Real-time spectrum analyzer

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Real-time spectrum analyzer

Post by jeanminet » Thu Dec 10, 2015 6:20 pm


We've been working on implementing a spectrum analyzer on the FPGA.
4096-points FFTs are computed in real-time and averaged over-time:

The FPGA has been designed using the tcl-based approach from
You can find the source code at

The Graphical User Interface is written in Python using PyQtGraph (
You can find the source code at


Last edited by jeanminet on Mon Aug 22, 2016 10:03 pm, edited 1 time in total.

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Re: Real-time spectrum analyzer

Post by redpitaya » Mon Dec 14, 2015 12:36 pm


Nice work. ;)

Best, RP

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