Analog Devices AD9739 Manual page 16

4-bit, 2500 msps, rf digital-to-analog converter
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AD9739
CENTER 350.27MHz
#RES BW 30kHz
VBW 300kHz
FREQ
REF
RMS RESULTS
OFFSET
BW
(MHz)
(MHz)
CARRIER POWER
5
3.84
–14.54dBm/
10
3.84
3.84MHz
15
3.84
20
3.84
25
3.84
Figure 35. Typical Single-Carrier WCDMA ACLR Performance @ 350 MHz
f
= 2457.6 MSPS
DAC
SPAN 53.84MHz
SWEEP 174.6ms (601pts)
LOWER
UPPER
(dBc)
(dBm)
(dBc)
(dBm)
–79.90
–94.44
–79.03
–93.57
–80.60
–95.14
–79.36
–94.40
–80.90
–95.45
–80.73
–95.27
–80.62
–95.16
–80.97
–95.51
–80.76
–95.30
–80.95
–95.49
CENTER 355.11MHz
#RES BW 30kHz
RMS RESULTS
CARRIER POWER
–18.27dBm/
3.84MHz
Figure 36. Typical Four-Carrier WCDMA ACLR Performance @ 350 MHz,
Rev. A | Page 16 of 56
SPAN 63.84MHz
SWEEP 207ms (601pts)
VBW 300kHz
FREQ
REF
LOWER
UPPER
OFFSET
BW
(MHz)
(MHz)
(dBc)
(dBm)
(dBc)
(dBm)
5
3.84
–0.29
–18.57
–0.22
–18.50
10
3.84
–68.63
–86.90
–0.23
–18.50
15
3.84
–70.92
–89.19
–69.68
–87.95
20
3.84
–73.78
–92.06
–72.41
–90.68
25
3.84
–75.26
–93.54
–73.91
–92.18
30
3.84
–75.98
–94.25
–76.38
–94.65
f
= 2457.6 MSPS
DAC

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