Keysight Technologies Infiniium 90000A Series, Руководство по обслуживанию

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Testing Performance
3
90000 A-Series Service Guide 27
14
Calculate the offset gain error using the following expressions and record the
value in the Offset Accuracy—Offset Gain Test section of the Performance Test
Record. The offset gain error is the greater (maximum magnitude) of either:
or
15
Repeat steps 3 through 14 for the remaining vertical scale settings for the
channel under test. Record the results in the Offset Accuracy—Offset Gain Test
section of the Performance Test Record. For each measurement, set both the
Aux Out voltage (V
Aux Out
) and the Channel offset voltage to the positive V
Cal
Out
value and then to the negative V
Cal Out
value in the “V
Cal Out
Setting” column
of the Offset Accuracy—Offset Gain Test table in the Performance Test Record
for each of the vertical scale settings.
16
Move the Tee connector to the next channel input and repeat steps 4 to 14 for
channels 2 to 4.
V
scope +
– V
scope 0
V
DMM +
– V
DMM 0
--------------------------------------------- 1
–
 
 
 
100
V
scope -
– V
scope 0
V
DMM -
– V
DMM 0
------------------------------------------- 1
–
 
 
 
100