SCXI-1190 Datasheet, PDF (2/3 Pages) National Instruments Corporation – 4x1 unterminated multiplexer/50 characteristic impedance

Switch Specifications
Specifications (continued)
2
1.9
1.8
1.7
1.6
1.5
8x1
1.4
32x1
1.3
1.2
16x1
1.1
0
0
100 200 300 400 500 600 700 800
Frequency (MHz)
Input Characteristics
Maximum switching voltage............................ 150 V, CAT I
Maximum switching current ............................ 0.5 A (per channel)
Maximum carry current.................................... 1 A (per channel)
Simultaneous channels at maximum current
PXI-2593 ................................................... 2, maximum
SCXI-1193 .................................................. 4, maximum
DC path resistance
Initial ......................................................... <1.0 Ω
End of life .................................................. ≥2.0 Ω
900 1000
Dynamic Characteristics
Maximum scan rate ......................................... 100 operations/s
Expected relay life:
Mechanical ............................................... 5x10⁷ operations
Electrical .................................................... 3x10⁵ operations (30 V, 0.3 ADC resistive)
Physical Characteristics
Relay type......................................................... Electromechanical, latching
Relay contact material ..................................... Silver palladium and gold
Dimensions
PXI-2593..................................................... 10 by 16 by 4 cm (3.9 by 6.3 by 1.6 in.)
SCXI-1193 .................................................. 3.0 by 17.3 by 19.6 cm (1.2 by 6.7 by 7.6 in.)
I/O connectors
PXI-2593..................................................... 18 MCX jacks
SCXI-1193 .................................................. 36 MCX jacks
Trigger connectors............................................ 2 SMB jacks
Environment
Operating temperature..................................... 0 to 50 °C
Storage temperature ........................................ - 20 to 70 °C
Relative humidity ............................................. 5 to 85% noncondensing
Pollution degree ............................................... 2
Approved altitudes .......................................... Up to 2,000 m
Safety
This product is designed to meet the requirements of the following standards of safety for electrical
equipment for measurement, control and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 3111-1, UL 61010B-1
• CAN/CSA C22.2 No. 1010.1
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE Marking, as follows:
Low-voltage Directive (safety) .................. 73/23/EEC
Electromagnetic Compatibility
Directive (EMC).......................................... 89/336/EEC
SCXI-1190, PXI-2590
Input Characteristics
Number of channels per bank..........................
Number of banks
SCXI-1190 ..................................................
PXI-2590.....................................................
Input voltage
Channel-to-earth........................................
Maximum switching voltage
AC ............................................................
DC ............................................................
Maximum switching capacity per channel
AC ............................................................
DC ............................................................
Maximum switching power per channel .........
Contact resistance (initial) ...............................
Contact material...............................................
4
4
1
24 VDC
24 V_rms
24 VDC
1 A_rms at 24 V_rms
1 A at 24 VDC
24 W
100 mΩ maximum
Gold-clad silver
RF Performance Characteristics
Characteristic impedance (Z₀ ).........................
Insertion loss
100 MHz ....................................................
500 MHz ....................................................
1.3 GHz ......................................................
2 GHz .........................................................
VSWR
100 MHz ....................................................
500 MHz ...................................................
1.3 GHz ......................................................
2 GHz .........................................................
Isolation
500 MHz ....................................................
1.3 GHz ......................................................
2 GHz .........................................................
Rise time ..........................................................
Signal delay......................................................
Maximum RF carry power at 900 MHz............
50 Ω
<0.4 dB
<0.9 dB
<1.5 dB
<3 dB
<1.15
<1.35
<1.5
<2.5
>60 dB
>50 dB
>30 dB
<300 ps
<3 ns
10 W
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)................................. 5x10⁶ operations
Electrical at maximum switching capacity 10⁵ operations
Caution: Exceeding the maximum switching capability decreases expected life.
Power Requirement
+5 VDC ............................................................ 600 mA maximum (all relays closed)
Physical
Dimensions
SCXI-1190 .................................................. 17.3 by 19.6 by 3.0 cm (6.81 by 7.70 by 1.19 in.)
PXI-2590..................................................... 10 by 16 by 4 cm (3.9 by 6.3 by 1.6 in.)
I/O connectors .................................................. 5 SMB female per bank
Environment
Operating temperature..................................... 0 to 50 °C
Storage temperature ........................................ - 20 to 70 °C
Relative humidity ............................................. 5 to 85% noncondensing
Pollution degree ............................................... 2
Approved altitudes .......................................... Up to 2,000 m
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