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Page Title:
Discrete Signal Interface Requirements - Continued |
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|  MIL-S-70442
(AR)
APPENDIX
A
IDENT NUMBER 48
DIGITAL
SIGNAL
INTERFACE
REQUIREMENTS
HUD DATA
NOMENCLATURE
BINARY 2's COMPLEMENT
TYPE
TWISTED PAIR SHIELDED
CONDUCTOR TYPE AND GAUGE
ORIGIN
HUDS/SIGNAL PROCESSOR
DESTINATION
SEE REMARKS
DESTINATION IMPEDANCE
FCC
SOURCE
<100 OHMS
SOURCE IMPEDANCE
N/A
ADDRESS
8 BITS/1 PARITY/1 START/
NO. OF BITS/WORDS
1 STOP=ll BITS
START BIT
FIRST TRANSMITTED BIT
N/A
SCALE FACTOR
SEE TABLE I, FIGURES 2 and 3
LSB VALUE (RESOLUTION)
SEE TABLE I, FIGURES 2 and 3
PARAMETER RANGE
SEE TABLE I, FIGURES 2 and 3
PARAMETER ACCURACY
9600 BAUD
TRANSMISSION RATE
50 Hz
ITERATION RATE
TTL COMPATIBLE
TRUE STATE VOLTAGE
TTL COMPATIBLE
FALSE STATE VOLTAGE
REMARKS
This
signal
must
be
compatible
with
Fairchild
9615,
or
equivalent,
differential TTL receiver.
63
.
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