620 Chapter 17
W-CDMA Downlink Digital Modulation for Receiver Test
Making Compressed Mode Signal Measurements
Figure 17-28 DPCH Selected on PSA
7. Set the spectrum analyzer so it measures the DPCH symbol power.
a. Press
Meas Setup > Symbol Rate > 30 > ksps.
This sets the DPCH symbol rate for the 12.2 kbps RMC data rate and matches the ESG DPCH
symbol rate shown in Figure 17-29
b. Press
Code Number > 10 > Enter.
This sets the channel code branch that the DPCH is using and is associated with the with the SF for
the symbol rate of 30 ksps (3.84 Mcps / 30 ksps = SF 128).
The code number is found on the ESG DPCH setup display and is shown in Figure 17-29.
DPCH
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