Agilent Technologies HP 8642A/B Specifiche Pagina 245

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How to Make a 3 Oscillator Comparison
1.
Measure the phase noise level of the three devices, measuring them
in pairs, and store the results in three separate files. (A vs. B, A vs. C,
and B vs. C). (Refer to Result
Files
in Chapter 3, Graphic Functions if
you need information about storing Result Files.)
2.
Access the 3 Oscillator Comparison display from the main software
level by pressing
Access Graph
Other Keys
Cmputd Outputs
3 Osc. Compar.
NOTE
The system expects to find the results for the 3 Oscillator
Comparison stored in the defined mass storage.
3.
Enter a title for each device in the Oscillator
A,
B, and C rows. (You are
limited to 35 characters in the title.) We suggest using device related
nomenclatures and serial numbers as a method for titling the devices.
4.
Press the
A vs. B File
softkey to select the Result File for the first pair
of devices measured. You are required to select the proper files to be
compared so that device (A) in (A vs. B) is the same as device (A) in
(A vs. C) and so on.
5.
Press
A vs. C File
softkey to select the Result File for the second pair of
devices measured.
6. Press
B vs. C File
softkey to select the Result File for the third pair of
devices measured.
Freeze Files
7.
Press the
freeze the comparison files.
8. Press the
softkey to return to the Oscillator A entry, and
Solve A,B,C
softkey to start the computation.
9. Once the computation is complete, the system stores the three results
in the Result Directory. *ONE OSC* is added to the titles entered for
3 Osc. Compar. 4-21
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