4 - 8
PERFORMANCE TEST
Requirements:
1
-
Verify that the vertical line is parallel to the vertical graticule line in the
center of the screen.
2
-
Verify that the angle with respect to the horizontal graticule lines is 90
°
±
0.5
°
as indicated in the figure.
4.3.5
Trace distortion
This test checks the distortion of a horizontal line in the central 6 x 8 divisions of
the screen.
Test equipment:
None
Settings/procedure:
1
-
Press the AUTOSET key with no input signal applied to the scope.
2
-
Use the CH1 POS control to shift the timebase line vertically across the
center 6 divisions of the screen.
Requirements:
-
Verify that the deviation from the ideal straight line does not exceed 0.03
divisions in the center of screen and 0.1 divisions elsewhere.
Test equipment:
Fluke 5500A mode: wavegen, wave sine (Alternative: function generator PM5136).
MAT3913
≤
0.07div
≤
0.07div
OR
Figure 4.1
Orthogonality