Filter
Top Products
33
Chapter 2, Making Measurements
Code Domain Timing
Steps 1 Connect the equipment as shown in figure 12.
2 In the main menu, enter the Base Station Channel number for the transmitter
being tested.
3 Also in the main menu, enter the Base Station PN Offset.
4 Scroll to and select Go to Code Domain Analyzer Screen.
5 Scroll to the Measurement field at the bottom of the display and set to Timing (if
not already selected).
6 Turn on your base station transmitter with the Pilot, Sync, Traffic, and Paging channels
enabled.
7 You should now see a display of relative timing, as shown in figure 13.
8 If you need to re-scale the vertical resolution, select Controls:Marker and then
scroll to the Time/div field and select from settings of 1 to 50 ns.
9 To return to the main menu press SHIFT, then k1, then ENTER.
Figure 13
Notes The Tune Freq displayed at the bottom of the CODE DOMAIN ANALYZER screen
does not indicate the true tuned frequency of the Test System. The tuned
frequency is calculated from your entry for Base Station Channel and can be
viewed at the bottom of the main menu screen. Do not make changes to the
Tune
Freq
setting of the CODE DOMAIN ANALYZER screen.
If you are planning to test Code Domain Power or Code Domain Phase, you can
use the
Measurement field to activate them without having to return to the main
menu.
Refer to the HP 83203B or 83205A Cellular Adapter User’s Guide for more
details on the use of the
CODE DOMAIN ANALYZER screen.