measureVNA_900.py example. Possible to go for frequencies below 240MHz?

[m-anish]

Hi,

These examples that allow usage of the SDR as a VNA look very cool. However, when I try to run the script measureVNA_900M for frequencies below 240M (like for the FM band 88-108), the script bombs out because of this check

  File "/usr/local/lib/python3.6/dist-packages/pyLMS7002Soapy-1.1.0-py3.6.egg/pyLMS7002Soapy/LMS7002_SX.py", line 1048, in setFREQ
    raise ValueError("Not Valid LO Frequency. 240 MHz< F_LO < 3.8 GHz")
ValueError: Not Valid LO Frequency. 240 MHz< F_LO < 3.8 GHz

I was wondering if there is any way to get this script to run for the FM band.

Thanks in advance!

[9600]

I suspect the check is there due to a hardware limit, but @d-grujic could likely confirm.

[m-anish]

Fwiw, there is a discussion thread here, but doesn't look like folks back in 2018 were able to get it to work

https://discourse.myriadrf.org/t/vector-network-analyzer/1038/147