Datasheet

Data Sheet AD9148
Rev. B | Page 17 of 72
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
0 50 100 150 200 250 300 350
IMD (dBc)
f
OUT
(MHz)
f
DATA
= 200MSPS
f
DATA
= 310MSPS
08910-018
Figure 18. IMD vs. f
OUT
over f
DATA
, 2× Interpolation,
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
0 50 100 150 200 250 300 350 400 450 500
f
OUT
(MHz)
IMD (dBc)
f
DATA
= 125MSPS
08910-019
Figure 19. IMD vs. f
OUT
, 8× Interpolation, f
DATA
= 125 MSPS,
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
0 50 100 150 200 250 300
f
OUT
(MHz)
IMD (dBc)
0dBFS
–6dBFS
–12dBFS
–18dBFS
08910-020
Figure 20. IMD vs. f
OUT
over Digital Scale, 4× Interpolation,
f
DATA
= 150 MSPS, Full-Scale Current = 20 mA
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
0 50 100 150 200 250 300 350 400 450 500
f
OUT
(MHz)
IMD (dBc)
f
DATA
= 150MSPS
f
DATA
= 250MSPS
08910-021
Figure 21. IMD vs. f
OUT
over f
DATA
, 4× Interpolation,
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
f
OUT
(MHz)
IMD (dBc)
10mA
20mA
30mA
0 50 100 150 200 250 300
08910-022
Figure 22. IMD vs. f
OUT
over Full-Scale Current,
4× Interpolation, f
DATA
= 150 MSPS, Digital Scale = 0 dBFS
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
f
OUT
(MHz)
IMD (dBc)
0 50 100 150 200 250 300
PLL OFF
PLL ON
08910-023
Figure 23. IMD vs. f
OUT
, PLL On and Off,
Digital Scale = 0 dBFS, Full-Scale Current = 20 mA