Datasheet
Data Sheet AD9737A/AD9739A
Rev. | Page 37 of 64
32-CARRIER DOCSIS PERFORMANCE (NORMAL MODE)
I
OUTFS
= 20 mA, f
DAC
= 2.4576 GSPS, nominal supplies, T
A
= 25°C, unless otherwise noted.
09616-201
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–29.645dBm
–64.167dB
–59.423dB
–62.750dB
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–29.646dBm
–64.175dB
–59.429dB
–62.750dB
f
f
f
f
1
1
1
1
1
2
3
4
X
N
Δ1
Δ1
Δ1
MODEMKR SCLTRC
384.70MHz
–283.40MHz
227.70MHz
325.55MHz
–52
–62
–72
–82
–92
–102
–112
–122
–132
1
4Δ1
2Δ1
3Δ1
Figure 140. Low Band Wideband ACLR
09616-202
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–30.335dBm
–63.112dB
–63.860dB
–62.151dB
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–30.335dBm
–63.136dB
–63.860dB
–62.151dB
f
f
f
f
1
1
1
1
1
2
3
4
X
N
Δ1
Δ1
Δ1
MODEMKR SCLTRC
685.5MHz
–611.15MHz
–243.50MHz
162.15MHz
–52
–62
–72
–82
–92
–102
–112
–122
–132
2Δ1
3Δ1
1
4Δ1
Figure 141. Mid Band Wideband ACLR
09616-203
10dB/DIV
VBW 2kHz
STOP 1GHz
SWEEP 24.1s (1001pts)
START 50MHz
#RES BW 20kHz
FUNCTION
VALUE
FUNCTION
WIDTHFUNCTION
–31.516dBm
–59.997dB
–60.535dB
–57.763dB
6MHz
6MHz
6MHz
6MHz
BAND POWER
BAND POWER
BAND POWER
BAND POWER
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
(Δ)
Y
–31.516dBm
–59.997dB
–60.458dB
–57.761dB
f
f
f
f
1
1
1
1
1
2
3
4
X
N
Δ1
Δ1
Δ1
MODEMKR SCLTRC
985.10MHz
–334.70MHz
–909.45MHz
–373.65MHz
–52
–62
–72
–82
–92
–102
–112
–122
–132
1
3Δ1
4Δ1
2Δ1
Figure 142. High Band Wideband ACLR
09616-204
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 386MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–61.86
–65.40
–64.76
–64.50
–64.40
dBm
–91.78
–95.32
–94.68
–94.42
–94.32
LOWER
dBc
–10.67
–0.431
–0.070
–0.011
0.116
dBm
–40.59
–30.35
–29.99
–29.93
–29.80
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 –29.920dBm/6MHz ACP-IBW
10dB/DIV
0.1dBc 0.0dBc
–0.1dBc
–0.4dBc –29.9dBm
–65.4dBc
–64.8dBc –64.4dBc
–64.5dBc
–44
–54
–64
–74
–84
–94
–104
–114
–124
Figure 143. Low Band Narrow-Band ACLR
09616-205
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 200MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–10.78
–0.487
–0.175
–0.151
–0.061
dBm
–40.09
–29.80
–29.49
–29.46
–29.37
LOWER
dBc
–58.76
–63.30
–63.05
–63.21
–64.46
dBm
–88.07
–92.61
–92.36
–92.52
–92.78
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 –29.311dBm/6MHz ACP-IBW
10dB/DIV
–63.2dBc –63.1dBc –63.3dBc –29.3dBm –0.5dBc –0.2dBc –0.1dBc–0.2dBc
–44
–54
–64
–74
–84
–94
–104
–114
–124
–63.5dBc
Figure 144. Mid Band Narrow-Band ACLR (Worse Side)
09616-206
SPAN 54MHz
SWEEP 1.49s
VBW 3kHz
CENTER 800MHz
#RES BW 30kHz
UPPER
FILTER
OFF
OFF
OFF
OFF
OFF
dBc
–10.84
–0.437
–0.354
–0.455
–0.410
dBm
–41.59
–31.18
–31.10
–31.20
–31.16
LOWER
dBc
–60.75
–63.18
–62.76
–62.74
–62.84
dBm
–91.49
–93.92
–93.50
–93.48
–93.59
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 –30.746dBm/6MHz ACP-IBW
10dB/DIV
–62.7dBc –62.8dBc –63.2dBc
–30.7dBm –0.4dBc –0.4dBc –0.4dBc–0.5dBc
–44
–54
–64
–74
–84
–94
–104
–114
–124
–62.8dBc
Figure 145. High Band Narrow-Band ACLR
C