1260-145 User Manual
Racal Instruments
2003
Module Specification 1-17
Electrical
Specifications –
1260-145F
Chan. Input Voltage
60 VDC / 125 VAC maximum
Chan. Output Current
1 A maximum
Chan. Output Power
30 W / 37.5 VA maximum
Path Resistance
< 1.8 Ohms (HI + LOW path)
Contact Bounce Time
3 ms maximum
Contact Thermal EMF
4
µ
V maximum
Switch Contact Lifetime
50 Million Cycles (low-level)
100,000 Cycles (maximum rating)
Available I/O Channels
128 (dual wire)
Capacitance
A (HI) to B (LOW)
225 pF maximum
Chan. to Chassis
840 pF maximum
Bandwidth
20 MHz (-3 dB) minimum
(Worst Path Performance;
Typical Unit)
Insertion Loss
1.2 dB @ 10 MHz maximum
(Worst Path Performance; 0.2 dB @ 1 MHz maximum
Typical Unit)
0.1 dB @ 300 kHz maximum
Isolation
30 dB @ 20 MHz minimum
(Worst Path Performance; 53 dB @ 10 MHz minimum
Typical Unit)
66 dB @ 1 MHz minimum
79 dB @ 300 kHz minimum
Crosstalk
-30 dB @ 20 MHz maximum
(Worst Path Performance; -44 dB @ 10 MHz maximum
Typical Unit)
-62 dB @ 1 MHz maximum
-77 dB @ 300 kHz maximum
Power Requirements
+5 VDC
quiescent
0.1 A maximum
each relay closure 0.02 A maximum
Mean Time Between
37,899 Hours (MIL-HDBK-217FN2)
Failures (MTBF)
56,682 Hours (Telcordia / Bellcore 6)
Mean Time to Repair
< 5 minutes (MTTR)
Содержание 1260 VXI
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