Agilent Technologies E4428C, User Manual

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324 Chapter 10
CDMA Digital Modulation
cdma2000 Forward Link Modulation for Receiver Test
Figure 10-10 Forward Fundamental Channel (F-FCH) Setup
Note that the ESG allows you to set the relative channel power for each active channel. To display the
normalized relative channel power after completing the setup, it is recommended that you perform the steps
in
“Adjusting Code Domain Power” on page 324 . Also note that varying the EbNo value on one channel will
affect the EbNo values on all active channels. Refer to “Managing Noise” on page 325 to learn how to make
final noise adjustments.
Adjusting Code Domain Power
The tasks in this procedure build upon the previous procedure. This procedure teaches you how to perform
the following tasks:
• “Scaling to 0 dB” on page 324
• “Setting Equal Channel Powers” on page 325
Scaling to 0 dB
After changing the relative power level for a channel, the ESG automatically scales the total power to 0 dB,
while preserving the relative channel power levels. The displayed power levels remain unchanged so the
user can complete the relative power adjustments. This task teaches you how to update the display to show
the normalized relative channel power for each channel after completing the setup.
1. Press
Mode Setup
to return to the top-level real-time cdma2000 menu.
2. Press
Link Control
>
Adjust Code Domain Power
>
Scale to 0 dB
.