Keysight Technologies InfiniiVision 2000, Service Manual

Page: 31 / 86

Testing Performance
2
2000/3000 X-Series Oscilloscopes Service Guide 31
d Press the [Acquire] key.
e Then press the Acq Mode softkey and select Averaging .
f Then press the #Avgs softkey and set it to 64.
Wait a few seconds for the measurement to settle.
4 Add a measurement for the average voltage:
a Press the [Meas] key.
b Press Source ; then, turn the Entry knob (labeled on the front panel) to
select the channel you are testing.
c Press Type: ; then, turn the Entry knob to select Average - Full Screen , and press
Add Measurement .
Table 9 Settings Used to Verify DC Vertical Gain Accuracy, 3000 X-Series Models
Volts/Div Setting Precision Source Setting Test Limits
5 V/Div 35 V 34.2 V to 35.8 V
2 V/Div 14 V 13.68 V to 14.32 V
1 V/Div 7 V 6.84 V to 7.16 V
500 mV/Div 3.5 V 3.42 V to 3.58 V
200 mV/Div 1.4 V 1.368 V to 1.432 V
100 mV/Div 700 mV 684 mV to 716 mV
50 mV/Div 350 mV 342 mV to 358 mV
20 mV/Div 140 mV 136.8 mV to 143.2 mV
10 mV/Div 70 mV 68.4 mV to 71.6 mV
5 mV/Div
1
35 mV 34.2 mV to 35.8 mV
2 mV/Div
1, 2
14 mV 13.36 mV to 14.64 mV
1 mV/Div
1, 2
7 mV 6.36 mV to 7.64 mV
1
A blocking capacitor is required at this range to reduce noise. See “Use a Blocking Capacitor to
Reduce Noise" on page 34.
2
Full scale is defined as 32 mV on the 2 mV/div range and the 1 mV/div range. Full scale on all other
ranges is defined as 8 divisions times the V/div setting.