Analog Devices AD9739 Manual page 18

AD9739
CENTER 2.807GHz
#RES BW 30kHz
VBW 300kHz
FREQ REF
RMS RESULTS
OFFSET BW
(MHz) (MHz)
CARRIER POWER
5 3.84
–24.4dBm/
10 3.84
3.84MHz
15 3.84
20 3.84
25 3.84
Figure 43. Typical Single-Carrier WCDMA ACLR Performance @ 2.8 GHz,
f = 2457.6 MSPS (Third Nyquist Zone)
DAC
CENTER 2.09758GHz
#RES BW 30kHz
VBW 300kHz
FREQ REF
RMS RESULTS
OFFSET BW
CARRIER POWER (MHz) (MHz)
5 3.84
–25.53dBm/
10 3.84
3.84MHz
15 3.84
20 3.84
25 3.84
30 3.84
Figure 44. Typical Four-Carrier WCDMA ACLR Performance @ 2.1 GHz,
f = 2457.6 MSPS (Second Nyquist Zone)
DAC
SPAN 53.84MHz
SWEEP 174.6ms (601pts)
LOWER UPPER
(dBc) (dBm) (dBc) (dBm)
–64.90 –89.30 –63.82 –88.22
–66.27 –90.67 –65.70 –90.10
–68.44 –92.84 –66.55 –90.95
–70.20 –94.60 –68.95 –93.35
–70.85 –95.25 –70.45 –94.85
SPAN 63.84MHz
SWEEP 207ms (601pts)
LOWER UPPER
(dBc) (dBm) (dBc) (dBm)
0.22 –25.31 0.24 –25.29
–66.68 –92.21 0.14 –25.38
–68.01 –93.53 –66.82 –92.35
–68.61 –94.14 –67.83 –93.36
–68.87 –94.40 –67.64 –93.17
–69.21 –94.74 –68.50 –94.03
CENTER 2.81271GHz
#RES BW 30kHz
RMS RESULTS
CARRIER POWER
–27.98dBm/
3.84MHz
Figure 45. Typical Four-Carrier WCDMA ACLR Performance @ 2.8 GHz
Rev. A | Page 18 of 56
SWEEP 207ms (601pts)
VBW 300kHz
FREQ REF
OFFSET BW LOWER
(MHz) (MHz) (dBc) (dBm) (dBc)
5 3.84 –0.42 –28.40 –0.10
10 3.84 –64.32 –92.30 –0.08
15 3.84 –66.03 –94.01 –65.37
20 3.84 –66.27 –94.24 –66.06
25 3.84 –66.82 –94.79 –63.36
30 3.84 –67.16 –95.13 –66.54
f = 2457.6 MSPS (Third Nyquist Zone)
DAC
SPAN 63.84MHz
UPPER
(dBm)
–28.07
–28.06
–93.34
–94.03
–93.34
–94.51