Chapter 6 141
Calibration
E. Calibration When the 7-mm Port of the 42942A is Extended
6. Calibration
E. Calibration When the 7-mm Port of the 42942A is
Extended
Perform the following calibration when the 7-mm port of a 42942A connected to the
Agilent 4294A is extended with a one-port configuration and the device is connected to the
cable’s end with a minimal connection.
Figure 6-5 Calibration When the 7-mm Port of the 42942A is Extended
Step 1. Make sure that the adapter selection is set to “42942A Terminal Adapter (
7mm 42942A).”
See “Adapter Setting” on page 67 for adapter selection.
Step 2. Perform the user calibration at the other end of the extended 7-mm port of the 42942A
Terminal Adapter. You can use either the calibration kit supplied by Agilent Technologies
or a user-defined calibration kit. See “User Calibration” on page 147 for the user
calibration procedure.
Step 3. Set the port extension value in electrical length or delay time, which is equivalent to the
electrical length between the user calibration plane and the device contacts of the test
fixture, in accordance with “Port Extension Compensation” on page 150.
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