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 m
Ω
max
Contact material......................................Gold plate
RF Performance Characteristics
Characteristic impedance (Z
0
) ................50
Ω
Insertion loss at:
≤
4 GHz
............................................≤
0.2 dB
4 to 8 GHz
.......................................≤
0.3 dB
8 to 12.4 GHz
..................................≤
0.4 dB
12.4
to
18
GHz
................................≤
0.5 dB
VSWR at:
≤
1 GHz
............................................≤
1.1
1 to 4 GHz
.......................................≤
1.15
4 to 8 GHz
.......................................≤
1.25
