AD9857
Typical Narrowband SFDR Spectral Plots
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
CENTER 70.1MHz
10kHz/
SPAN 100kHz
Figure 9. 70.1 MHz Narrowband SFDR, 10 MHz External
Clock with REFCLK Multiplier = 203
0
–10
–20
–30
–40
–50
–6
0
–7
0
–8
0
–90
–100
CENTER 70.1MHz
10kHz/
SPAN 100kHz
Figure 10. 70.1 MHz Narrowband SFDR, 200 MHz External
Clock with REFCLK Multiplier Disabled
–8–
REV. 0