JDS Uniphase CellAdvisor JD780A Series, User Manual

Page: 440 / 592

JD780A Series Analyzers
440
Using TD-SCDMA Signal Analyzer
Measurement example
Figure 218 Code power measurement with TD-SCDMA signal analyzer
NOTE
You can use the LIMIT hot key to analyze your measurements with the user-definable
limit and Pass/Fail indication for the Max Inactive. See
“Setting limit for modulation tests”
on page 442 for more information.
Code error
Setting measure setup
After configuring test parameters as described in the
“Configuring test parameters” on page 415, you
can continue your measurement. The measurement settings can be saved and recalled as a file. You
can also use JDViewer, PC application software to configure a measure setup, save as a file, and load
the file on to the instrument.
Procedure
1.
Press the MEASURE SETUP hot key.
2.
Toggle the Scramble soft key and select Auto or Manual to set the scramble code automatically
or manually.
3.
Press the Slot Number soft key, and then select the time slot number to be displayed: TS0 , TS1 ,
TS2 , TS3 , TS4 , TS5 , or TS6 .
4.
Press the Spread Factor soft key, and then select the spread factor option: DL Auto for auto
detection of downlink, UL Auto for auto detection of uplink, SF1 , SF2 , SF4 , SF8 , or SF16
5.
To set the number of maximum users, complete the following steps:
a. Press the Max Users soft key.
b. Enter a value up to 16 by using the numeric keys.
c. Press the Enter soft key.
6.
Optional . Press the Miscellaneous soft key, and then do the following(s) as needed:
–
To set the delay, complete the following steps:
a. Press the Delay soft key to set the amount of delay in µs.
b. Enter a value by using the numeric keys. You can also use the rotary knob.