[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

[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

[Discuss-gnuradio] AMD Quad-core this fall

2007-03-08 Thread Eric Blossom
http://www.eetimes.com/showArticle.jhtml?articleID=197700269printable=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=197700269printable=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

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 past two

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:

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

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 the page should

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

[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

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

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. Are

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

[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

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 shave

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

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 and cos in some

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

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

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 tones,

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

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