrong. Now the >

Re: [Discuss-gnuradio] Listen to Mp3 via FM broadcast

2009-04-04 Thread Matthew Dolloff
Has anyone gotten this to work? I get an error when I try to convert the MP3 to raw. It says: sox: Error writing: this encoding is not supported for this data size Anyone have any ideas? I'm using Ubuntu. I have the mp3 converter support installed. I just can't figure out if there is a missing

[Discuss-gnuradio] Carrier Phase Recovery

2009-04-04 Thread Sajjad Sarwar
I am doing my UG project on "optimized packet radio" in SDR. Presently, I am using costas loop block but i think it's recovering only the frequency of local oscillator but not the phase. Please correct me if i am wrong. Now the problem is i dont want to use dqpsk because it would cause a 3dB loss o

[Discuss-gnuradio] FM receiver

2009-04-04 Thread Tushar Patel
Dear Eric, I would like to try stereo FM receiver with noise reduction technique, like frequency modulation with feedback on GNU radio with USRP I read one another technique of noise removal is AM cancellation do it is possible to implement? Thanks and regards tushar _

Re: [Discuss-gnuradio] Question about latency

2009-04-04 Thread adib_sairi
i have some Question.. in the http://gnuradio.org/trac/wiki/UsrpFAQ/Latency it state that the data from usrp to usb will be send only if it is more than 512byte right? so what happen if my data is less? i try to send data using benchmark_tx and benchmark_rx.. most of the data at the back of my p