Datasheet

AD9248
Rev. B | Page 14 of 48
–120
10
MAGNITUDE (dBFS)
15 20 25 3050
–100
–80
–60
–40
–20
0
FREQUENCY (MHz)
IMD = –85dBc
04446-063
Figure 17. Dual-Tone FFT with f
IN
1 = 39 MHz and f
IN
2 = 40 MHz
–120
10
MAGNITUDE (dBFS)
15 20 25 3050
–100
–80
–60
–40
–20
0
FREQUENCY (MHz)
IMD =
–83dBc
04446-064
Figure 18. Dual-Tone FFT with f
IN
1 = 70 MHz and f
IN
2 = 71 MHz
–120
10 15 20 25 3050
–100
–80
–60
–40
–20
0
MAGNITUDE (dBFS)
FREQUENCY (MHz)
04446-018
Figure 19. Dual-Tone FFT with f
IN
1 = 200 MHz and f
IN
2 = 201 MHz
SNR
SFDR
SNR
INPUT AMPLITUDE (dBFS)
95
SFDR/SNR (dBFS)
90
85
80
100
75
–24
70
–21 –18 –15 –12 –9 –6
65
60
04446-019
Figure 20. Dual-Tone SFDR/SNR vs. A
IN
with f
IN
1 = 45 MHz and f
IN
2 = 46 MHz
SNR
SFDR
SNR
INPUT AMPLITUDE (dBFS)
95
SFDR/SNR (dBFS)
90
85
80
100
75
–24
70
–21 –18 –15 –12 –9 –6
65
60
04446-020
Figure 21. Dual-Tone SFDR/SNR vs. A
IN
with f
IN
1 = 70 MHz and f
IN
2 = 71 MHz
SNR
SFDR
SNR
INPUT AMPLITUDE (dBFS)
95
SFDR/SNR (dBFS)
90
85
80
100
75
–24
70
–21 –18 –15 –12 –9 –6
65
60
04446-021
Figure 22. Dual-Tone SFDR/SNR vs.
A
IN
with f
IN
1 = 200 MHz and f
IN
2 = 201 MHz