AD9737A/AD9739A
Data Sheet
Rev. | Page 28 of 64
AC (NORMAL MODE)
IOUTFS = 20 mA, nominal supplies, TA = 25°C, unless otherwise noted.
VBW 10kHz
10d
B/
DI
V
STOP 2.4GHz
START 20MHz
09616-
007
Figure 89. Single-Tone Spectrum at fOUT = 91 MHz, fDAC = 2.4 GSPS
fOUT (MHz)
S
F
DR
(
d
Bc)
30
35
40
45
50
55
60
65
70
75
80
0
100 200 300 400 500 600 700 800 900 1000 1100 1200
1.6GSPS
1.2GSPS
2.4GSPS
2.0GSPS
09616-
008
Figure 90. SFDR vs. fOUT over fDAC
NS
D
(
d
Bm/
Hz
)
–170
–168
–166
–164
–162
–160
–158
–156
–154
–152
–150
1.2GSPS
2.4GSPS
fOUT (MHz)
0
100 200 300 400 500 600 700 800 900 1000 1100 1200
09616-
009
Figure 91. Single-Tone NSD vs. fOUT
VBW 10kHz
10d
B/
DI
V
STOP 2.4GHz
START 20MHz
09616-
010
Figure 92. Single-Tone Spectrum at fOUT = 1091 MHz, fDAC = 2.4 GSPS
fOUT (MHz)
IM
D
(
d
Bc)
30
0
100 200 300 400 500 600 700 800 900 1000
35
40
45
50
55
60
65
70
75
80
85
90
95
100
1100 1200
1.2GSPS
1.6GSPS
2.0GSPS
2.4GSPS
09616-
0
1
Figure 93. IMD vs. fOUT over fDAC
fOUT (MHz)
NS
D
(
d
Bm/
Hz
)
0
100 200 300 400 500 600 700 800 900 1000 1100 1200
–170
–169
–168
–167
–166
–165
–164
–163
–162
–161
–160
2.4GSPS
1.2GSPS
09616-
012
Figure 94. Eight-Tone NSD vs. fOUT
C