National Instruments 1191, User Manual, Page: 33 / 54

Appendix A Specifications for SCXI-1190
SCXI-1190/1191/1192 User Manual A-2 ni.com
RF Performance Characteristics
Characteristic impedance (Z
0
) ................50
Ω
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