User guide

The list contains all predefined standards, including user-defined standards.
User-defined standards are preceded by an asterisk (*).
3
Select one of the predefined standards.
or
Press Browse... to load your own standard, stored in a text file.
This opens a dialog box which allows you to load a file. By default, the browser
searches for files with the suffix .jcs, but you can access any file.
N O T E
The required file format is described in detail in “User-Defined Standards” on page
452.
4
Press OK to load the data temporarily. Use this option, for example, if the jitter-
frequency list of your standard is still subject to change.
or
Press Apply to Predefined Standards to load the data and add the standard to
the list of predefined standards. For details see “Adding a User-Defined
Standard” on page 461.
If you wish to increase the stress on the device under test, you can enter a
Margin.
Jitter Tolerance Tests 8
Agilent J-BERT N4903B High-Performance Serial BERT 455