How to scope the power network?

Thu Apr 19 00:45:23 CEST 2012

Hm, 25mV (need more wire) ;) but it seems like this is the actual waveform...

http://jstsch.com/misc/2012/4/elec/scope_2.png
http://jstsch.com/misc/2012/4/elec/fft_2.png

-- 

Joost Schuttelaar
The Hague, NL

On Apr 19, 2012, at 0:20 , Tony Hardie-Bick wrote:

> hmmmm - try to boost the signal up to 100mV or so (more induction).
> these harmonics look like artefacts of the A-D process.