Appendix A Specifications for SCXI-1190
SCXI-1190/1191 User Manual A-2 www.ni.com
RF Performance CharacteristicsCharacteristic impedance (Z0)................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 Chapter2, Using the SCXI-119X, for important
information about using your SCXI-1190 with high-power signals.
Dynamic CharacteristicsRelay operate time (at 20 °C)
Typical.............................................15 ms
Relay release time (at 20 °C)
Typical.............................................15 ms
Expected life
Mechanical (no load).......................5 × 106 operations
Electrical at maximum
switching capacity...........................105 operations