National Instruments 1191 Switch User Manual


 
Appendix A Specifications for SCXI-1190
SCXI-1190/1191/1192 User Manual A-2 ni.com
RF Performance Characteristics
Characteristic impedance (Z
0
) ................50
Insertion loss at:
100 MHz........................................<0.4 dB
500 MHz........................................<0.9 dB
1.3 GHz .........................................<1.5 dB
≤2 GHz ............................................<3 dB
VSWR at:
100 MHz........................................<1.15
500 MHz........................................<1.35
1.3 GHz .........................................<1.5
≤2 GHz ............................................<2.5
Isolation:
500 MHz........................................<62 dB
1.3 GHz .........................................<50 dB
≤2 GHz ............................................<30 dB
Rise time.................................................<300 ps
Signal delay ............................................<3 ns
Maximum RF carry power
at 900 MHz.............................................10 W
Note
Refer to the cautions and warning in Chapter 2, Using the SCXI-119X, for important
information about using your SCXI-1190 with high-power signals.
Dynamic Characteristics
Relay operate time (at 20 °C)
Typical.............................................15 ms
Relay release time (at 20 °C)
Typical.............................................15 ms