Agilent Technologies 42A Especificações descarregar pdf (Página 46)

Chapter 3: Testing Performance

To Test the Threshold Accuracy

Test the 0 V User threshold

1 In the Pod Threshold window, select User Defined. In the numeric field,

enter 0 V.

2 On the function generator front panel, enter +0.067 V ±1 mV DC offset.

Use the multimeter to verify the voltage.

The activity indicators for the pod under test should show all data channels and

the J-clock channel at a logic high.

3 Using the Modify down arrow on the function generator, decrease offset

voltage in 1-mV increments until all activity indicators for the pod under

test show the channels at a logic low. Record the function generator

voltage in the performance test record.

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Agilent Technologies 42A Especificações Página 46