Re: [Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 28, Issue 18

2005-03-22 Thread Matt Ettus
> Hye all > > Iam also a hardware engineer and work on FPGA and design > with Digital fundamentals and code on verilog , can u all > tell me where can i fit into this discussion and how can i > help. > > Regards > > Sarvamiti Welcome. All of the code and designs for the USRP are available at htt

[Discuss-gnuradio] Re: Directions..

2005-03-22 Thread Matt Ettus
> I have been successfully using the USRP to digitize NTSC video. However I > need to change > the system operation freq to 27 MHz. I am thinking of using cyclone's PLL > for generating the > 27 MHz clock for internal operation. But the problem is really feeding the > 27 MHz clock > to the ADC. I

Re: [Discuss-gnuradio] Query on GPS

2005-03-22 Thread Jesus Cea
Krzysztof Kamieniecki wrote: Right now it looks like my software does to the demodulation and calculation of position into xyz coordinates, I'm still looking for enough raw data to be able to test the full position calculation. Hi. I'm a newbie in this list, but I'm a telecom engineer and have ex

Re: [Discuss-gnuradio] Query on GPS

2005-03-22 Thread Krzysztof Kamieniecki
This is the GPS standard http://www.navcen.uscg.gov/gps/geninfo/ICD-GPS-200C%20with%20IRNs%2012345.pdf There are more links to interesting GPS documents at http://comsec.com/wiki?GlobalPositioningSystem Which is part of the GNURadio Wiki http://comsec.com/wiki Quoting Jesus Cea <[EMAIL PROTECTED

Re: [Discuss-gnuradio] interpolation and output level + missing Tx_check

2005-03-22 Thread Javs
Greetings, I updated my code from CVS yesterday and the tx_check.py was missing in the gnuradio-examples. Was this removed ? I am still wresting with the issues below. This time I tried usrp_siggen.py and it fails the first time giving: [EMAIL PROTECTED] usrp]$ ./usrp_siggen.py usrp: found usr

[Discuss-gnuradio] FPGA RA spectrometer

2005-03-22 Thread Marcus Leech
Just saw this on my SARA (Society of Amateur Radio Astronomers) list: http://arxiv.org/abs/astro-ph/0503067 ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] interpolation and output level + missing Tx_check

2005-03-22 Thread Eric Blossom
On Tue, Mar 22, 2005 at 07:04:13AM -0800, Javs wrote: > Greetings, > > I updated my code from CVS yesterday and the > tx_check.py was missing in the gnuradio-examples. Was > this removed ? Yep. Try usrp_siggen.py instead. > I am still wresting with the issues below. This time I > tried usrp_si

[Discuss-gnuradio] Re: interpolation and output level + missing Tx_check

2005-03-22 Thread Javs
Note: forwarded message attached. __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --- Begin Message --- Sure. I am running Redhat 4.0 on a linux machine with a VIA EBC-C3 733MHz MMX compatibl

Re: [Discuss-gnuradio] Physical layer for packet-based communication

2005-03-22 Thread David Young
Rahul, Sorry for the delay in responding. Answering your questions in reverse order: On Thu, Feb 10, 2005 at 04:37:12PM -0500, Rahul Dhar wrote: > Given 802.11's tight timing requirements (discussed > briefly earlier in this thread), can the CPU schedule and send packets > fast enough? I think

[Discuss-gnuradio] A question about the synchronization

2005-03-22 Thread Sachi
Hi Eric and Matt When the input IF signal passes quadrature downconverter, does any kind of carrier and symbol synchronization is performed in the FPGA code? If so, which algorithm did you use? Thanks Sachi __ Do you Yahoo!? Yahoo! Small Busin

[Discuss-gnuradio] Microtune 4937-based RF front end

2005-03-22 Thread Graham Stead
Hello everyone, We'd like to make some off-air HDTV measurements, but realize the Microtune 4937-based RF front-ends are no longer available. We've tried eBay and parts brokers. We've looked at alternative RF front-ends, but the IF output is usually too high for the A/D card. We could patch toge

Re: [Discuss-gnuradio] Microtune 4937-based RF front end

2005-03-22 Thread Matt Ettus
Quoting Graham Stead <[EMAIL PROTECTED]>: > Hello everyone, > > We'd like to make some off-air HDTV measurements, but realize the Microtune > 4937-based RF front-ends are no longer available. > > We've tried eBay and parts brokers. We've looked at alternative RF > front-ends, but the IF output is