Switch Specifications
Specifications
Specifications
(continued)
SCXI-1191, PXI-2591
Input Characteristics
Number of channels per bank .........................
Number of banks..............................................
SCXI-1191 ..................................................
PXI-2591.....................................................
Input voltage
Channel-to-ground.....................................
Maximum switching voltage
AC ............................................................
DC ............................................................
Maximum switching capacity per channel
AC. ............................................................
DC ............................................................
Maximum switching power per channel .........
Contact on resistance (initial) ..........................
Contact material ..............................................
4
4
4
1
30 V
rms
/VDC
30 V
rms
30 VDC
0.33 A at 30 V
rms
0.33 A at 30 VDC
10 W
200 mΩ maximum
Gold
The total input power for all relays combined should not exceed the preceding specifications.
When using multiple relays, refer to table below for adjusted maximum input power
Active Relays
1
2
4
8
1 to 3 GHz
120 W
60 W
30 W
15 W
3 to 8 GHz
80 W
40 W
20 W
10 W
8 to 12.4 GHz
60 W
30 W
15 W
7.5 W
12.4 to 18 GHz
50 W
25 W
12.5 W
6.25 W
Contact resistance (initial) ............................... 100 mΩ maximum
Contact material............................................... Gold plate
RF Performance Characteristics
Characteristic impedance (Z0) .........................
Insertion loss at:
≤4
GHz .......................................................
4 to 8 GHz ..................................................
8 to 12.4 GHz .............................................
12.4 GHz to 18 GHz ...................................
VSWR at:
≤1
GHz .......................................................
1 to 4 GHz ..................................................
4 to 8 GHz ..................................................
8 to 12.4 GHz .............................................
12.4 to 18 GHz ...........................................
Isolation:
≤1
GHz .......................................................
1 to 4 GHz ..................................................
4 to 8 GHz ..................................................
8 to 12.4 GHz .............................................
12.4 to 18 GHz ...........................................
50
Ω
≤0.2
dB
≤0.3
dB
≤0.4
dB
≤0.5
dB
≤1.1
≤1.15
≤1.25
≤1.35
≤1.5
≥85
dB
≥80
dB
≥70
dB
≥65
dB
≥60
dB
RF Performance Characteristics
Characteristic impedance (Z0 ) ........................
Insertion loss
2.5 GHz ......................................................
4 GHz .........................................................
VSWR
2.5 GHz ......................................................
4 GHz .........................................................
Isolation
2.5 GHz ......................................................
4 GHz .........................................................
Maximum RF carry power at 900 MHz............
50
Ω
<0.6 dB
<0.9 dB
<1.3
<1.5
>60 dB
>55 dB
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)................................. 5x10
6
operations
Electrical at 5 W........................................ 5x10
6
operations (to 3 GHz, 50
Ω,
VSWR maximum 1.2)
Caution: Exceeding these electrical parameters decreases expected life.
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)................................. 5x10
6
operations
Electrical (maximum switching capacity).. 10
5
operations
Caution: Exceeding the maximum switching capability decreases expected life.
Power Requirement
+5 VDC ............................................................ 800 mA, maximum
Power Requirement
+5 VDC ........................................................... 950 mW maximum (all relays closed)
Physical
Dimensions....................................................... 17.3 by 19.6 by 3.0 cm (6.81 by 7.70 by 1.19 in.)
I/O connector.................................................... 24 SMA female
Physical
Dimensions
SCXI-1191 .................................................. 17.3 by 19.6 by 3.0 cm (6.81 by 7.70 by 1.19 in.)
PXI-2591..................................................... 10 by 16 by 4 cm (3.9 by 6.3 by 1.6 in.)
I/O connector.................................................... 5 SMA female per bank
Environment
Operating temperature..................................... 0 to 50 °C
Storage temperature ........................................ -20 to 70 °C
Relative humidity ............................................. 5 to 85% noncondensing
Environment
Operating temperature..................................... 0 to 50 °C
Storage temperature ........................................ -20 to 70 °C
Relative humidity ............................................. 5 to 85% noncondensing
SCXI-1163R
Input Characteristics
Number of relays..............................................
Relay type.........................................................
Maximum switching voltage
AC ............................................................
DC ............................................................
Maximum switching capacity ..........................
Commonmode isolation ...................................
On-resistance ...................................................
Output capacitance ..........................................
Leakage current................................................
Transfer rate in serial mode
1
(1 word = 32 bits) ......................................
Relay set time ..................................................
Relay reset time ...............................................
Power-on state .................................................
32 organized as 8 optically isolated banks of 4 relays each
Normally open (Form A). solid-state relays
240 VAC
240 VDC
200 mA
250 V
rms
between banks, and bank to ground
8
Ω
110 pF at 50 V, 1 MHz
1 µA maximum
750 words/s
0.6 ms
0.1 ms
Relays open
SCXI-1192
Input Characteristics
Number of relays..............................................
Input voltage
Channel-to-ground.....................................
Maximum switching voltage............................
Maximum carry current per channel................
Maximum continuous carry power per channel
1 to 3 GHz ..................................................
3 to 8 GHz ..................................................
8 to 12.4 GHz .............................................
12.4 to 18 GHz ...........................................
8 SPDT (latching)
30 V
rms
/VDC
30 VDC
2 ADC
120 W
80 W
60 W
50 W
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
505
Switches
NI [ NATIONAL INSTRUMENTS CORPORATION ]
