Analog Devices AD9776A Manual page 16

AD9776A/AD9778A/AD9779A
100
90
f
80 = 250MSPS
DATA
70
60
50
0 20
Figure 18. AD9779A Third-Order IMD vs. f
100
90
80
f
70 DATA
60
50
0 20 40 60
Figure 19. AD9779A Third-Order IMD vs. f
100
90
80
70
f
= 100MSPS
DATA
60
50
0 40 80
Figure 20. AD9779A Third-Order IMD vs. f
Downloaded from Elcodis.com electronic components distributor
f
= 160MSPS
DATA
f
= 200MSPS
DATA
40 60 80 100
f
(MHz)
OUT
,
OUT
1× Interpolation
f
= 160MSPS
DATA
= 200MSPS
f
= 250MSPS
DATA
80 100 120 140 160 180 200 220
f
(MHz)
OUT
,
OUT
2× Interpolation
f
= 150MSPS
DATA
f
= 200MSPS
DATA
120 160 200 240 280 320 360
f
(MHz)
OUT
,
OUT
4× Interpolation
100
90
80
70
60
50
120
100
90
80
70
60
50
0
4× Interpolation, f
100
95
90
85
80
75
70
65
60
55
50
400 0
Figure 23. AD9779A Third-Order IMD vs. f
Rev. A | Page 16 of 60
f
= 75MSPS
DATA
f
DATA
f
= 50MSPS
DATA
f
= 125MSPS
DATA
f
(MHz)
OUT
Figure 21. AD9779A Third-Order IMD vs. f
8× Interpolation
PLL OFF
PLL ON
20 40 60 80 100 120 140
f
(MHz)
OUT
Figure 22. AD9779A Third-Order IMD vs. f
= 100 MSPS, PLL On vs. PLL Off
DATA
40 80 120 160 200 240 280
f
(MHz)
OUT
50 Parts, 4× Interpolation, f = 200 MSPS
DATA
= 100MSPS
,
OUT
160 180 200
,
OUT
320 360 400
, over
OUT