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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
Summary of Contents for E4428C
Page 22: ...Contents xxii ...
Page 224: ...200 Chapter 4 Basic Digital Operation Creating and Using Bit Files ...
Page 228: ...204 Chapter 5 AWGN Waveform Generator Configuring the AWGN Generator ...
Page 229: ...205 6 Analog Modulation ...
Page 276: ...252 Chapter 7 Digital Signal Interface Module Operating the N5102A Module in Input Mode ...
Page 286: ...262 Chapter 8 Bluetooth Signals Turning On a Bluetooth Signal ...
Page 330: ...306 Chapter 9 BERT Verifying BERT Operation ...
Page 366: ...342 Chapter 10 CDMA Digital Modulation IS 95A Modulation ...
Page 394: ...370 Chapter 12 Multitone Waveform Generator Applying Changes to an Active Multitone Signal ...
Page 468: ...444 Chapter 15 W CDMA Digital Modulation for Component Test W CDMA Frame Structures ...
Page 667: ...643 18 Troubleshooting ...
Page 700: ...Index 676 Index ...