Data Sheet
AD9737A/AD9739A
Rev. | Page 25 of 64
64- AND 128-CARRIER DOCSIS PERFORMANCE (NORMAL MODE)
IOUTFS = 20 mA, fDAC = 2.4576 GSPS, nominal supplies, TA = 25°C, unless otherwise noted.
09616-
171
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–33.680dBm
–46.450dB
–56.577dB
6MHz
BAND POWER
(Δ)
Y
–33.679dBm
–46.452dB
–56.577dB
f
1
2
3
X
N
Δ1
MODE
MKR
SCL
TRC
448.05MHz
165.30MHz
372.40MHz
–50
–60
–70
–80
–90
–100
–110
–120
–130
2
Δ1
3
Δ1
1
Figure 72. Low Band Wideband ACLR
09616-
172
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–34.413dBm
–56.033dB
–36.289dBm
6MHz
BAND POWER
(Δ)
Y
–34.413dBm
–56.033dB
–36.289dBm
f
1
2
3
X
N
Δ1
N
MODE
MKR
SCL
TRC
599.10MHz
–292.60MHz
978.15MHz
–50
–60
–70
–80
–90
–100
–110
–120
–130
1
2
Δ1
3
Figure 73. High Band Wideband ACLR
09616-
173
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–35.909dBm
–53.920dB
–38.646dBm
6MHz
BAND POWER
(Δ)
Y
–34.909dBm
–53.920dB
–38.646dBm
f
1
2
3
X
N
Δ1
N
MODE
MKR
SCL
TRC
69.95MHz
855.00MHz
831.85MHz
–50
–60
–70
–80
–90
–100
–110
–120
–130
1
2
Δ1
3
Figure 74. 128-Carrier Low Band Wideband ACLR
09616-
174
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 448MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–59.56
–60.04
–58.69
–59.04
–58.86
dBm
–92.93
–93.41
–92.06
–92.40
–92.23
LOWER
dBc
–11.02
–0.337
0.050
0.064
0.099
dBm
–44.39
–33.74
–33.32
–33.30
–33.27
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–33.368dBm/6MHz
ACP-IBW
10d
B/
DI
V
0.1dBc
0.0dBc
–0.4dBc
–33.4dBm
–60.0dBc
–58.7dBc
–58.9dBc
–59.0dBc
–50
–60
–70
–80
–90
–100
–110
–120
–130
Figure 75. 64-Carrier Low Band Narrow-Band ACLR
09616-
175
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 600MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–11.06
–0.380
–0.004
–0.012
0.043
dBm
–44.91
–34.23
–33.85
–33.86
–33.81
LOWER
dBc
–58.63
–59.29
–58.37
–57.84
–58.04
dBm
–92.48
–93.14
–92.22
–91.69
–91.89
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–33.849dBm/6MHz
ACP-IBW
10d
B/
DI
V
–58.0dBc
–57.8dBc
–58.4dBc
–59.3dBc
–33.8dBm
––0.4dBc
0.0dBc
–50
–60
–70
–80
–90
–100
–110
–120
–130
Figure 76. 64-Carrier High Band Narrow-Band ACLR
09616-
218
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 832MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–59.28
–54.33
–53.36
–53.35
–53.07
dBm
–97.73
–92.79
–91.82
–91.81
–91.53
LOWER
dBc
–11.07
–0.210
0.353
0.253
0.292
dBm
–49.53
–38.67
–38.10
–38.20
–38.16
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–38.456dBm/6MHz
ACP-IBW
10d
B/
DI
V
0.3dBc
0.4dBc
–0.2dBc
–38.5dBm
–54.3dBc
–53.4dBc
–53.1dBc
–53.3dBc
–50
–60
–70
–80
–90
–100
–110
–120
–130
Figure 77. 128-Carrier Narrow-Band ACLR
C