©
National Instruments Corporation
15
NI 6583R User Guide and Specifications
Differential Accessories
The NI SMA-2164 test fixture is a breakout box for differential signals. This fixture provides an easy
way to connect to other devices for testing and debugging. For more information about using the
NI SMA-2164, refer to the
NI SMA-2164 User Guide
.
Figure 11 shows how to connect the differential DDC B connector to the NI SMA-2164 using the
NI SHB12X-B12X cable.
Figure 11.
Connecting the NI SMA-2164 Accessory
1
PXI/PXI Expre
ss
Ch
ass
i
s
with
a
n NI 65
83
R
2
NI
S
HB12-B12X C
ab
le
3
NI
S
MA-2164
NI PXI-6561
100 MHz LVDS DIO
DIGIT
AL D
A
T
A
& CONTR
O
L
ACCESS
ACTIVE
1
2
NI PXI-1042
3
STR
OBE
CLK_L
VPECL
+
+
IO_3
+
–
IO_7
IO_10
I
IO_6
IO_11
IO_13
MADE IN U
.S
.A.
IO_15
ASSY1
9
2
5
3
3
A-
0
1
+
–
+
–
+
+
+
–
–
+
–
–
–
–
IO
_
1
2
–
–
+
+
–
+
IO_4
IO_5
IO_8
IO_2
IO_9
–
+
–
+
+
–
IO_1
+
–
–
+
+
PFI_3
CLK_L
VDS
+
PFI_2
+
–
+
–
PFI_1
VO
S
VO
S
VO
S
VO
S
VO
S
VO
S
VO
S
VO
S
VO
S
VO
S
VO
S
IO_0
VO
S
VO
S
–
+
S/
N
–
VO
S
VO
S
–
VO
S
VO
S
VO
S
VO
S
VO
S
VO
S
61
70
40
49
19
31
10
73
64
67
52
55
58
43
46
34
37
22
25
28
13
16
1
4
7
1
VO
S
NI SMA-2164
DIFFERENTIAL
DIGIT
A
L I/O A
CCESSOR
Y
FOR P
A
TENTS:
NI.COM/P
A
T
ENTS
© COPYRIGHT 2005
DIGIT
A
L D
A
T
A
& CONTR
O
L