National Instruments 1191 用户手册
Chapter 2
Using the SCXI-119X
© National Instruments Corporation
2-9
Figure 2-7 shows one possible expansion using two SCXI-1192 modules.
In this case, the switches on two SCXI-1192 modules are interconnected to
create a 2
In this case, the switches on two SCXI-1192 modules are interconnected to
create a 2
× 4 matrix. Multiple configurations are possible using one or
more SCXI-1192 modules.
Note
Cascading switches increases insertion loss, creates propagations delays, and can
have other RF effects.
Figure 2-7. Expanding the SCXI-1192
Instrument
1
Switch 0
Switch 1
Switch 2
Switch 3
Instrument
2
Switch 4
Switch 5
Switch 6
Switch 7
Switch
0
Switch
1
Switch
2
Switch
3
Switch
4
Switch
5
Switch
6
Switch
7
RF
Source 1
RF
Source 2
RF
Source 3
RF
Source 4
com B
0B
1B