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Appendix A Specifications for SCXI-1192
SCXI-1190/1191/1192 User Manual A-8 ni.com
SCXI-1192
Input Characteristics
Number of relays ....................................8
Number of channels per relay.................2
Common-mode voltage
Channel to earth...............................30 V
rms
or DC
Maximum switching voltage
DC....................................................30 VDC
Maximum carry current per channel
DC....................................................2 A
Maximum continuous input power per channel (continuous wave)
1–3 GHz...........................................120 W
3–8 GHz...........................................80 W
8–12.4 GHz......................................60 W
12.4–18 GHz....................................50 W
Contact on resistance (initial).................100 mΩ max
Contact material......................................Gold plate
RF Performance Characteristics
Characteristic impedance (Z
0
) ................50 Ω
Insertion loss at:
≤4GHz............................................≤0.2 dB
4to8GHz.......................................≤0.3 dB
8to12.4GHz..................................≤0.4 dB
12.4 to 18 GHz ................................≤0.5 dB
VSWR at:
≤1GHz............................................≤1.1
1to4GHz.......................................≤1.15
4to8GHz.......................................≤1.25