User's Manual

SYSTEM DESCRIPTION AND INSTALLATION MANUAL
T
3
CAS/Part No.9005000
Table 1-15: T
3
CAS Computer Unit Leading Particulars (cont.)
Item
Specification
●
Software Development Specification
DO-178B, Level B
●
Environmental Specifications
Applicable to 9005000-10000,
-10101, -10202, -10204, -11203, -11801,
and -55801.
DO-160E Refer to Table 1-16
Temperature/Altitude [A2F2]:
●
Operating Temperature
-55 to +70 degrees C (-67 to 158 degrees F)
● Ground Survival Temperature -55 to +85 degrees C (-67 to 185 degrees F)
●
Altitude
Sea Level to 55,000 ft (16764 m)
● Loss of Cooling
+40 degrees C (+104 degrees F) for 18
hours minimum
RF Transmitter Characteristics:
●
Unwanted Output Power in an Inactive
State
-79 dBm (960-1215 MHz)
● TCAS Transmitter Frequency
1030
±
0.01 MHz
TCAS RF Peak Output Power:
●
Minimum
53.5 dBm (224 W)
●
Nominal
54.0 dBm (251 W)
● Maximum 57.5 dBm (562 W)
XPDR Transmitter Frequency
1090
±
0.01 MHz
XPDR/ADS-B RF Peak Output Power (each port of directional antenna):
●
Minimum
51.4 dBm (138 W)
●
Nominal
52.2 dBm (166 W)
● Maximum 55.4 dBm (347 W)
TCAS Pulse Timing Characteristics:
●
Pulse Rise Time
0.05 to 0.10 µsec
●
Pulse Fall Time
0.05 to 0.20 µsec
●
ATCRBS S1, P1, P3, P4 Duration
0.8
±
0.05 µsec
● Mode S P1, P2 Duration
0.08
±
0.05 µsec
●
Mode S P6 Duration
16.25 ± 0.125 µsec (short)
30.25 ± 0.125 µsec (long)
Pub. No. 8600200-001, Revision 004
34-45-29
1-50
04 Nov 2014
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