Electrical - ACR Electronics COBHAM B406-4 Abbreviated Component Maintenance Manual

SUBTASK 25-62-03-870-002
B.

Electrical

(1) Table 3 lists the electrical specifications of the B406-4 ELT.
CRITERIA
Operating Frequencies
Modulation
Transmitter Duty Cycle
Peak Effective Radiated
Power (PERP)
Occupied Bandwidth
Spurious Emissions
Battery
COBHAM AVIONICS WULFSBERG ELECTRONICS
ABBREVIATED COMPONENT MAINTENANCE MANUAL
B406-4 (453-5004)
Table 3. Electrical Specifications
PARAMETER
406.025 MHz
406.028 MHz, or higher
121.5 and 243.0 MHz
406 MHz
121.5 and 243.0 MHz
406 MHz
121.5 and 243.0 MHz
406 MHz
121.5 and 243.0 MHz
406 MHz
121.5 and 243.0 MHz
406 MHz
121.5 and 243.0 MHz
Type of Cell
Voltage
Amp-Hour Rating
CHARACTERISTIC
± 2 KHz (Initial)
± 5 KHz (5 years)
2 parts/10E9 in 100 ms
Bi-Phase L (G1D)
Amplitude Modulation (A3X)
440 ms (± 1%), or
520 ms (± 1%), every
50 seconds (± 5%)
5 W (37 ± 2 dB) PERP or
EIRP for 24 hrs @ -20° to +55° C
Min. 50 mW (17 dBm) PERP for 50 hrs
@ -20° to +55° C or 100 mW EIRP
(20 dBm) for 48 hrs @ -20° to +55° C
20 KHz max.
25 KHz max.
Per RTCA/DO-204
Per CFR Title 47 (FCC), Part 87
Lithium Manganese Dioxide
25-62-03
± 1 KHz
± 0.005%
Continuous
12.0
10.0
Page 34 of 86
APR 06/10