AD9854 Analog Devices, AD9854 Datasheet - Page 8

• Manufacturer Part Number: AD9854
• Description: CMOS 300 MHz Quadrature Complete-DDS
• Manufacturer: Analog Devices

AD9854
Figures 2–7 indicate the wideband harmonic distortion performance of the AD9854 from 19.1 MHz to 119.1 MHz Fundamental
Output, Reference Clock = 30 MHz, REFCLK Multiplier = 10. Each graph plotted from 0 MHz to 150 MHz.
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
START 0Hz
START 0Hz
START 0Hz
Figure 2. Wideband SFDR, 19.1 MHz
Figure 3. Wideband SFDR, 39.1 MHz
Figure 4. Wideband SFDR, 59.1 MHz
15MHz/
15MHz/
15MHz/
STOP 150MHz
STOP 150MHz
STOP 150MHz
–8–
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
START 0Hz
START 0Hz
START 0Hz
Figure 7. Wideband SFDR, 119.1 MHz
Figure 5. Wideband SFDR, 79.1 MHz
Figure 6. Wideband SFDR, 99.1 MHz
15MHz/
15MHz/
15MHz/
STOP 150MHz
STOP 150MHz
STOP 150MHz
REV. 0