AD9737A/AD9739A
Data Sheet
Rev. | Page 38 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-
219
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–33.209dBm
–58.804dB
–55.165dB
6MHz
BAND POWER
(Δ)
Y
–33.210dBm
–58.746dB
–55.165dB
f
1
2
3
X
N
Δ1
MODE
MKR
SCL
TRC
478.75MHz
372.10MHz
132.70MHz
–52
–62
–72
–82
–92
–102
–112
–122
–132
1
3
Δ1
2
Δ1
Figure 146. 64-Carrier Low Band Wideband ACLR
09616-
220
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–35.873dBm
–58.625dB
–59.286dB
6MHz
BAND POWER
(Δ)
Y
–35.872dBm
–58.5816dB
–59.214dB
f
1
2
3
X
N
Δ1
MODE
MKR
SCL
TRC
978.45MHz
–901.85MHz
–561.75MHz
–52
–62
–72
–82
–92
–102
–112
–122
–132
1
2
Δ1
3
Δ1
Figure 147. 64-Carrier High Band Wideband ACLR
09616-
221
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–35.495dBm
–55.328dB
–37.545dBm
6MHz
BAND POWER
(Δ)
Y
–35.495dBm
–55.328dB
–37.544dBm
f
1
2
3
X
N
Δ1
1
MODE
MKR
SCL
TRC
69.00MHz
855.95MHz
831.85MHz
–50
–60
–70
–80
–90
–100
–110
–120
–130
1
3
2
Δ1
Figure 148. 128-Carrier Wideband ACLR
09616-
222
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 478MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–60.80
–62.25
–61.47
–61.54
–61.40
dBm
–93.21
–94.66
–93.88
–93.95
–93.81
LOWER
dBc
–10.83
–0.267
0.139
0.201
0.308
dBm
–43.24
–32.68
–32.27
–32.21
–32.10
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–32.409dBm/6MHz
ACP-IBW
10d
B/
DI
V
0.3dBc
0.2dBc
0.1dBc
–0.3dBc
–32.4dBm
–62.3dBc
–61.5dBc
–61.4dBc
–61.5dBc
–51
–61
–71
–81
–91
–101
–111
–121
–131
Figure 149. 64-Carrier Low Band Narrow-Band ACLR
09616-
223
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 600MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–11.48
–0.284
0.099
0.221
0.060
dBm
–45.04
–33.84
–33.46
–33.34
–33.50
LOWER
dBc
–60.02
–61.11
–60.57
–60.64
–60.58
dBm
–93.58
–94.66
–94.13
–94.20
–94.14
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–33.558dBm/6MHz
ACP-IBW
10d
B/
DI
V
–60.6dBc
–61.1dBc
–33.6dBm
–0.3dBc
–0.1dBc
0.1dBc
0.2dBc
–51
–61
–71
–81
–91
–101
–111
–121
–131
Figure 150. 64-Carrier High Band Narrow-Band ACLR
09616-
224
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 832MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–59.34
–57.70
–56.56
–56.49
–56.35
dBm
–96.67
–95.03
–93.89
–93.82
–93.69
LOWER
dBc
–10.77
–0.277
0.318
0.328
0.337
dBm
–48.10
–37.61
–37.01
–37.00
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–37.33dBm/6MHz
ACP-IBW
10d
B/
DI
V
0.3dBc
–0.3dBc
–37.3dBm
–57.7dBc
–56.6dBc
–56.4dBc
–56.5dBc
–50
–60
–70
–80
–90
–100
–110
–120
–130
Figure 151. 128-Carrier Narrow-Band ACLR
C