AppendixA Specificationsfor SCXI-1192
SCXI-1190/1191/1192User Manual A-8 ni.com
SCXI-1192Input Characteristics
Numberof relays ....................................8
Numberof channels per relay .................2
Common-mode voltage
Channelto earth ...............................30Vrms or DC
Maximum switching voltage
DC....................................................30VDC
Maximum carry current per channel
DC....................................................2A
Maximum continuous input power per channel (continuous wave)
1–3G Hz...........................................120W
3–8G Hz...........................................80W
8–12.4GHz......................................60 W
12.4–18GHz....................................50 W
Contact on resistance (initial).................100 mΩ max
Contactmaterial ......................................Goldplate
RF Performance Characteristics
Characteristicimpedance (Z0) ................50 Ω
Insertion loss at:
≤4GHz............................................≤0.2dB
4to8GHz.......................................≤0.3 dB
8to12.4GHz..................................≤0.4dB
12.4 to 18 GHz................................≤0.5 dB
VSWR at:
≤1GHz............................................≤1.1
1to4GHz.......................................≤1.15
4to8GHz.......................................≤1.25