Datasheet

Data Sheet AD9737A/AD9739A
Rev. | Page 21 of 64
FOUR-CARRIER DOCSIS PERFORMANCE (NORMAL MODE)
I
OUTFS
= 20 mA, f
DAC
= 2.4576 GSPS, nominal supplies, T
A
= 25°C, unless otherwise noted.
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
10dB/DIV
–30
–40
–50
–60
–70
–80
–90
–100
–110
09616-147
VBW 2kHz
1
2Δ1
5Δ1
3Δ1
4Δ1
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–18.419dBm
–69.277dB
–71.485dB
–72.343dB
–59.518dB
6MHz
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–18.419dBm
–69.252dB
–71.282dB
–72.100dB
–59.520dB
f
f
f
f
f
1
1
1
1
1
1
2
3
4
5
X
N
Δ1
Δ1
Δ1
Δ1
MODEMKR SCLTRC
200.10MHz
221.35MHz
431.30MHz
651.70MHz
413.25MHz
Figure 48. Low Band Wideband ACLR
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
10dB/DIV
–30
–40
–50
–60
–70
–80
–90
–100
–110
09616-148
VBW 2kHz
1
2Δ1
5Δ1
3Δ1
4Δ1
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–19.885dBm
–70.252dB
–69.581dB
–67.793dB
–58.085dB
6MHz
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–19.885dBm
–70.252dB
–69.535dB
–67.793dB
–58.085dB
f
f
f
f
f
1
1
1
1
1
1
2
3
4
5
X
N
Δ1
Δ1
Δ1
Δ1
MODEMKR SCLTRC
549.70MHz
–486.40MHz
126.35MHz
228.00MHz
63.65MHz
Figure 49. Mid Band Wideband ACLR
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
10dB/DIV
–40
–50
–60
–70
–80
–90
–100
–110
–120
09616-149
VBW 2kHz
1
2Δ1
5Δ1
6Δ1
3Δ1
4Δ1
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–21.676dBm
–62.206dB
–65.730dB
–67.064dB
–56.405dB
–65.729dB
6MHz
6MHz
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–21.631dBm
–62.206dB
–65.730dB
–67.064dB
–56.405dB
–65.729dB
f
f
f
f
f
f
1
1
1
1
1
1
1
2
3
4
5
6
X
N
Δ1
Δ1
Δ1
Δ1
Δ1
MODEMKR SCLTRC
950.60MHz
–415.15MHz
–529.15MHz
–610.85MHz
–337.25MHz
–59.85MHz
Figure 50. High Band Wideband ACLR
SPAN 54MHz
SWEEP 1.49s
CENTER 218MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–58.82
–73.28
–72.92
–73.50
–73.74
dBc
–10.82
–0.566
–0.123
–0.028
–53.18
dBm
–76.71
–91.17
–90.81
–91.39
–91.63
LOWER
dBm
–28.71
–18.46
–17.77
–17.86
–71.07
INTEG BW
750kHz
5.25kHz
6MHz
6MHz
6MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER –17.892dBm/6MHz ACP-IBW
10dB/DIV
–40
–50
–60
–70
–80
–90
–100
–110
–120
09616-150
VBW 3kHz
–53.2dBc 0dBc –73.5dBc–72.9dBc
–73.7dBc
0.1dBc –0.6dBc
–17.9dBc
–73.3dBc
Figure 51. Low Band Narrow-Band ACLR (Worse Side)
SPAN 54MHz
SWEEP 1.49s
CENTER 550MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–10.49
–0.526
–0.160
–0.024
–54.18
dBc
–58.29
–68.28
–68.47
–69.72
–70.64
dBm
–30.02
–20.06
–19.69
–19.56
–73.72
LOWER
dBm
–77.82
–87.81
–88.00
–89.25
–90.17
INTEG BW
750kHz
5.25kHz
6MHz
6MHz
6MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER –17.892dBm/6MHz ACP-IBW
10dB/DIV
–40
–50
–60
–70
–80
–90
–100
–110
–120
09616-151
VBW 3kHz
–70.6dBc
–69.7dBc 0dBc
–0.2dBc
–54.2dBc–68.5dBc
–68.3dBc
–19.5dBc
–0.5dBc
Figure 52. Mid Band Narrow-Band ACLR (Worse Side)
SPAN 54MHz
SWEEP 1.49s
CENTER 950MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–11.04
–0.437
–0.172
–0.098
–53.11
dBc
–59.52
–63.90
–64.29
–65.41
–66.57
dBm
–32.55
–21.95
–21.68
–21.41
–74.62
LOWER
dBm
–81.03
–85.41
–85.80
–86.92
–88.08
INTEG BW
750kHz
5.25kHz
6MHz
6MHz
6MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER –21.510dBm/6MHz ACP-IBW
10dB/DIV
–40
–50
–60
–70
–80
–90
–100
–110
–120
09616-152
VBW 3kHz
–66.6dBc –65.4dBc 0.1dBc–0.2dBc
–53.1dBc–64.3dBc –63.9dBc
–21.5dBm
–0.4dBc
Figure 53. High Band Narrow-Band ACLR (Worse Side)
C