622 Chapter 17
W-CDMA Downlink Digital Modulation for Receiver Test
Making Compressed Mode Signal Measurements
Figure 17-30 Compressed DPCH Signal
12. Use a marker to measure the different displayed symbol power levels.
a. Press
Marker > Tra ce > Symbol Power.
b. Use the RPG knob to position the cursor at the desired location.
You can make further signal measurements on the PSA such as measuring the number of slots for a section
on the display. This is accomplished with
Meas Interval x Slots and the
Meas Offset x Slots softkeys located in the Meas Setup hardkey menu. This can help you verify the signal
parameters that were set on the ESG.
DPCH Spread Factor 128 (2
7
) and Code Branch 10
14 DTX Slots
3 DTX Slots
Normal Frames
Compressed Slots
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