I’d say 60 Hz spikes caused by either faulty DC power supply allowing
AC ripple to get through from the AC mains supply, or improper grounding of
the main system components causing current flow and ground loops once again
from the AC mains.
Best regards,
Jon
MR Resources, Inc.
The Leader in NMR Spectrometers, Services and Parts
160 Authority Drive
Fitchburg, MA 01420
<
http://www.mrr.com/>
Tel: 978-345-9011
> From: main_at_ammrl.groups.io On Behalf Of Wendy Breyervia groups.io
> Sent: Wednesday, October 1, 2025 3:41 PM
> To: main_at_ammrl.groups.io
> Subject: Re: [AMMRL] Strange 1H spectrum to share. Care to guess the cause?
Receiver gain set too high?
--
Wendy Breyer, Ph.D.
Director of Instrumentation
Department of Chemistry
Lehigh University
6 E. Packer Ave.
Bethlehem, PA 18015
web216_at_lehigh.edu
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Received on Wed Oct 01 2025 - 12:55:29 MST