Appendix A Specifications for SCXI-1190
SCXI-1190/1191 User Manual A-2 www.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 dB
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
Expected life
Mechanical (no load).......................5 × 10
6
operations
Electrical at maximum
switching capacity ...........................10
5
operations
