Datasheet

Data Sheet AD9780/AD9781/AD9783
Rev. B | Page 17 of 32
SFDR (dBc)
f
OUT
(MHz)
100
40
45
50
55
60
65
70
75
80
85
90
95
0 50 100 150 200 500250 300 350 400 450
06936-047
Figure 47. AD9780 SFDR vs. f
OUT
in Baseband and Mix Modes, at 500 MSPS,
FS = 20 mA
IMD (dBc)
f
OUT
(MHz)
100
40
45
30
35
50
55
60
65
70
75
80
85
90
95
0 50
100 150 200 500250 300 350 400 450
06936-048
Figure 48. AD9780 IMD vs. f
OUT
in Baseband and Mix Modes, at 500 MSPS,
FS = 20 mA
NSD (dBm/Hz)
f
OUT
(MHz)
–170
–168
–166
–164
–162
–160
–158
–156
–154
–152
–150
–148
–146
–144
–142
–140
0 50 100 150 200 500250 300 350 400 450
06936-049
1-TONE
8-TONE
Figure 49. AD9780 One-Tone, Eight-Tone NSD vs. f
OUT
in Baseband and Mix
Modes, at 500 MSPS, FS = 20 mA
–90
–50
–55
–60
–65
–70
–75
–80
–85
0 500400300200100
ACLR (dBc)
f
OUT
(MHz)
FIRST
ADJACENT
CHANNEL
SECOND
ADJACENT
CHANNEL
THIRD
ADJACENT
CHANNEL
06936-050
Figure 50. AD9780 ACLR for One-Carrier W-CDMA Baseband and Mix Modes,
at 491.52 MSPS, FS = 20 mA