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https://github.com/nepeee/limeSNA

Scalar Network Analyser for the LimeSDR mini
https://github.com/nepeee/limeSNA

limesdr limesdr-mini lms7002 network-analyzer

Last synced: about 2 months ago
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Scalar Network Analyser for the LimeSDR mini

Host: GitHub
URL: https://github.com/nepeee/limeSNA
Owner: nepeee
License: apache-2.0
Created: 2019-03-18T21:31:39.000Z (over 5 years ago)
Default Branch: master
Last Pushed: 2019-12-21T00:11:14.000Z (over 4 years ago)
Last Synced: 2024-04-08T20:14:14.891Z (5 months ago)
Topics: limesdr, limesdr-mini, lms7002, network-analyzer
Language: JavaScript
Homepage:
Size: 152 KB
Stars: 50
Watchers: 4
Forks: 6
Open Issues: 1
Metadata Files:
- Readme: README.md
- License: LICENSE

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README

# limeSNA
This is a Scalar Network Analyzer program for the LimeSDR mini.
The python code is based on the pyLMS7002Soapy SNA example. I optimized the original code to improve the speed and added a html/javascript based GUI to make it easier to use.
For a 400-500MHz sweep with 200 data points(10 point/5MHz), the sweep time is about 17sec. The slowest part of the code currently is the tx/rx tuning(sdr.txRfFreq = xy).

#### Measuring a diy filter (17sec sweep)
![Demo image](https://github.com/nepeee/limeSNA/blob/master/demo.png)
#### Measuring a dual band monopole antenna (73sec sweep)
![Demo image2](https://github.com/nepeee/limeSNA/blob/master/dualMonoAnt.png)

Dependencies
- pyLMS7002Soapy Python package: https://github.com/myriadrf/pyLMS7002Soapy
- numpy (pip)
- scipy (pip)
- flask (pip)
- flask_socketio (pip)
- gevent (pip)
- gevent-websocket (pip)

How to use:

Install all the dependencies and run the code from a terminal with the following command:

python sna.py

After the radio is ready to use, the program starts a new web browser with the UI. Press the run button to start the frequeny sweep. For relative("calibrated") measurements wait a full sweep and then press the "Set relative" button.