Agilent Technologies Infiniium 90000 A, Руководство по обслуживанию

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Chapter 3: Testing Performance
DC Gain Accuracy Test
34
15
Calculate the offset gain using the following expression and record this value in the
DC Gain Test section of the Performance Test Record.
For vertical sensitivities of less than 1 volt use the following equation:
For vertical sensitivity = 1 V use the following equation:
DCGainError =
Δ
V
out
Δ
V
in
-------------- =
V
scope +
– V
scope -
V
DMM +
– V
DMM -
----------------------------------------- 1 –
 
 
75
⋅


DCGainError =
Δ
V
out
Δ
V
in
-------------- =
V
scope +
– V
scope -
V
DMM +
– V
DMM -
----------------------------------------- 1 –


60
⋅

