Racal Instruments 1260 VXI, User Manual

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1260-145 User Manual
Module Specification 1-2 Racal Instruments

2003
Electrical
Specifications –
1260-145A
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 144 (dual wire)
Capacitance
A (HI) to B (LOW) 120 pF maximum
Chan. to Chassis 415 pF maximum
Bandwidth 42 MHz (-3 dB) minimum
(Worst Path Performance;
Typical Unit)
Insertion Loss 1.0 dB @ 10 MHz maximum
(Worst Path Performance; 0.2 dB @ 1 MHz maximum
Typical Unit)
0.1 dB @ 300 kHz maximum
Isolation 15 dB @ 42 MHz minimum
(Worst Path Performance; 43 dB @ 10 MHz minimum
Typical Unit)
62 dB @ 1 MHz minimum
76 dB @ 300 kHz minimum
Crosstalk -9 dB @ 42 MHz maximum
(Worst Path Performance; -49 dB @ 10 MHz maximum
Typical Unit)
-69 dB @ 1 MHz maximum
-81 dB @ 300 kHz maximum
Power Requirements +5 VDC
quiescent 0.1 A maximum
each relay closure 0.02 A maximum
Mean Time Between 33,784 Hours (MIL-HDBK-217FN2)
Failures (MTBF) 50,714 Hours (Telcordia / Bellcore 6)
Mean Time to Repair < 5 minutes (MTTR)