Spectrum analyzer with a Rigol scope

Here's some code to turn a Rigol oscilloscope into a spectrum analyzer.

You can grab the header file here: rigolScope.py

SR850 lock-in amplifier, with PyVISA

It's a breeze, as always, to connect instruments to Python. This is a PyVISA sub-class that you can use with an SR850 lock-in amplifier.



 Here is how to use these utility functions to measure a noise spectrum with the SR850. (Watch out for the dynamic reserve when making noise measurements!)