22 1000 X-Series Oscilloscopes Service Guide
2 Testing Performance
3 Set up the oscilloscope.
a Adjust the horizontal scale to 200.0 us/div.
b Set the Volts/Div setting to the value in the first line and column of Table 5.
c Adjust the channel’s vertical position knob to place the baseline (reference
level) at 0.5 major division from the bottom of the display.
Table 5 Settings Used to Verify DC Vertical Gain Accuracy
Volts/Div Setting Oscilloscope Calibrator
Setting
Test Limits
10 V/Div 70 V 67.6 V to 72.4 V
5 V/Div 35 V 33.8 V to 36.2 V
2 V/Div 14 V 13.52 V to 14.48 V
1V/Div 7V 6.76V to 7.24V
500 mV/Div 3.5 V 3.38 V to 3.62 V
200 mV/Div 1.4 V 1.352 V to 1.448 V
100 mV/Div 700 mV 676 mV to 724 mV
50 mV/Div 350 mV 338 mV to 362 mV
20 mV/Div 140 mV 135.2 mV to 144.8 mV
10 mV/Div 70 mV 67.6 mV to 72.4 mV
5mV/Div
1
35 mV 33.4 mV to 36.6 mV
2mV/Div
1
14 mV 13.36 mV to 14.64 mV
1mV/Div
1
7 mV 6.68 mV to 7.32 mV
0.5 mV/Div
1, 2
3.5mV 3.18mV to 3.82mV
1
A blocking capacitor is required at this range to reduce noise. See “Use a Blocking Capacitor to
Reduce Noise" on page 25.
2
Full scale is defined as 8 mV on the 500 uV/div range. Full scale on all other ranges is defined as 8
divisions times the V/div setting.
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