AD9739BBCZ datasheet(14/48 Pages) AD

14 / 48 page

AD9739

Data Sheet

Rev. B | Page 14 of 48

fOUT (MHz)

100

200

300

400

500

600

700

800

900 1000

+25°C

+85°C

–40°C

Figure 19. SFDR vs. fOUT over Temperature

–170

–168

–166

–164

–162

–160

–158

–156

–154

–152

–150

200

400

600

800

1000

100

300

500

700

900

fOUT (MHz)

+25°C

–40°C

+85°C

Figure 20. Single-Tone NSD vs. fOUT over Temperature

VBW 300kHz

SPAN 53.84MHz

SWEEP 174.6ms (601pts)

CENTER 350.27MHz

#RES BW 30kHz

RMS RESULTS

CARRIER POWER

–14.54dBm/

3.84MHz

FREQ

OFFSET

(MHz)

REF

(MHz)

3.84

(dBc)

–79.90

–80.60

–80.90

–80.62

–80.76

(dBm)

–94.44

–95.14

–95.45

–95.16

–95.30

LOWER

(dBc)

–79.03

–79.36

–80.73

–80.97

–80.95

(dBm)

–93.57

–94.40

–95.27

–95.51

–95.49

UPPER

Figure 21. Single-Carrier WCDMA at 350 MHz, fDAC = 2457.6 MSPS

fOUT (MHz)

100

110

100

200

300

400

500

600

700

800

900 1000

+25°C

–40°C

+85°C

Figure 22. IMD vs. fOUT over Temperature

–170

–168

–166

–164

–162

–160

–158

–156

–154

–152

–150

200

400

600

800

1000

100

300

500

700

900

fOUT (MHz)

+25°C

–40°C

+85°C

Figure 23. Eight-Tone NSD vs. fOUT over Temperature

–90

–85

–80

–75

–70

–65

–60

–55

–50

122.88

245.76

368.64

491.52

614.40

737.28

860.16

983.04

1105.90

1228.80

FIRST ADJ CH

SECOND ADJ CH

FIFTH ADJ CH

fOUT (MHz)

Figure 24. Four-Carrier WCDMA at 350 MHz, fDAC = 2457.6 MSPS

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