Chapter 10
Using CDMA Signal Analyzer
366
JD700B Series User’s Guide
Enter a value between -50 and zero by using the numeric keys to change the value in the
Manual mode.
Press the
Enter
soft key.
5
Toggle the
Q-Paging
soft key between
On
and
Off
to enable or disable the quick page channel
that indicates the power of Quick Page Walsh code 80.
6
Optional
. Go to
SAVE/LOAD > Save
, and then select the save option from the choices available
for your measurement mode. See “Using save” on page 35 for more information.
Measurement example
Figure 217 Code domain power measurement with CDMA signal analyzer
NOTE
You can use the
LIMIT
hot key to analyze your measurements with the user-definable
limit and Pass/Fail indication. See “Setting limit for modulation tests” on page 371 for
more information.
Setting display
You can view your measurement results in a different view option.
Procedure
1
Press the
TRACE/DISPLAY
hard key.
2
Press the
Code Order
soft key, and then select the code order option from the following choices:
Hadamard:
To assign the number based on Walsh code order and display the measured
code power according to the assigned number in sequence.
Bit Reverse:
Code number in binary bit is reversed relative to the Hadamard method.
3
Toggle the
Base Code Length
soft key and select the base Walsh code number:
64
or
128
.
Codogram
The Codogram displays how the code level is changing over time and makes it easier for you to view traffic
channels as they initiate and terminate and to track traffic channels call levels over time. The Codogram
measurements can be saved into an external USB memory so that a post-analysis can be done with the
application software JDViewer.