National Instruments 1191 用户手册
Appendix A
Specifications for SCXI-1192
© National Instruments Corporation
A-9
8 to 12.4 GHz
.................................. ≤1.35
12.4 to 18 GHz
................................ ≤1.5
Isolation:
≤1 GHz............................................ ≤–85 dB
1 to 4 GHz
1 to 4 GHz
....................................... ≤–80 dB
4 to 8 GHz
....................................... ≤–70 dB
8 to 12.4 GHz
.................................. ≤–65 dB
12.4 to 18 GHz
................................ ≤–60 dB
Note
Refer to the cautions and warning in Chapter 2,
, for important
information about using your SCXI-1192 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 5 W
............................. 5 × 10
6
operations (to 3 GHz,
50
Ω, VSWR max 1.2)
Caution
Exceeding these electrical parameters decreases the expected life of the
SCXI-1192.
Power Requirement
+5 VDC
Maximum (simultaneous
transition of all relays) .................... 800 mA
transition of all relays) .................... 800 mA
Physical
Dimensions............................................. 17.30 by 19.56 by 3.02 cm
(6.81 by 7.70 by 1.19 in.)
I/O connector.......................................... 3 SMA female per relay
8 relays