Datasheet

AD9776/AD9778/AD9779
Rev. A | Page 17 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
05361-017
Figure 18. AD9779 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
05361-018
Figure 19. AD9779 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
05361-019
Figure 20. AD9779 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
05361-020
Figure 21. AD9779 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
05361-021
Figure 22. AD9779 Third-Order IMD vs. f
OUT
, 4× Interpolation,
f
DATA
= 100 MSPS, PLL On vs. PLL 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
05361-022
Figure 23. AD9779 Third-Order IMD vs. f
OUT
, over 50 Parts,4× Interpolation,
f
DATA
= 200 MSPS