AD9856SLASHPCB datasheet(11/37 Pages) AD

11 / 37 page

AD9856

Rev. C | Page 10 of 36

TYPICAL NARROW-BAND SFDR SPECTRAL PLOTS

–100

–90

–80

–70

–60

–50

–40

–30

–20

–10

SPAN 100kHz

CENTER 70.1MHz

10kHz/

REF LVL

–5dBm

RBW

VBW

SWT

20dB

RF ATT

UNIT

100Hz

50s

1AP

Figure 11. 70.1 MHz Narrow-Band SFDR, 10 MHz External Clock

with REFCLK Multiplier = 20×

–120

–108

–96

–84

–72

–60

–48

–36

–24

–12

SPAN 100kHz

CENTER 70.1MHz

10kHz/

REF LVL

–5dBm

RBW

VBW

SWT

20dB

RF ATT

UNIT

100Hz

50s

1AP

Figure 12. 70.1 MHz Narrow-Band SFDR, 200 MHz External Clock

with REFCLK Multiplier Disabled

TYPICAL PHASE NOISE SPECTRAL PLOTS

–120

–108

–96

–84

–72

–60

–48

–36

–24

–12

SPAN 5kHz

CENTER 40.1MHz

500Hz/

REF LVL

0dBm

RBW

VBW

SWT

30dB

RF ATT

UNIT

30Hz

28s

1AP

FXD –2.248dBm

FXD

Figure 13. 40.1 MHz Output, 10 MHz External Clock

with REFCLK Multiplier = 20×

–120

–108

–96

–84

–72

–60

–48

–36

–24

–12

SPAN 5kHz

CENTER 40.1MHz

500Hz/

REF LVL

0dBm

RBW

VBW

SWT

30dB

RF ATT

UNIT

30Hz

28s

1AP

FXD –2.248dBm

FXD

Figure 14. 40.1 MHz Output, 200 MHz External Clock

with REFCLK Multiplier Disabled

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