Keysight E4990A - Page 74

E4990A Help
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same model number is placed, the adapter setup should be performed
again in order to compensate the electrical length difference.
• 16048G 1m Port Extension Cable
• 16048H 2m Port Extension Cable
• 16334A Test Fixture (Tweezers Contacts)
• 16451B Dielectric Test Fixture
• 42942A Terminal Adapter
• 42941A Impedance Probe Kit
Adapter setup should be performed at an ambient
temperature as close as possible to the temperature in which the
device measurement will actually be made.
If the ambient temperature for your measurement is outside the
range of ±5
o
C from the adapter setup temperature, it is
recommended that you perform adapter setup again at the
appropriate temperature.
It takes a few minutes to complete each setup data
measurement.
For each adapter setup procedure, refer to:
• Adapter Setup Procedure for the 16048G and 16048H
• Adapter Setup Procedure for the 16334A
• Adapter Setup Procedure for the 16451B
• Adapter Setup Procedure for the 42942A
• Adapter Setup Procedure for the 42941A
When you select “No Adapter” (NONE) in adapter selection,
adapter setup cannot be performed.
Adapter setup data can be obtained and saved for each adapter
selection.
Adapter setting (adapter selection and adapter setup data) is not
affected by turning on/of the E4990A or by pressing the Preset
to initialize the instrument settings.
Adapter Setup Procedure for the 16048G and 16048H
When you use the 16048G 1m cable or 16048H 2m cable with another
accessory, only perform the adapter setup for the 16048G or 16048H.
1. Make sure that the 16048G or 16048H is correctly connected to the
four-terminal pair port of the E4990A.