Datasheet

AD9737A/AD9739A Data Sheet
Rev. | Page 20 of 64
ONE-CARRIER DOCSIS PERFORMANCE (NORMAL MODE)
I
OUTFS
= 20 mA, f
DAC
= 2.4576 GSPS, nominal supplies, T
A
= 25°C, unless otherwise noted.
09616-141
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–10.238dBm
–74.467dB
–77.224dB
–78.437dB
–67.413dB
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
–10.238dBm
–74.467dB
–77.224dB
–78.437dB
–67.413dB
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
199.50MHz
399.95MHz
599.45MHz
413.25MHz
–30
–40
–50
–60
–70
–80
–90
–100
–110
4Δ1
1
2Δ1
3Δ1
5Δ1
Figure 42. Low Band Wideband ACLR
09616-142
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–11.538dBm
–74.399dB
–74.344dB
–68.472dB
–66.197dB
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
–11.538dBm
–74.421dB
–76.294dB
–68.472dB
–66.156dB
f
f
f
f
f
1
1
1
1
1
1
2
3
4
5
X
N
Δ1
Δ1
Δ1
Δ1
MODEMKR SCLTRC
550.65MHz
–487.35MHz
125.40MHz
253.65MHz
62.70MHz
–30
–40
–50
–60
–70
–80
–90
–100
–110
3Δ1
2Δ1
1
4Δ1
5Δ1
Figure 43. Mid Band Wideband ACLR
09616-143
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START
50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–14.446dBm
–60.856dB
–66.013dB
–68.697dB
–63.533dB
–68.162dB
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
–14.418dBm
–60.856dB
–66.000dB
–68.751dB
–63.533dB
–66.162dB
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
948.70MHz
–393.30MHz
–553.85MHz
–612.75MHz
–335.35MHz
–57.95MHz
–30
–40
–50
–60
–70
–80
–90
–100
–110
3Δ1
5Δ1
4Δ1
2Δ1
6Δ1
1
Figure 44. High Band Wideband ACLR
09616-144
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 200MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–57.47
–79.87
–78.96
–78.69
–78.68
dBc
–58.34
–79.27
–78.44
–78.59
–78.41
dBm
–67.70
–90.10
–89.19
–88.92
–88.90
LOWER
dBm
–68.57
–89.50
–88.66
–88.82
–88.63
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 –10.226dBm/6MHz ACP-IBW
10dB/DIV
–30
–40
–50
–60
–70
–80
–90
–100
–110
–78.4dBc
–78.6dBc –78.4dBc
–79.3dBc –10.2dBm
–79.9dBc –79.0dBc
–78.7dBc–78.7dBc
Figure 45. Low Band Narrow-Band ACLR
09616-145
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 550MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–60.92
–74.14
–74.68
–74.91
–75.34
dBc
–59.37
–74.02
–74.53
–75.00
–75.97
dBm
–73.03
–86.25
–86.79
–87.01
–87.44
LOWER
dBm
–71.48
–86.12
–86.63
–87.11
–88.08
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 –12.104dBm/6MHz ACP-IBW
10dB/DIV
–30
–40
–50
–60
–70
–80
–90
–100
–110
–76.0dBc –75.0dBc –74.5dBc –74.0dBc –12.1dBm –74.1dBc –74.7dBc –75.3dBc–78.9dBc
Figure 46. Mid Band Narrow-Band ACLR
09616-146
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 950MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–61.30
–69.39
–70.50
–71.02
–71.75
dBc
–57.84
–69.02
–70.01
–70.89
–71.94
dBm
–74.89
–82.98
–84.09
–84.61
–85.34
LOWER
dBm
–71.43
–82.61
–83.60
–84.48
–85.53
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 –13.589dBm/6MHz ACP-IBW
10dB/DIV
–30
–40
–50
–60
–70
–80
–90
–100
–110
–71.9dBc –70.9dBc –70.0dBc
–69.0dBc –13.6dBm –69.4dBc –70.5dBc –71.7dBc–71.0dBc
Figure 47. High Band Narrow-Band ACLR
C