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5-18 Performance Verification Rev. D

Figure 5-4 Offset Accuracy Test Setup

Set the output of the external

DC voltage reference source

−

−−

−

1 Volt

. (or

reverse the polarity of the banana jack adapter if the supply does not have

bipolar outputs)

1) Verify that the displayed trace A : Average (1) is on the screen, near the

center horizontal graticule line. If the trace is not visible, modify the

voltage

reference source output

until the trace is within

2 divisions of center.

2) Connect the DMM and record the

voltage reading

in Table 6, column

DMM

3) Disconnect the DMM from the BNC T connector.

4) Press

Clear Sweeps

5) After 10 sweeps, Read off the

DSO Mean parameter

voltage, and

record the

measurement in Table 6, column

Mean

Repeat the test for the other channels, substituting channel controls and input

connector. Record the measurements in Table 6.

Repeat the test the other offset settings –1V and 0V.

Recall

xxxP020.PNL

for Input offset –1V.

Recall

xxxP021.PNL

for Input offset 0V.

Record the measurements in Table 6.

Calculate the

Difference (

∆

∆∆

∆

)

by subtracting the

DMM voltage

reading from

the

DSO mean

voltage reading.

Record the test result in Table 6, and compare the

Difference (

∆

∆∆

∆

)

to the

corresponding limit in the test record.

DC Power Supply

DMM

Brand	LeCroy
Model	Waverunner2 LT374 Series
Category	Test Equipment
Language	English

LeCroy Waverunner2 LT374 Series User Manual

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LeCroy Waverunner2 LT374 Series Specifications

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