AMMRL: Imaginary Noise spikes

From: Derrick C Kaseman <dckaseman_at_ucdavis.edu>
Date: Wed, 23 Nov 2022 19:17:07 +0000

Hi all,

I have a 400 MHz system that I am getting random noise spikes on only the
imaginary channel when running a simple 1H (no decoupling). I was wondering
if anyone had ever encountered anything like this and if so, what the culprit
was. I don't believe that the probe is arcing, because I normally see the
spike in both the real and imaginary data. I have attached a picture of the
FID, separated into real and imaginary components in case anyone is curious.

Thanks,
Derrick

Dr. Derrick C. Kaseman
Technical Director of the NMR Facility
dckaseman_at_ucdavis.edu<mailto:dckaseman_at_ucdavis.edu>
530-752-7794<tel:+15307527794>
Use our Facility<https://www.nmr.ucdavis.edu/frequently-asked-questions#Training>


Received on Wed Nov 23 2022 - 09:17:19 MST