Datasheet

Data Sheet AD9737A/AD9739A
Rev. | Page 23 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.
09616-159
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–26.391dBm
–64.927dB
–65.369dB
–51.688dB
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–26.390dBm
–64.811dB
–65.150dB
–51.688dB
f
f
f
f
1
1
1
1
1
2
3
4
X
N
Δ1
Δ1
Δ1
MODEMKR SCLTRC
160.20MHz
80.75MHz
232.75MHz
452.20MHz
–50
–60
–70
–80
–90
–100
–110
–120
–130
1
2Δ1
3Δ1
4Δ1
Figure 60. Low Band Wideband ACLR
09616-160
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–27.503dBm
–63.639dB
–62.631dB
–63.408dB
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–27.503dBm
–63.639dB
–62.748dB
–63.408dB
f
f
f
f
1
1
1
1
1
2
3
4
X
N
Δ1
Δ1
Δ1
MODEMKR SCLTRC
549.70MHz
–486.40MHz
126.35MHz
254.60MHz
–50
–60
–70
–80
–90
–100
–110
–120
–130
2Δ1
1
3Δ1
4Δ1
Figure 61. Mid Band Wideband ACLR
09616-161
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–28.493dBm
–60.066dB
–61.070dB
–61.014dB
–49.417dB
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
–28.493dBm
–60.066dB
–61.070dB
–61.014dB
–49.417dB
f
f
f
f
f
1
1
1
1
1
1
2
3
4
5
X
N
Δ1
Δ1
Δ1
Δ1
MODEMKR SCLTRC
899.30MHz
–343.90MHz
–504.45MHz
–563.35MHz
–285.95MHz
–50
–60
–70
–80
–90
–100
–110
–120
–130
4Δ1
3Δ1
5Δ1
2Δ1
1
Figure 62. High Band Wideband ACLR
09616-162
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 160MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–61.30
–65.24
–63.93
–64.07
–64.08
dBm
–87.55
–91.49
–90.18
–90.32
–90.33
LOWER
dBc
–10.95
–0.314
–0.166
–0.125
–0.034
dBm
–37.20
–26.56
–26.42
–26.38
–26.28
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 –25.250dBm/6MHz ACP-IBW
10dB/DIV
0.0dBc –0.1dBc –0.2dBc –0.3dBc –26.3dBm –65.2dBc –63.9dBc –64.1dBc–64.1dBc
–50
–60
–70
–80
–90
–100
–110
–120
–130
Figure 63. Low Band Narrow-Band ACLR
09616-163
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 640MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–60.24
–63.87
–62.76
–63.08
–63.33
dBm
–87.62
–91.26
–90.15
–90.46
–90.72
LOWER
dBc
–11.65
–0.239
–0.199
–0.282
–0.288
dBm
–39.04
–27.63
–27.19
–27.10
–27.10
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 –27.386dBm/6MHz ACP-IBW
10dB/DIV
0.3dBc 0.3dBc 0.2dBc
–0.2dBc –27.4dBm –63.9dBc –62.8dBc
–63.3dBc–63.1dBc
–45
–55
–65
–75
–85
–95
–105
–115
–125
Figure 64. Mid Band Narrow-Band ACLR (Worse Side)
09616-164
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 900MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–11.14
–0.446
–0.271
–0.318
–0.147
dBm
–39.25
–28.56
–28.38
–28.43
–28.26
LOWER
dBc
–58.27
–61.84
–61.30
–62.11
–62.66
dBm
–86.38
–89.95
–89.42
–90.22
–90.77
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 –28.112dBm/6MHz ACP-IBW
10dB/DIV
–62.7dBc –62.1dBc –61.3dBc 61.8dBc
–28.1dBm ––0.4dBc
–0.3dBc –0.1dBc–0.3dBc
–45
–55
–65
–75
–85
–95
–105
–115
–125
Figure 65. High Band Narrow-Band ACLR
C