Re: [Discuss-gnuradio] GSoC 2013: Vector-network analyzer
On 17/04/13 20:34, ikjtel wrote: There was recently an article in QEX (ARRL's print mag for experimenters) about building one's own VNA using an SDR.Don't have the exact issue in hand, but should be locatable by doing a search for "QEX vector network analyzer" Best Regards Max ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio The qvna software is at http://dl2stg.de/stefan/hiqsdr/qvna.html and designed to work with the HiQSDR transceiver at hiqsdr.com and a Return Loss Bridge that's been designed for it. I haven't used the RLB but I have used qvna to check my HF quad using the HiQSDR. N2ADR also includes a python version of qvna in his quisk software at http://www.james.ahlstrom.name/quisk/index.html The HiQSDR by DB1CC is based on Jim's design that was published in QEX and also desribed on http://www.james.ahlstrom.name/transceiver/ 73 ... Sid. -- Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support Senior Staff Specialist, Cricket Coach Microsoft Windows Free Zone - Linux used for all Computing Tasks ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] GSoC 2013: Vector-network analyzer
There was recently an article in QEX (ARRL's print mag for experimenters) about building one's own VNA using an SDR. Don't have the exact issue in hand, but should be locatable by doing a search for "QEX vector network analyzer" Best Regards Max ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Re: [Discuss-gnuradio] GSoC 2013: Vector-network analyzer
Hi Marcelo! Nice to see you're interested in this project. I recommend you discuss the detailed questions with the mentor for this project, Edmar Gurjao (is there a reason Brazilian people like network analyzers? *g* ). Also, in order to write a good proposal, you should probably have a look at GNU Radio (so you can figure out a good schedule and deliverables). In your specific case, it's probably also good to check out the tools that aren't part of GNU Radio, such as GQRX. Perhaps there's something on CGRAN. Cheers, MB On Tue, Apr 16, 2013 at 04:59:48PM -0300, Marcelo Galvão Póvoa wrote: > Greetings! > > My name is Marcelo Galvão Póvoa, a Computer Science graduate student > from UNICAMP, Brazil. I am interested in participating in GSoC and the > "Vector-network analyzer" project idea caught my attention. As some > background about my experience, I worked as intern in a small > Design House company that develops DTV demodulators using hardware and > software via DSP solutions. I learned from experience how a signal > analyzer can be useful in the development process. :) > > I am not familiar with GNU Radio, but hopefully I know about the main > theoretical concepts that go along with it. I have just built the > platform and I will take at look at the tutorials. On the other hand, > I can code in both C++ and Python but have never used Qt, but I guess > it's not hard to learn. > > I have a few questions about the project: > - Is there any vector analyzer tool (maybe external) already available > to be used with GNU Radio? > - I see that some wanted features are listed on the wiki, but is the > project supposed to be based on some reference design? > - Is it feasible to do this project without RF hardware but just via > simulation? Of course, someone else could also perform tests in a real > scenario and report back. > > I am looking forward to your reply. -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Research Associate Kaiserstraße 12 Building 05.01 76131 Karlsruhe Phone: +49 721 608-43790 Fax: +49 721 608-46071 www.cel.kit.edu KIT -- University of the State of Baden-Württemberg and National Laboratory of the Helmholtz Association pgpIaWUANeQp8.pgp Description: PGP signature ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
[Discuss-gnuradio] GSoC 2013: Vector-network analyzer
Greetings! My name is Marcelo Galvão Póvoa, a Computer Science graduate student from UNICAMP, Brazil. I am interested in participating in GSoC and the "Vector-network analyzer" project idea caught my attention. As some background about my experience, I worked as intern in a small Design House company that develops DTV demodulators using hardware and software via DSP solutions. I learned from experience how a signal analyzer can be useful in the development process. :) I am not familiar with GNU Radio, but hopefully I know about the main theoretical concepts that go along with it. I have just built the platform and I will take at look at the tutorials. On the other hand, I can code in both C++ and Python but have never used Qt, but I guess it's not hard to learn. I have a few questions about the project: - Is there any vector analyzer tool (maybe external) already available to be used with GNU Radio? - I see that some wanted features are listed on the wiki, but is the project supposed to be based on some reference design? - Is it feasible to do this project without RF hardware but just via simulation? Of course, someone else could also perform tests in a real scenario and report back. I am looking forward to your reply. Marcelo ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
