AD9726 Analog Devices, AD9726 Datasheet - Page 13

• Manufacturer Part Number: AD9726
• Manufacturer: Analog Devices

Specifications of AD9726

• Resolution (bits): 16bit
• Dac Update Rate: 400MSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

Figure 14. THD at 400 MSPS and f
REF –35dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
CENTER 70.00MHz
*RES BW 10kHz
RMS RESULTS
CARRIER POWER
–14.58dBm/
3.84000MHz
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
Figure 15. One-Carrier WCDMA at 400 MSPS f
REF LVL
0dBm
START 750kHz
1AVG
See the Performance Effects of Calibration Section)
FREQ OFFSET
5.000MHz
10.00MHz
15.00MHz
Showing Harmonics After Calibration,
*ATTEN 8dB
VBW 100kHz
REF BW
3.840MHz
3.840MHz
3.840MHz
OUT
675kHz
= 1 MHz (Diplexer High-Pass Output
dBc
–76.72
–76.96
–77.07
RBW
VBW
SWT
LOWER
SWEEP 1.012s (601 pts)
dBm
–91.30
–91.54
–91.65
1kHz
1kHz
17s
dBc
–76.69
–77.04
–76.76
SPAN 34.68MHz
RF ATT
UNIT
UPPER
STOP 7.5MHz
OUT
= 70 MHz
EXT REF
dBm
–91.27
–91.62
–91.34
10dB
dBm
1AP
EXT
A
Rev. B | Page 13 of 24
REF –45dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
CENTER 70.00MHz
*RES BW 10kHz
TOTAL CARRIER POWER -20.62dBm/15.3600MHz
REF CARRIER POWER
1 –26.43dBm
2 –26.53dBm
3 –26.74dBm
4 –26.88dBm
REF –40dBm
*AVG
Log
10dB/
PAVG
10
W1 S2
CENTER 70.00MHz
*RES BW 10kHz
TOTAL CARRIER POWER -17.61dBm/7.68000MHz
REF CARRIER POWER
1 –20.51dBm
2 –20.72dBm
Figure 16. Two-Carrier WCDMA at 400 MSPS f
Figure 17. Four-Carrier WCDMA at 400 MSPS f
OFFSET FREQ
5.000MHz
10.00MHz
15.00MHz
OFFSET FREQ
5.000MHz
10.00MHz
15.00MHz
-26.43dBm/3.84000MHz
-20.72dBm/3.84000MHz
*ATTEN 4dB
*ATTEN 6dB
VBW 100kHz
VBW 100kHz
INTEG BW
3.840MHz
3.840MHz
3.840MHz
INTEG BW
3.840MHz
3.840MHz
3.840MHz
dBc
–70.61
–71.29
–71.36
dBc
–66.59
–67.63
–67.59
RRC FILTER: ON FILTER ALPHA 0.22
RRC FILTER: ON FILTER ALPHA 0.22
LOWER
LOWER
SWEEP 1.383s (601 pts)
SWEEP 1.739s (601 pts)
dBm
–91.34
–92.01
–92.08
dBm
–93.00
–94.04
–94.00
SPAN 47.38MHz
SPAN 59.58MHz
dBc
–70.74
–71.31
–71.06
dBc
–67.07
–67.54
–67.44
OUT
OUT
UPPER
UPPER
= 70 MHz
= 70 MHz
EXT REF
EXT REF
dBm
–91.47
–92.03
–91.78
dBm
–93.48
–93.95
–93.86
AD9726