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Page Title:
Discrete Signal Interface Requirements - Continued |
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|  MIL-S-70442 (AR)
APPENDIX A
IDENT NUMBER 38
DISCRETE SIGNAL INTERFACE REQUIREMENTS
TSU EL 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 UP
PHASING
RMS NULL
N/A
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
THE NORMAL OPERATING RANGE FOR THIS SIGNAL IS:
1. PRELAUNCH AND NON-TOW MODE CUEING SIGNAL CHARACTERISTICS:
+0.1 MA\DEGREE + 4% OVER + 7.5 to -15 DEGREES AT + 250 MR/SEC MAX.
2.
POSTLAUNCH SIGNAL CHARACTERISTICS (TOW MODE ONLY) :
+ 0.027 MA/
DEGREE + 10% OVER + 3O to 60 DEGREES AT + 1.7 RAD/SEC MAX.
3.
INPUT
.
.
10K
1.05K
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