AD9739ABBCZ datasheet(18/64 Pages) AD

18 / 64 page

AD9737A/AD9739A

Data Sheet

Rev. | Page 18 of 64

fDAC = 2.1 GSPS, IOUTFS = 20 mA, nominal supplies, TA = 25°C, unless otherwise noted.

STOP 2.4GHz

SWEEP 7.174s (601pts)

START 20MHz

#RES BW 20kHz

VBW 20kHz

Figure 33. Single-Tone Spectrum at fOUT = 2.31 GHz, fDAC = 2.4 GSPS

STOP 2.4GHz

SWEEP 7.174s (601pts)

START 20MHz

#RES BW 20kHz

VBW 20kHz

Figure 34. Single-Tone Spectrum at fOUT = 1.31 GHz, fDAC = 2.4 GSPS

1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400

fOUT (MHz)

Figure 35. SFDR in Mix-mode vs. fOUT at 2.4 GSPS

100

1000

1300

1200

1100

1400 1500 1600 1700 1800 1900 2000

fOUT (MHz)

Figure 36. IMD in Mix-Mode vs. fOUT at 2.4 GSPS

SPAN 54.68MHz

SWEEP 1.509s

CENTER 2.108MHz

#RES BW 30kHz

UPPER

FILTER

dBc

–69.84

–71.15

–71.75

–72.19

–72.70

dBc

–69.82

–69.93

–71.77

–72.26

–71.90

dBm

–89.36

–90.67

–91.28

–91.71

–92.22

LOWER

dBm

–88.34

–89.46

–91.29

–91.79

–91.42

INTEG BW

3.840MHz

OFFSET FREQ

5.000MHz

10.00MHz

15.00MHz

20.00MHz

25.00MHz

CARRIER POWER

–19.526dBm/3.84MHz

ACP-IBW

–35

–45

–55

–65

–75

–85

–95

–105

–115

VBW 3kHz

–72.7dBc

–71.8dBc

–69.9dBc

–68.8dBc –19.5dBm

–72.3dBc

–71.9dBc

–69.8dBc

–71.1dBc –71.8dBc

–72.2dBc

Figure 37. Typical Single-Carrier WCDMA ACLR Performance at 2.1 GHz,

fDAC = 2457.6 MSPS (Second Nyquist Zone)

–90

–85

–80

–75

–70

–65

–60

–55

–50

SECOND NYQUIST ZONE

THIRD NYQUIST ZONE

FIRST ADJ CH

THIRD ADJ CH

fOUT (MHz)

SECOND ADJ CH

Figure 38. Single-Carrier WCDMA ACLR vs. fOUT, fDAC = 2457.6 MSPS

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