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
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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
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