420 Chapter 15
W-CDMA Digital Modulation for Component Test
W-CDMA Downlink Modulation
5. Highlight the Timing Offset value 0 for the new 3 DPCH carrier in row 2 and press, Edit Item > 3 >
Enter. Refer to, “Multicarrier Setup Page 2” on page 421.
6. Highlight the Initial Phase value 0 for the new 3 DPCH carrier in row 2 and press,
Edit Item > 8 > Enter. Refer to, “Multicarrier Setup Page 2” on page 421.
7. Highlight the Pre-FIR Clipping |I+jQ| value for the new 3 DPCH carrier in row 2 and press,
Edit Item > 50 > %. Refer to, “Multicarrier Setup Page 2” on page 421.
NOTE The E4438C allows you to clip each individual channel by setting the I+jQ pre-FIR and
post-FIR clipping percentage in the table editor and clip the composite waveform by setting
the I+jQ percentage using the Composite Waveform Clip softkey.
Figure 15-4 Multicarrier Setup Page 1
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