AD9726 datasheet(11/24 Pages) AD

11 / 24 page

AD9726

Rev. A | Page 11 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

100

1224

607284

132

120

108

144

fOUT (MHz)

–6dB

0dB

–3dB

Figure 6. SFDR vs. fOUT @ 400 MSPS

100

012

fOUT (MHz)

–6dB

0dB

–3dB

Figure 7. SFDR vs. fOUT @ 200 MSPS

100

120 130

110

140

fOUT (MHz)

f1 + f2 = 0dB

Figure 8. Two-Tone IMD vs. fOUT @ 400 MSPS

550

560

580

570

590

600

620

610

630

100

150

200

fOUT (MHz)

SDR

DDR

Figure 9. Power Consumption vs. fOUT @ 400 MSPS

1AP

EXT

–10

–20

–30

–40

–60

–50

–70

–90

–80

–100

–120

–110

1AVG

STOP 7.5MHz

675kHz

START 750kHz

REF LVL

0dBm

40dB

dBm

RF ATT

UNIT

1kHz

17s

RBW

VBW

SWT

Figure 10. THD @ 400 MSPS and fOUT = 1 MHz

(Diplexer Low-Pass Output Showing 0 dBm Fundamental;

See Performance Effects of Calibration Section)

1AP

EXT

–10

–20

–30

–40

–60

–50

–70

–90

–80

–100

–120

–110

1AVG

STOP 7.5MHz

675kHz

START 750kHz

REF LVL

0dBm

10dB

dBm

RF ATT

UNIT

1kHz

17s

RBW

VBW

SWT

Figure 11. THD @ 400 MSPS and fOUT = 1 MHz

(Diplexer High-Pass Output Showing Harmonics Before Calibration;

See Performance Effects of Calibration Section)

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