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Chapter 2 Using the SCXI-119X
SCXI-1190/1191/1192 User Manual 2-8 ni.com
Expanding the RF Multiplexer
Figure 2-6 shows how to expand the SCXI-1190/1191 by cascading stages
together. In the specific case of Figure 2-6, the module is used to create a
13-to-1 multiplexer with a two-stage architecture. You can cascade several
modules to provide even larger multiplexers.
Note
Cascading multiplexers increases insertion loss, creates propagation delays, and can
have other RF effects.
Figure 2-6. Expanding the SCXI-1190/1191
comA
3A
2A
1A
0A
MUX
A
comC
3C
2C
1C
0C
MUX
C
comD
3D
2D
1D
0D
MUX
D
comB
3B
2B
1B
0B
MUX
B