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Page Title:
Discrete Signal Interface Requirements - Continued |
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|  MIL-S-70442 (AR)
APPENDIX A
IDENT NUMBER 118
DISCRETE SIGNAL INTERFACE REQUIREMENTS
MODE
NOMENCLATURE
DISPLAYS
BRIGHTNESS
TYPE
DC
CONDUCTOR TYPE AND GAUGE
SINGLE
WIRE
ORIGIN
AIRCRAFT
28
VDC
DESTINATION
HUDS\HUD
DESTINATION IMPEDANCE
PILOT STATION CONTROLS
SOURCE
<10 OHM
SOURCE IMPEDANCE
20 ma
MAX CURRENT
MIL-STD-704
MAX VOLTAGE
+28 VDC (LOW LIGHT - DIM)
TRUE STATE VOLTAGE
OPEN (NORMAL VIEWING - BRIGHT)
FALSE STATE VOLTAGE
REMARKS
68
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