The problem was in the gain level- I hadn’t realized the default gain in
the mult_ versions is at 20 compared to midvalue for the standard
versions. My signal was saturating the A/D’s at this value of gain.
Reducing the gain eliminated the problem.
eric
Eric H. Matlis, Ph.D.
Aerospace & Mechanical Engineering Dept.
120 Hessert Center for Aerospace Research
University of Notre Dame
Notre Dame, IN 46556-5684
Phone: (574) 631-6054
Fax: (574) 631-8355