Datasheet

AD9238
Rev. C | Page 13 of 48
–120
10
MAGNITUDE (dBFS)
15 20 25 3050
–100
–80
–60
–40
–20
0
FREQUENCY (MHz)
02640-016
Figure 17. Dual-Tone FFT with f
IN
1 = 45 MHz and f
IN
2 = 46 MHz
–120
10 15 20 25 3050
–100
–80
–60
–40
–20
0
MAGNITUDE (dBFS)
FREQUENCY (MHz)
02640-017
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)
02640-018
Figure 19. Dual-Tone FFT with f
IN
1 = 200 MHz and f
IN
2 = 201 MHz
INPUT AMPLITUDE (dBFS)
95
SFDR/SNR (dBFS)
90
85
80
100
SNR
SFDR
75
–24
SNR
SNR
70
–21 –18 –15 –12 –9 –6
65
60
02640-019
Figure 20. Dual-Tone SNR/SFDR vs. AIN with f
IN
1 = 45 MHz and f
IN
2 = 46 MHz
INPUT AMPLITUDE (dBFS)
95
SFDR/SNR (dBFS)
90
85
80
100
SNR
SFDR
75
–24
SNR
SNR
70
–21 –18 –15 –12 –9 –6
65
60
02640-020
Figure 21. Dual-Tone SNR/SFDR vs. AIN with f
IN
1 = 70 MHz and f
IN
2 = 71 MHz
INPUT AMPLITUDE (dBFS)
95
SFDR/SNR (dBFS)
90
85
80
100
SNR
SFDR
75
–24
SNR
70
–21 –18 –15 –12 –9 –6
65
60
02640-021
Figure 22. Dual-Tone SNR/SFDR vs.
AIN with f
IN
1 = 200 MHz and f
IN
2 = 201 MHz