IOtech 640 - Page 83

Specifications are subject to change without notice.
IOtech 640 and 650 Series
967692 Specifications, Plotted Data 11.b-9
Figure XV. 640 Phase-Matching vs. Frequency, AC-Coupled
640 Phase matching vs Frequency
AC Coupled
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
1 10 100 1,000 10,000 100,000
Frequency (Hz)
Phase Match (degrees)
Comparison of phase differences among four
channels of a representative unit
Spec Limit
Spec Limit
Figure XVI. 650 Phase-Matching vs. Frequency, AC-Coupled
650 Phase matching vs Frequency
AC Coupled
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
1 10 100 1,000 10,000 100,000
Frequency (Hz)
Phase Match (degrees)
Comparison of phase differences among five
channels of a representative unit
Spec Limit
Spec Limit