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Page Title:
Discrete Signal Interface Requirements |
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|  MIL-S-70442
(AR)
APPENDIX
A
IDENT
NUMBER
40
DISCRETE SIGNAL INTERFACE REQUIREMENTS
LOW ALTITUDE LIMIT
NOMENCLATURE
DC
TYPE
SINGLE WIRE UNSHIELDED
CONDUCTOR TYPE AND GAUGE
ORIGIN
HUDS/SIGNAL PROCESSOR
DESTINATION
(SEE REMARKS )
DESTINATION IMPEDANCE
RADAR ALTIMETER - APN-209
SOURCE
N/A
SOURCE IMPEDANCE
10 ma
MAX CURRENT
5.5 VDC
MAX VOLTAGE
TRANSISTOR SWITCH CLOSED
TRUE STATE VOLTAGE
(ALTITUDE BELOW LIMIT)
TRANSISTOR SWITCH OPEN
FALSE STATE VOLTAGE
(ALTITUDE ABOVE LIMIT)
RE MARKS
I
I
5404
I
I
I
I
I
I
I
HUDS
Radar
Altimeter
57
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