1260-145 User Manual
Module Specification 1-20
Racal Instruments
2003
Electrical
Specifications –
1260-145G
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
< 1.5 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)
175 pF maximum
Chan. to Chassis
625 pF maximum
Bandwidth
27 MHz (-3 dB) minimum
(Worst Path Performance;
Typical Unit)
Insertion Loss
0.7 dB @ 10 MHz maximum
(Worst Path Performance; 0.1 dB @ 1 MHz maximum
Typical Unit)
0.1 dB @ 300 kHz maximum
Isolation
24 dB @ 27 MHz minimum
(Worst Path Performance; 52 dB @ 10 MHz minimum
Typical Unit)
67 dB @ 1 MHz minimum
74 dB @ 300 kHz minimum
Crosstalk
-28 dB @ 27 MHz maximum
(Worst Path Performance; -44 dB @ 10 MHz maximum
Typical Unit)
-65 dB @ 1 MHz maximum
-70 dB @ 300 kHz maximum
Power Requirements
+5 VDC
quiescent
0.1 A maximum
each relay closure 0.02 A maximum
Mean Time Between
33,763 Hours (MIL-HDBK-217FN2)
Failures (MTBF)
50,660 Hours (Telcordia / Bellcore 6)
Mean Time to Repair
< 5 minutes (MTTR)
Summary of Contents for 1260 VXI
Page 5: ......
Page 6: ...This page was left intentionally blank...
Page 10: ...1260 145 User Manual iv This page was left intentionally blank...
Page 34: ...1260 145 User Manual Module Specification 1 24 Racal Instruments 2003...
Page 60: ...1260 145 User Manual Optional Harness Assemblies 4 4 Racal Instruments 2003...
