Datasheet

AD9737A/AD9739A Data Sheet
Rev. | Page 36 of 64
16-CARRIER DOCSIS PERFORMANCE (NORMAL MODE)
I
OUTFS
= 20 mA, f
DAC
= 2.4576 GSPS, nominal supplies, T
A
= 25°C, unless otherwise noted.
09616-195
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–25.335dBm
–66.838dB
–70.312dB
–65.928dB
–66.973dB
–64.451dB
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
–25.335dBm
–66.838dB
–70.421dB
–65.880dB
–67.033dB
–64.481dB
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
289.70MHz
202.05MHz
–183.65MHz
697.95MHz
18.70MHz
322.70MHz
–38
–48
–58
–68
–78
–88
–98
–108
–118
3Δ1
5Δ1
1
2Δ1
4Δ1
6Δ1
Figure 134. Low Band Wideband ACLR
09616-196
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–28.317dBm
–64.672dB
–65.207dB
–64.574dB
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–28.317dBm
–64.672dB
–65.202dB
–64.574dB
f
f
f
f
1
1
1
1
1
2
3
4
X
N
Δ1
Δ1
Δ1
MODEMKR SCLTRC
690.60MHz
–141.85MHz
–623.50MHz
152.65MHz
–38
–48
–58
–68
–78
–88
–98
–108
–118
1
2Δ1
4Δ1
3Δ1
Figure 135. Mid Band Wideband ACLR
09616-197
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–27.960dBm
–61.110dB
–63.332dB
–65.483dB
–62.779dB
–59.828dB
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
–27.971dBm
–61.110dB
–63.327dB
–65.509dB
–62.779dB
–59.858dB
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
989.85MHz
–422.10MHz
–922.75MHz
–668.15MHz
–137.10MHz
–377.45MHz
–38
–48
–58
–68
–78
–88
–98
–108
–118
3Δ1
5Δ1
4Δ1
6Δ1
1
2Δ1
Figure 136. High Band Wideband ACLR
09616-198
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 290MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–59.93
–70.37
–69.75
–69.75
–69.79
dBm
–84.76
–95.20
–94.57
–94.57
–94.62
LOWER
dBc
–10.83
–0.545
–0.099
–0.155
–0.041
dBm
–35.76
–25.37
–24.92
–24.98
–24.87
INTEG BW
750.0kHz
5.250MHz
6.000MHz
6.000MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER –24.824dBm/6MHz ACP-IBW
10dB/DIV
0.0dBc –0.2dBc –0.1dBc –0.5dBc
–24.8dBm –70.4dBc
–69.7dBc
–69.8dBc–69.7dBc
–44
–54
–64
–74
–84
–94
–104
–114
–124
Figure 137. Low Band Narrow-Band ACLR
09616-199
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 690MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–58.12
–67.47
–66.83
–66.80
–66.79
dBm
–84.92
–94.26
–93.62
–93.59
–93.58
LOWER
dBc
–11.17
–0.460
–0.049
–0.196
–0.366
dBm
–37.97
–27.25
–26.74
–26.60
–26.43
INTEG BW
750.0kHz
5.250MHz
6.000MHz
6.000MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER –26.792dBm/6MHz ACP-IBW
10dB/DIV
0.4dBc 0.2dBc
–44
–54
–64
–74
–84
–94
–104
–114
–124
0.0dBc –0.5dBc –26.8dBm –67.5dBc
–66.8dBc
–66.8dBc–66.8Bc
Figure 138. Mid Band Narrow-Band ACLR (Worse Side)
09616-200
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 900MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–11.30
–0.490
–0.119
–0.016
0.153
dBm
–39.73
–28.92
–28.55
–28.45
–28.28
LOWER
dBc
–57.24
–65.03
–64.64
–64.80
–64.86
dBm
–85.68
–93.46
–93.08
–93.24
–93.29
INTEG BW
750.0kHz
5.250MHz
6.000MHz
6.000MHz
6.000MHz
OFFSET FREQ
3.375MHz
6.375MHz
12.00MHz
18.00MHz
24.00MHz
CARRIER POWER –28.435dBm/6MHz ACP-IBW
10dB/DIV
–64.8dBc
–64.6dBc –65.0dBc –28.4dBm –0.5dBc –0.1dBc 0.2dBc0.0dBc
–44
–54
–64
–74
–84
–94
–104
–114
–124
–64.9dBc
Figure 139. High Band Narrow-Band ACLR
C