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Page Title:
Discrete Signal Interface Requirements - Continued |
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|  MIL-S-70442 (AR)
APPENDIX A
IDENT NUMBER 37
DISCRETE
SIGNAL
INTERFACE
REQUIREMENTS
TSU AZ ANGLE
NOMENCLATURE
VARIABLE DC (CURRENT DRIVEN)
TYPE
TWISTED PAIR SHIELDED
CONDUCTOR
TYPE
AND
GAUGE
TOW/SCA
ORIGIN
HUDS/SIGNAL PROCESSOR
DESTINATION
lK OHMS
DESTINATION
IMPEDANCE
TOW/SCA
SOURCE
(CURRENT SOURCE )
SOURCE
IMPEDANCE
N/A
VOLTAGE
RANGE
SEE REMARKS
SCALE
FACTOR
SEE REMARKS
PARAMETER
RANGE
SEE REMARKS
PARAMETER
ACCURACY
+ CURRENT IS LOS TO THE RIGHT
PHASING
N/A
RMS
NULL
N/A
PHASE
SHIFT
N/A
SENSITIVITY
+ 2.2 ma (ALSO SEE REMARKS)
MAX
CURRENT
+ 2.2 VOLTS (ALSO SEE REMARKS)
MAX
VOLTAGE
SEE REMARKS
MAX SLEW RATE
REMARKS
1. PRELAUNCH AND NON-TOW MODE CUEING SIGNAL CHARACTERISTICS:
+ o.4 MA/DEGREE + 4% ovER + 3.75 DEGREES AT + 250 MR/sEc max.
2. POSTLAUNCH SIGNAL CHARACTERISTICS (TOW MODE ONLY) : + ().0136
MA\
DEGREE + 5% OVER + 110 DEGREES AT + 1.7 RAD\SEC MAX.
3.
o
lK
LOAD
5K
1.05K
54
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