AD9148 Analog Devices, AD9148 Datasheet - Page 20

• Manufacturer Part Number: AD9148
• Manufacturer: Analog Devices

Specifications of AD9148

• Resolution (bits): 16bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

AD9148
Figure 36. Four-Carrier W-CDMA, f
Figure 37. Four-Carrier W-CDMA, f
CENTER 150.00MHz
#RES BW 30kHz
TOTAL CARRIER POWER –13.30dBm/15.3600MHz
RCC FILTER: ON
CENTER 150.00MHz
#RES BW 30kHz
TOTAL CARRIER POWER –13.28dBm/15.3600MHz
RCC FILTER: ON
1 –19.14dBm
2 –19.29dBm
3 –19.24dBm
4 –19.61dBm
1 –19.07dBm
2 –19.42dBm
3 –19.28dBm
4 –19.45dBm
REF CARRIER POWER –19.14dBm/3.84000MHz
REF CARRIER POWER –19.07dBm/3.84000MHz
4× Interpolation, −3 dBFS, PLL Off
4× Interpolation, −3 dBFS, PLL On
5.000MHz
10.00MHz
15.00MHz
5.000MHz
10.00MHz
15.00MHz
OFFSET
OFFSET
FILTER ALPHA 0.22
FILTER ALPHA 0.22
FREQ
FREQ
VBW 300kHz
VBW 300kHz
INTEG BW
INTEG BW
3.840MHz
3.840MHz
3.840MHz
3.840MHz
3.840MHz
3.840MHz
OUT
OUT
SWEEP 193.2ms (601 PTS)
–72.59 –91.81
–73.58 –92.81
–75.18 –94.40
= 150 MHz, f
SWEEP 193.2ms (601 PTS)
–64.50
–65.12
–65.40
= 150 MHz, f
dBc
dBc
LOWER
LOWER
–83.67
–84.29
–84.57
dBm
dBm
SPAN 59.58MHz
SPAN 59.58MHz
DAC
DAC
–72.99 –92.22
–74.45 –93.67
–64.39 –83.56
–65.20 –84.37
–75.28 –94.51
–65.35 –84.52
dBc
dBc
UPPER
= 737.28 MSPS,
UPPER
= 737.28 MSPS,
dBm
dBm
Rev. B | Page 20 of 72
Figure 38. Four-Carrier W-CDMA, f
f
DATA
–100
–102
–104
–106
–108
–110
Figure 39. Crosstalk (DAC Set 1 to DAC Set 2), 4× Interpolation,
–80
–82
–84
–86
–88
–90
–92
–94
–96
–98
START 1.0MHz
#RES BW 30kHz
= 150 MSPS, Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
0
50
4× Interpolation, −3 dBFS
VBW 30kHz
100
f
OUT
OUT
150
(MHz)
= 150 MHz, f
SWEEP 1.685s (601 PTS)
200
STOP 368.6MHz
DAC
Data Sheet
= 737.28 MSPS,
250
300