Requirements for equipments and subsystems installed aboard spacecraft and launch vehicles, including associated support equipment (Class A2)
1 Scope
This standard shall be in accordance with GJB 151.1-86 and shall be used to determine the electromagnetic emission and sensitivity requirements and limits of equipments and subsystems installed aboard spacecraft and launch vehicles, including associated support equipment.
1.1 Classification of Class A2 equipment and subsystems
See Table 1 for classification of Class A2 equipment and subsystems
Table 1 Classification of Class A2 equipment and subsystems
Class Description
A2a Spacecraft and launch vehicles
A2b ground-based aeronautical equipment used to inspect and launch spacecraft, including electronic testing and auxiliary equipment
A2c Coach and simulation equipment
1.2 Requirements for test items
See Table 2 for requirements for test items.
Table 2 Requirements for test items
Requirement Classification of Class A2 equipment and subsystems
A2a A2b A2c
where,
Y——the requirement applies;
YL——the requirement is of limited applicability, which shall be stipulated in the corresponding clauses;
T——the requirement depends on the sample, which shall be stipulated in the order contract;
N——the requirement does not apply.
When applicable, the limit values must meet the requirements, and the test method shall be in accordance with GJB 152-86 or the approved EMI test schedule.
2 CE01 (limited applicability)
2.1 Applicability
This requirement is applicable to narrow-band transmission of the following external connecting lines in the frequency band of 25Hz to 15kHz: AC and DC power lines, ground lines or neutral lines without internal grounding, relays, coils, electronic tubes, timers, bomb release devices, etc. of samples, connecting lines for providing energy or controlling.
This requirement does not apply to signal lines for time scale, intermediate frequency, audio, ignition, digital, radio frequency, etc. If the buyer has this requirement, special instructions are required.
