HP HP 8753E, Руководство пользователя, Страница: 253 / 699

the Classes
Note
enter the following label titles, an external keyboard may be used for
convenience.
: . . . .
14. Change the label of the “TRL REFLECT” class to “TRLSHORT.”
15. Change the label of the “TRL LINE OR MATCH” class to “TRLLINE.
16. Change the label of the “TRL THRU” class to
.
the Calibration Kit
18. Press and create a label up to 8 characters long. For this example, enter “TRL
. .
19. To save the newly defined kit nonvolatile memory, press:
. . . . . . . . . . . . :
. . . . . .
Modifying Standards
In order to use the TRL technique, the calibration standards characteristics must be entered
into the analyzer’s user
calibration kit.
This example procedure shows you how to a calibration kit to utilize a set of TRM
(THRU, REFLECT, MATCH) standards. This example TRM kit contains the foliowing:
n
zero length THRU
n
“flush” short for the REFLECT standard (0 second offset)
n
50 ohm termination for the MATCH length line)
Note
Hewlett-Packard strongly recommends that you read product note
before you attempt to modify the standard
The part number of this
product note is 5091-3645E. Although the product note was written for the
HP 8510 family of network analyzers, it also applies to the HP 8753E.
For a discussion on TRL calibration, refer to Calibration” in
Chapter 6, “Application and Operation Concepts.
Modify the Standard
1. Press the following keys to start modifying the standard
2. To select a short, press (In this example the REFLECT standard is a SHORT)
3. Press the following keys:
Measurement Results 531