Datasheet

A
*
*
*
CLRW R
RBW 30 k H z
VBW 300 k H z
SWT 2 sAtt 10 d B*
1 R M
NO
*Ref -11 . 8 dB m
Cen t e r 3 0 MH z Spa n 2 5 MHz2.5 M Hz/
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
T x Ch an ne l W -C DM A 3G PP FW D
B an dw id th 3 .8 4 M H z
P o w e r - 7 . 3 2 d B m
A dj ac en t Ch an ne l
B an dw id th 3 .8 4 M H z
L o w e r - 8 0 . 4 0 d B
S pa ci ng 5 M Hz
U p p e r - 7 9 . 2 0 d B
A lt er na te C ha nn e l
B an dw id th 3 .8 4 M H z
L o w e r - 8 2 . 9 6 d B
S pa ci ng 1 0 M H z
U p p e r - 8 2 . 8 8 d B
R
A
Ref -1 2 . 9 d B m
*
*
*
CLRW R
RBW 30 k H z
VBW 300 k H z
SWT 2 sAtt 5 d B*
1 R M
NOR
*
Cen t e r 1 8 3 .6 MHz Spa n 2 5 MHz2.5 M Hz /
-11 0
-10 0
-90
-80
-70
-60
-50
-40
-30
-20
T x C h a nn e l W -C D M A 3 G P P F W D
B an dw i dt h 3 . 8 4 M H z
P o w e r - 8 . 8 7 d B m
A dj a c e nt C h an n e l
B an dw i dt h 3 . 8 4 M H z
L o w e r - 7 2 . 7 5 d B
S pa ci n g 5 M H z
U p p e r - 7 2 . 6 7 d B
A lt e r n at e C ha n n e l
B an dw i dt h 3 . 8 4 M H z
L o w e r - 7 6 . 5 0 d B
S pa ci n g 10 MH z
U p p e r - 7 6 . 7 6 d B
www.ti.com Optional Configurations
4 Optional Configurations
4.1 DAC Output
To view the performance of the DAC by itself, move jumpers R153, R137, R156, R155 to location R136,
R135, R134, R109. The DAC can be monitored at connectors J3 and J1 from the output of the
transformers. The DAC-output-only performance is shown in Figure 9 and Figure 10.
Figure 9. WCDMA ACPR (DAC Ch. B): DAC Clk = 614.4 MHz, 2× Int, 30-MHz Offset
Figure 10. WCDMA ACPR (DAC Ch. B): DAC Clk = 614.4 MHz, 2× Int, f
S
/4 Mixing, 30-MHz
Offset; 183.6-MHz IF
9
SLAU304C–February 2010–Revised November 2010 DAC3282
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