Datasheet

AD9785/AD9787/AD9788
Rev. A | Page 15 of 64
–90
0 260
f
OUT
(MHz)
ACLR (dBc)
–
55
4020 60 80 100 120 140 160 180 200 220 240
–85
–80
–75
–70
–65
–60
07098-077
0 dBFS PLL ON
0 dBFS PLL OFF
–3 dBFS PLL OFF
–6 dBFS PLL OFF
Figure 17. AD9788 ACLR for Second Adjacent Band WCDMA,
4× Interpolation, f
DATA
= 122.88 MSPS, NCO Translates Baseband Signal to IF
–90
0 260
f
OUT
(MHz)
ACLR (dBc)
–
70
4020 60 80 100 120 140 160 180 200 220 240
–85
–80
–75
07098-078
0 dBFS PLL ON
0 dBFS PLL OFF
–6 dBFS PLL OFF
–3 dBFS PLL OFF
Figure 18. AD9788 ACLR for Third Adjacent Band WCDMA, 4× Interpolation,
f
DATA
= 122.88 MSPS, NCO Translates Baseband Signal to IF
50
60
70
80
90
100
0 20 40 60 80 100 120
07098-079
f
OUT
(MHz)
IMD (dBc)
200MSPS
160MSPS
250MSPS
Figure 19. AD9788 IMD vs. f
OUT
, 1× Interpolation
50
60
70
80
90
100
0 50 100 150 200
07098-080
f
OUT
(MHz)
IMD (dBc)
200MSPS
160MSPS
250MSPS
Figure 20. AD9788 IMD vs. f
OUT
, 2× Interpolation
50
60
70
80
90
100
0 40 80 120 160 200 240 280 320 360 400
07098-081
f
OUT
(MHz)
IMD (dBc)
200MSPS
150MSPS
100MSPS
Figure 21. AD9788 IMD vs. f
OUT
, 4× Interpolation
50
60
70
80
90
100
0 20 40 60 80 100 120 140 160 180 200
07098-082
f
OUT
(MHz)
IMD (dBc)
PLL ON
PLL OFF
Figure 22. AD9788 IMD vs. f
OUT
, 8× Interpolation, f
DATA
= 100 MSPS,
PLL On/PLL Off