AD9726
Rev. B | Page 13 of 24
A
1AP
EXT
0
–10
–20
–30
–40
–60
–50
–70
–90
–80
100
120
110
1AVG
STOP 7.5MHz675kHzSTART 750kHz
REF LVL
0dBm
10dB
dBm
RF ATT
UNIT
1kHz
1kHz
17s
RBW
VBW
SWT
04540-020
Figure 14. THD at 400 MSPS and f
OUT
= 1 MHz (Diplexer High-Pass Output
Showing Harmonics After Calibration,
See the Performance Effects of Calibration Section)
04540-014
SPAN 34.68MHz
SWEEP 1.012s (601 pts)VBW 100kHz
CENTER 70.00MHz
*RES BW 10kHz
RMS RESULTS
CARRIER POWER
–14.58dBm/
3.84000MHz
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
REF BW
3.840MHz
3.840MHz
3.840MHz
dBc
–76.72
–76.96
–77.07
dBm
–91.30
–91.54
–91.65
LOWER
dBc
–76.69
–77.04
–76.76
dBm
–91.27
–91.62
–91.34
UPPER
REF –35dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
*ATTEN 8dB
EXT REF
Figure 15. One-Carrier WCDMA at 400 MSPS f
OUT
= 70 MHz
04540-015
SPAN 47.38MHz
SWEEP 1.383s (601 pts)VBW 100kHz
CENTER 70.00MHz
*RES BW 10kHz
1 –20.51dBm
2 –20.72dBm
TOTAL CARRIER POWER -17.61dBm/7.68000MHz
REF CARRIER POWER -20.72dBm/3.84000MHz
OFFSET FREQ
5.000MHz
10.00MHz
15.00MHz
INTEG BW
3.840MHz
3.840MHz
3.840MHz
dBc
–70.61
–71.29
–71.36
dBm
–91.34
–92.01
–92.08
LOWER
RRC FILTER: ON FILTER ALPHA 0.22
dBc
–70.74
–71.31
–71.06
dBm
–91.47
–92.03
–91.78
UPPER
REF –40dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
*ATTEN 6dB
EXT REF
Figure 16. Two-Carrier WCDMA at 400 MSPS f
OUT
= 70 MHz
04540-016
SPAN 59.58MHz
SWEEP 1.739s (601 pts)VBW 100kHz
CENTER 70.00MHz
*RES BW 10kHz
1 –26.43dBm
2 –26.53dBm
3 –26.74dBm
4 –26.88dBm
TOTAL CARRIER POWER -20.62dBm/15.3600MHz
REF CARRIER POWER -26.43dBm/3.84000MHz
OFFSET FREQ
5.000MHz
10.00MHz
15.00MHz
INTEG BW
3.840MHz
3.840MHz
3.840MHz
dBc
–66.59
–67.63
–67.59
dBm
–93.00
–94.04
–94.00
LOWER
RRC FILTER: ON FILTER ALPHA 0.22
dBc
–67.07
–67.54
–67.44
dBm
–93.48
–93.95
–93.86
UPPER
REF –45dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
*ATTEN 4dB
EXT REF
Figure 17. Four-Carrier WCDMA at 400 MSPS f
OUT
= 70 MHz
