Hi Friends:
The 120 Hz spike problem on our Varian INOVA 500 MHz was solved. It was
found with scope that PTS output had 120 Hz modulation caused by a filter
capacitor. The capacitor was replaced.
I really appreciate the following people's suggestions and help.
David Redwine, Dow Chemical
Richard K. Shoemaker, University of Colorado at Boulder
Jerry Hirschinger, Purdue Interdepartmental NMR Facility
Dale Treleaven, LSU at Baton Rouge
Rolf Tschudin, National Institutes of Health
James Breeyear, UVM
Robert Harker, University of Florida
Jincheng Xiong, Dow Chemical
Lamy Chopin, Dow Chemical
Jason Burgess,RTI International
Greg Young, UNC
Josh Kurutz, U. Chicago
Corey Liu, Stanford
David Jones, University of Colorado Health Sciences Center
Perry J. Pellechia, University of South Carolina
Have a good day !
Zhe Zhou, Ph.D.
Research Specialist (NMR)
Analytical Sciences, Dow Chemical Company
2301 N. Brazosport Blvd., B-1219
Freeport, TX 77541
Tel: 979-238-1387
Fax: 979-238-0752
Email: zzhou_at_dow.com
Received on Wed Mar 23 2005 - 17:01:24 MST