6- 1
Keysight Electronic Calibration Modules
RF/Microwave Two Port
Reference Guide
6 Replaceable Parts
Description of This Chapter
The following tables contain the replaceable part numbers for ECal options and
accessories. Refer to “Inspecting the ECal Kit” on page 2-1 for the contents of
each kit. To order a part, note the description, Keysight part number, and the
quantity desired. Telephone or send your order to Keysight Technologies. See
“Contacting Keysight” on page 1-23.
N7550A/1/2/3/4/5/6A must be returned to factory for service.
N7550A/1/2A are value line products and can be re-certified and serviced.
But, because the ECal modules are intricately constructed and because of
the resulting cost of re-certification or minor repairs, the re-certification
and repairs can cost more than a new device.
Keysight provides a Utility that can be used to verify that your ECal module
is performing as expected. Refer to “ECal Confidence Check – Basic
Validation of the Calibration” on page 3-11.
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