Datasheet

AD9776A/AD9778A/AD9779A
Rev. B | Page 18 of 56
100
50
0
120
f
OUT
(MHz)
IMD (dBc)
90
80
70
60
20 40 60 80 100
f
DATA
= 200MSPS
f
DATA
= 250MSPS
f
DATA
= 160MSPS
06452-017
Figure 18. AD9779A Third-Order IMD vs. f
OUT
,
1× Interpolation
100
50
0 20 40 60 80 100 120 140 160 180 200
220
f
OUT
(MHz)
IMD (dBc)
90
80
70
60
f
DATA
= 160MSPS
f
DATA
= 250MSPS
f
DATA
= 200MSPS
06452-018
Figure 19. AD9779A Third-Order IMD vs. f
OUT
,
2× Interpolation
100
50
0
400
f
OUT
(MHz)
IMD (dBc)
90
80
70
60
40 80 120 160 200 240 280 320 360
f
DATA
= 150MSPS
f
DATA
= 200MSPS
f
DATA
= 100MSPS
06452-019
Figure 20. AD9779A Third-Order IMD vs. f
OUT
,
4× Interpolation
f
OUT
(MHz)
IMD (dBc)
f
DATA
= 75MSPS
f
DATA
= 125MSPS
f
DATA
= 100MSPS
90
100
80
70
60
50
450 425 400 375 350 325 300 275 250 225 200 175 150 125 100
75 50 25
0
f
DATA
= 50MSPS
06452-020
Figure 21. AD9779A Third-Order IMD vs. f
OUT
,
8× Interpolation
100
50
0
200
f
OUT
(MHz)
IMD (dBc)
90
80
70
60
100
20 40 60 80 120 140 160 180
PLL OFF
PLL ON
06452-021
Figure 22. AD9779A Third-Order IMD vs. f
OUT
,
4× Interpolation, f
DATA
= 100 MSPS, PLL On/Off
100
95
50
55
0
400360
f
OUT
(MHz)
IMD (dBc)
90
80
85
70
75
60
65
40 80 120 160 200 240 280 320
06452-022
Figure 23. AD9779A Third-Order IMD vs. f
OUT
,
Over 50 Parts, 4× Interpolation, f
DATA
= 200 MSPS