
AD9737A/AD9739A
Data Sheet
Rev. | Page 34 of 64
FOUR-CARRIER DOCSIS PERFORMANCE (NORMAL MODE)
IOUTFS = 20 mA, fDAC = 2.4576 GSPS, nominal supplies, TA = 25°C, unless otherwise noted.
09616-
183
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–18.594dBm
–73.170dB
–73.621dB
–71.289dB
–68.946dB
6MHz
BAND POWER
(Δ)
Y
–18.593dBm
–73.198dB
–73.654dB
–71.306dB
–68.955dB
f
1
2
3
4
5
X
N
Δ1
MODE
MKR
SCL
TRC
200MHz
216.60MHz
400MHz
621.30MHz
413.25MHz
–40
–50
–60
–70
–80
–90
–100
–110
–120
4
Δ1
1
3
Δ1
2
Δ1
5
Δ1
Figure 122. Low Band Wideband ACLR
09616-
184
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–18.760dBm
–69.536dB
–71.601dB
–72.833dB
–75.320dB
–71.997dB
6MHz
BAND POWER
(Δ)
Y
–18.760dBm
–69.536dB
–71.601dB
–72.824dB
–75.786dB
–71.997dB
f
1
2
3
4
5
6
X
N
Δ1
MODE
MKR
SCL
TRC
667.80MHz
–192.20MHz
–98.15MHz
–614.00MHz
–567.45MHz
–55.40MHz
–38
–48
–58
–68
–78
–88
–98
–108
–118
2
Δ1
4
Δ1
5
Δ1
6
Δ1
3
Δ1
1
Figure 123. Mid Band Wideband ACLR
09616-
185
10d
B/
DI
V
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTH
FUNCTION
–21.029dBm
–60.683dB
–69.390dB
–71.847dB
–66.954dB
–68.889dB
6MHz
BAND POWER
(Δ)
Y
–20.040dBm
–60.683dB
–69.390dB
–71.954dB
–66.954dB
–68.889dB
f
1
2
3
4
5
6
X
N
Δ1
MODE
MKR
SCL
TRC
987.95MHz
–490.50MHz
–624.45MHz
–738.45MHz
–130.45MHz
–374.60MHz
–38
–48
–58
–68
–78
–88
–98
–108
–118
2
Δ1
3
Δ1
1
5
Δ1
6
Δ1
4
Δ1
Figure 124. High Band Wideband ACLR
09616-
186
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 210MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–58.78
–73.56
–75.42
–78.08
–79.06
dBm
–76.34
–91.12
–92.98
–95.64
–96.62
LOWER
dBc
–11.15
–0.454
–0.065
–0.091
–53.44
dBm
–28.70
–18.01
–17.62
–17.65
–70.99
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–17.556dBm/6MHz
ACP-IBW
10d
B/
DI
V
–53.4dBc
–0.1dBc
–0.5dBc
–17.6dBm
–73.6dBc
–75.4dBc
–79.1dBc
–78.1dBc
–37
–47
–57
–67
–77
–87
–97
–107
–117
Figure 125. Low Band Narrow-Band ACLR (Worse Side)
09616-
187
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 650MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–11.18
–0.294
–0.075
–0.145
–50.21
dBm
–30.68
–19.80
–19.58
–19.65
–69.71
LOWER
dBc
–61.84
–72.95
–74.99
–76.38
–76.59
dBm
–81.35
–92.45
–94.49
–95.89
–96.10
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–19.503dBm/6MHz
ACP-IBW
10d
B/
DI
V
–76.4dBc
–75.0dBc
–72.9dBc
–19.5dBm
–0.3dBc
–0.1dBc
–50.2dBc
–0.1dBc
–37
–47
–57
–67
–77
–87
–97
–107
–117
–76.6dBc
Figure 126. Mid Band Narrow-Band ACLR (Worse Side)
09616-
188
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 970MHz
#RES BW 30kHz
UPPER
FILTER
OFF
dBc
–10.77
–0.522
–0.140
–0.511
–52.31
dBm
–31.44
–21.19
–20.81
–21.18
–72.98
LOWER
dBc
–60.65
–68.68
–70.67
–72.96
–74.22
dBm
–81.32
–89.34
–91.33
–93.63
–94.89
INTEG BW
750.0kHz
5.250MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER
–20.666dBm/6MHz
ACP-IBW
10d
B/
DI
V
–73.0dBc
–70.7dBc
–68.7Bc
–20.7dBm
–0.5dBc
–0.1dBc
–52.3dBc
–0.5dBc
–37
–47
–57
–67
–77
–87
–97
–107
–117
–74.2dBc
Figure 127. High Band Narrow-Band ACLR
C