COBHAM 677-A0173, Руководство по установке

Страница: 13 / 45

HGA-7001
Installation Manual
Document: 862-A0089_IM issue 1.6
COMPANY CONFIDENTIAL
Page 13 of 45
Table 6: Equipment Specifications (Sheet 2 of 3)
Characteristic Specification
Magnetic effect DO-160E Category Z
Power input (28V) DO-160E Category A(WF)X
Voltage spike DO-160E Category A
Audio frequency conducted
susceptibility
DO-160E Category K(WF)
Induced signal susceptibility DO-160E Category CW
RF susceptibility DO-160E Category (RW)(RY)
Emission of radio frequency energy DO-160E Category H
Lightning-induced transient DO-160E Category A3J44
Lightning direct effects DO-160E Category 1A2A
Icing DO-160E Category AC
Electrostatic discharge DO-160E Category A
Fire, Flammability DO-160E Category X
DO-160E Qualification String [E1]XABE[U(G),R(C,C1),R(E,E1),H(R),S(LMY)]
E[RS]FSFSZ[A(WF)X]A[K(WF)][CW][(RW)(RY)]
H[A3J44][1A2A][AC]AX
RF CHARACTERISTICS
Operating Band: Receive
Transmit
1525 to 1559 MHz
1626.5 to 1660.5 MHz
Service Coverage Seamless coverage compliant to Inmarsat SDM
Gain 12 to 16 dBiC over 90% of the Inmarsat hemisphere
G/T ≥ –13 dB/K (290 K antenna and subsystem) under all
transmitter operating conditions
EIRP 16 dBW minimum
Axial ratio < 6 dB, can be greater when compensated by excess
antenna gain
Discrimination < 13 dB for satellites spaced 45° in longitude from
desired satellite