Datasheet

Data Sheet AD9148
Rev. B | Page 19 of 72
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
0 50 100 150 200 250 300 350
ACLR (dBc)
0dB, PLL ON
0dB, PLL OFF
–3dB, PLL OFF
–6dB, PLL OFF
f
OUT
(MHz)
08910-030
Figure 30. One-Carrier W-CDMA ACLR vs. f
OUT
, Adjacent Channel,
4× Interpolation, f
DATA
= 184.32 MHz
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
0 50 100 150 200 250 300 350
ACLR (dBc)
0dB, PLL ON
0dB, PLL OFF
–3dB, PLL OFF
–6dB, PLL OFF
f
OUT
(MHz)
08910-031
Figure 31. One-Carrier W-CDMA ACLR vs. f
OUT
, Alternate Channel,
4× Interpolation, f
DATA
= 184.32 MHz
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
0 50 100 150 200 250 300 350
ACLR (dBc)
0dB, PLL ON
0dB, PLL OFF
–3dB, PLL OFF
–6dB, PLL OFF
f
OUT
(MHz)
08910-032
Figure 32. One-Carrier W-CDMA ACLR vs. f
OUT
, Second Alternate Channel,
4× Interpolation, f
DATA
= 184.32 MHz
CENTER 150.00MHz
VBW 300kHz
SPAN 34.68MHz
#RES BW 30kHz
RMS RESULTS
FREQ
OFFSET
REF BW
LOWER
dBc dBm
UPPER
dBc dBm
CARRIER POWER 5.000MHz 3.840MHz –78.88 –92.35 –77.98 –91.45
–13.47dBm/ 10.00MHz 3.840MHz –82.12 –95.59 –82.65 –96.12
3.84000MHz 15.00MHz 3.840MHz –82.18 –95.65 –82.28 –95.75
SWEEP 112.5ms (601 PTS)
08910-033
Figure 33. One-Carrier W-CDMA ACLR, f
OUT
= 150 MHz,
4× Interpolation, f
DATA
= 184.32 MHz, PLL Off
CENTER 150.00MHz
VBW 300kHz
SPAN 34.68MHz
#RES BW 30kHz
RMS RESULTS
FREQ
OFFSET
REF BW
LOWER
dBc dBm
UPPER
dBc dBm
CARRIER POWER 5.000MHz 3.840MHz –74.50 –87.27 –73.79 –86.56
–12.77dBm/ 10.00MHz 3.840MHz –82.72 –95.49 –82.99 –95.76
3.84000MHz 15.00MHz 3.840MHz –82.97 –95.74 –83.54 –96.31
SWEEP 112.5ms (601 PTS)
08910-034
Figure 34. One-Carrier W-CDMA ACLR, f
OUT
= 150 MHz,
4× Interpolation, f
DATA
= 184.32 MHz, PLL On
START 1.0MHz
VBW 30kHz
STOP 368.6MHz
#RES BW 30kHz SWEEP 1.685s (601 PTS)
08910-035
Figure 35. One-Carrier W-CDMA, f
OUT
= 150 MHz, f
DAC
= 737.28 MSPS,
4× Interpolation, −3 dBFS