[Discuss-gnuradio] Re: top-posting considered harmful

2007-03-08 Thread Patrick Strasser
Eric Blossom wrote on 2007-03-07 16:11: Folks, please trim your posts. Do not top post like I just did (to illustrate what I'm talking about). Sometimes I think to myself: No, you don't need to send me back all that quoted text, I know it already. I call that Tofu: Top-quote, full text under

[Discuss-gnuradio] strange behavoir of the mux, and signal limt =2mhz!!!

2007-03-08 Thread anmar
Hi, we have this code below, and we want to get two signals from one BNC connector. with this code we can get two signals out of one output but not higher then 2mhz. the mux is really strange if the value of the mux 8, 9, A, C we get an output. Why is 2mhz the limit the interp is low, are some othe

[Discuss-gnuradio] Regarding ADCs DACs

2007-03-08 Thread Kuntal Majumdar
Hello, Just one basic doubt. How do I send and receive data between the computer and the ADC-DACs on the USRP? I mean, how do I read that data from the board or send to it using software? Please clear this one in detail. Thanks a lot. Regards, Kuntal __

[Discuss-gnuradio] PS3 success with audio

2007-03-08 Thread Robert McGwier
I literally have absolutely no idea what I have done, BUT, snd_ps3 is now found by PS3 running Yellow Dog Linux. At some time in the past two weeks while I was running around, I did an update (after Terra finally got my password fixed) and the sound system is found. I compiled and in

[Discuss-gnuradio] Re: PS3 success with audio

2007-03-08 Thread Robert McGwier
ADDENDUM AND NOTE FOR ALL!! make check works partially on YDL where it would not even start on FC5. The RS Codec tests pass, the vmcircbuf tests pass and then a string of failures end make check (all with segment violations). This probably gives a clue. pa_devs identifies SPDIF: PS3PF as

[Discuss-gnuradio] AMD Quad-core this fall

2007-03-08 Thread Eric Blossom
http://www.eetimes.com/showArticle.jhtml?articleID=197700269&printable=true Eric ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] AMD Quad-core this fall

2007-03-08 Thread Marcus Leech
Eric Blossom wrote: http://www.eetimes.com/showArticle.jhtml?articleID=197700269&printable=true Eric I have an Intel dual-core system on the way. An AMD quad-core will have to wait for about 18 months for me :-( The R600 graphics unit looks really interesting, too. 320 Multiply-Ac

RE: [Discuss-gnuradio] PS3 success with audio

2007-03-08 Thread Tom Rondeau
> -Original Message- > From: [EMAIL PROTECTED] [mailto:discuss- > > I literally have absolutely no idea what I have done, BUT, snd_ps3 > is now found by PS3 running Yellow Dog Linux. At some time in the > past two weeks while I was running around, I did an update (after Terra >

Re: [Discuss-gnuradio] PS3 success with audio

2007-03-08 Thread Eric Blossom
On Thu, Mar 08, 2007 at 11:55:05AM -0500, Tom Rondeau wrote: > > -Original Message- > > From: [EMAIL PROTECTED] [mailto:discuss- > > > > I literally have absolutely no idea what I have done, BUT, snd_ps3 > > is now found by PS3 running Yellow Dog Linux. At some time in the > > p

RE: [Discuss-gnuradio] RE: USRP + case = electrical short?? EXPLAINED

2007-03-08 Thread Weber, Michael J. (US SSA)
This thread related to the USRP version 4.2, 10-2-2006. As you point out, the v3 boards have a smaller heatsink pad. Best, Mike -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brett Trotter Sent: Wednesday, March 07, 2007 5:52 AM To: Discuss-gnuradio@gnu

Re: [Discuss-gnuradio] Two ADCs, one signal

2007-03-08 Thread Brian Padalino
On 3/8/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: Fascinating subject. I think I'd very much like to experiment with multiple ADCs and different clockings... It becomes a very tricky subject and is very susceptible to clocking and phase noise. If one puts an ADC at 0, 90, 180 and 270 de

[Discuss-gnuradio] PlayStation 3 Installation Instructions

2007-03-08 Thread Tom Rondeau
I just put a link under BuildGuide for how to install FC6 and GNU Radio on a PlayStation 3. Following these steps, the example script mentioned at the bottom of the page should work to start sending signal from the USRP. Tom ___ Discuss-gnuradio mail

Re: [Discuss-gnuradio] PlayStation 3 Installation Instructions

2007-03-08 Thread Trond Danielsen
2007/3/8, Tom Rondeau <[EMAIL PROTECTED]>: I just put a link under BuildGuide for how to install FC6 and GNU Radio on a PlayStation 3. Following these steps, the example script mentioned at the bottom of the page should work to start sending signal from the USRP. I just read your instructions

RE: [Discuss-gnuradio] PlayStation 3 Installation Instructions

2007-03-08 Thread Tom Rondeau
> -Original Message- > From: [EMAIL PROTECTED] [mailto:discuss- > > 2007/3/8, Tom Rondeau <[EMAIL PROTECTED]>: > > I just put a link under BuildGuide for how to install FC6 and GNU Radio > on a > > PlayStation 3. Following these steps, the example script mentioned at > the > > bottom of th

Re: [Discuss-gnuradio] regarding fft-ifft processing

2007-03-08 Thread Roshan Baliga
Brett L. Trotter wrote: That Cyclone FPGA was awfully full last I checked- I don't know enough about this type of thing to say it wouldn't fit, but it seems at least possible that the amount of real-estate required to do the FFT might be more than the current generation USRP could handle? On th

Re: [Discuss-gnuradio] regarding fft-ifft processing

2007-03-08 Thread Brian Padalino
On 3/8/07, Roshan Baliga <[EMAIL PROTECTED]> wrote: On that note, does anyone how much of the Cyclone we're currently using? This whole discussion may be moot for the time being... There's some space in there if you disable some portions of the RX chain. Plus there is a good amount of RAM stil

[Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Hans Glitsch
Hello, I want to change the clock on the usrp. Anyone know of a mail order place that would have the right kind of vctcxo at 38.4MHz ? I tried Digikey and Mouser. no luck. Thanks, Hans___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http:/

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Roshan Baliga
Hans Glitsch wrote: I want to change the clock on the usrp. Anyone know of a mail order place that would have the right kind of vctcxo at 38.4MHz ? I tried Digikey and Mouser. no luck. Based on the common frequency table here: http://www.cardinalxtal.com/common-frequencies.htm it doesn't l

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Eric Blossom
On Thu, Mar 08, 2007 at 02:44:12PM -0800, Hans Glitsch wrote: > Hello, > > I want to change the clock on the usrp. Anyone know of a mail order > place that would have the right kind of vctcxo at 38.4MHz ? I tried > Digikey and Mouser. no luck. > > Thanks, > Hans Not sure about where to get them

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Hans Glitsch
Hi, Thanks for the replies. Yes, I have had it working with the rational resampler, but I'm trying to eliminate that block. I'm eventually going to use a very low power, fanless pc to run the software, so we're trying to shave off as many cycles as possible. I attached an external signal ge

[Discuss-gnuradio] gr_noise_source_X( ) only negative seeds?

2007-03-08 Thread Tim Meehan
Hi All When seeded with a positive number gr_noise_source_X seems to always return the same sequence. i.e. call gr_noise_source_f(gr.GAUSSIAN,1,Z) where Z > 0 the sequence is always the same. Called with a negative seed (Z < 0 ) it behaves as I would expect. Am I missing something? I think t

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Eric Blossom
On Thu, Mar 08, 2007 at 03:54:15PM -0800, Hans Glitsch wrote: > Hi, > Thanks for the replies. > > Yes, I have had it working with the rational resampler, but I'm trying to > eliminate that block. I'm eventually going to use a very low power, > fanless pc to run the software, so we're trying to

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Hans Glitsch
Eric wrote: Have you tried using oprofile to determine where the hot-spots are in the code? http://oprofile.sf.net In some of our other code we've noticed that substantial time is being consumed computing sin and cos in some NCOs. That's one of the next places we're looking at addressing wit

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Eric Blossom
On Thu, Mar 08, 2007 at 04:39:09PM -0800, Hans Glitsch wrote: > > >Eric wrote: > > > >Have you tried using oprofile to determine where the hot-spots are in > >the code? http://oprofile.sf.net > > > >In some of our other code we've noticed that substantial time is being > >consumed computing sin a

Re: [Discuss-gnuradio] PS3 success with audio

2007-03-08 Thread Robert McGwier
We definitely have work to do. Portaudio is the ONLY thing I can get to work the PS3 sound system but not in gnuradio. The pieces in the bin directory for testing portaudio that open the sink only work. I can produce tones, hundreds of tones, do latency tests, etc. gr-audio-XXX fails in a

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Roshan Baliga
Hans Glitsch wrote: I just found this one on Digikey: http://www.abracon.com/Oscillators/ASVTX11.pdf I'm not an experienced hardware guy, but it looks like it would work in the usrp. Please tell me if I'm wrong. I believe the USRP needs a 3 Vpp clock in, and this TCXO only outputs 0.8 Vpp.

Re: [Discuss-gnuradio] PS3 success with audio

2007-03-08 Thread Eric Blossom
On Thu, Mar 08, 2007 at 08:15:47PM -0500, Robert McGwier wrote: > We definitely have work to do. Portaudio is the ONLY thing I can get to > work the PS3 sound system but not in gnuradio. > > The pieces in the bin directory for testing portaudio that open the sink > only work. I can produce ton

Re: [Discuss-gnuradio] changing the vctcxo

2007-03-08 Thread Matt Ettus
Roshan Baliga wrote: Hans Glitsch wrote: I just found this one on Digikey: http://www.abracon.com/Oscillators/ASVTX11.pdf I'm not an experienced hardware guy, but it looks like it would work in the usrp. Please tell me if I'm wrong. I believe the USRP needs a 3 Vpp clock in, and this TCXO

[Discuss-gnuradio] CPFSK

2007-03-08 Thread Andrew Buck
Hi, I'm trying to demodulate and decode a CPFSK signal generated by a non-gnuradio source. I'm new to gnuradio and RF in general. I know that GMSK is a form of CPFSK, so I started by trying that, but I haven't had success. I noticed that the gmsk code is in the limbo directory, so I'm not sure

[Discuss-gnuradio] Problem compiling sdcc package

2007-03-08 Thread xrin oscar
Hi, I try to compile sdcc package and i met with the following problem. Help needed. Thanks. make[1]: Leaving directory '/home/user/BaselineComponents/sdcc/link' make[1]: Entering directory '/home/user/BaselineComponents/sdcc/as/hc08' make[1]: Leaving directory '/home/user/BaselineComponents/sdc

Re: [Discuss-gnuradio] Simultaneous RX/TX using RFX2400 Boards.

2007-03-08 Thread Tarun Tiwari
Hi David, Thank you for you reply. On 3/7/07, David Scaperoth <[EMAIL PROTECTED]> wrote: From your description above, you are transmitting whatever you receive (is this true?). Yes, its true and I am interested in transmitting the amplified signal which I receive on the RX2 port. I'm gu

Re: [Discuss-gnuradio] Problem compiling sdcc package

2007-03-08 Thread Trond Danielsen
2007/3/9, xrin oscar <[EMAIL PROTECTED]>: Hi, I try to compile sdcc package and i met with the following problem. Help needed. Thanks. Hi, I have not seen that error before, but may I ask which distribution and version of sdcc you are using? -- Trond Danielsen __