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SL-E-0002
Overview
Originally published in 1973, this document was published as a tailoring of MIL-STD-461A to define the electromagnetic requirements for equipment that would be used on the space shuttle. As such, it is not really a complete document on its own, but rather a companion document to 461A.
The A-revision of this document was published in September of 1974 and the B-version in May of 1987. Changes between the initial publication and the A-version are subtle and the B-version dealt primarily with defining the areas in which non-compliance might be acceptable and deviation or waivers might be obtained.
SL-E-0002 [top of page]
The only new test introduced in this standard was the time domain transient and ripple test, (TT01), which became the CE07 test in later revisions of 461. In order to do this test, one had to build a network which simulated the bus impedance that the component’s power input would “see” when installed on the shuttle.
Three tests were eliminated as requirements, and the limits for both emissions and susceptibility tests were modified. Broadband emission requirements were deleted for CE01, 02 03 and 04, however, no specifications on measurement bandwidth were given. (This was done in a later document.)
Finally, the RS03 requirement was tailored to account for the fields generated by the transmitters on-board the shuttle. They also took into account where the equipment under test would be in relation to those transmitters. The table below lists the requirements of SL-E-0002
CE01 |
Conducted emissions, power leads, 30 Hz to 20 kHz |
CE02 |
Conducted emissions, control and signal leads, 30 Hz to 20 kHz |
CE03 |
Conducted emissions, power leads, 20 kHz to 50 MHz |
CE04 |
Conducted emissions, control and signal leads, 20 kHz to 50 MHz |
CE06* |
Conducted emissions, antenna terminals, 10 kHz to 12.4 GHz |
TT01 |
Time domain transient and ripple test |
CS01 |
Conducted susceptibility, power leads, 30 Hz to 50 kHz |
CS02 |
Conducted susceptibility, power leads, 50 kHz to 400 MHz |
CS03* |
Conducted susceptibility, intermodulation, 30 Hz to 10 GHz |
CS04* |
Conducted susceptibility, rejection of undesired signals, 30 Hz to 10 GHz |
CS05* |
Conducted susceptibility, cross modulation, 30 Hz to 10 GHz |
CS06 |
Conducted susceptibility, power leads, transient spike |
RE02 |
Radiated emissions, electric field @ 1 meter, 14 kHz to 10 GHz |
RE03* |
Radiated emissions, spurious and harmonic emissions, 10 kHz to 40 GHz |
RE04 |
Radiated emissions, magnetic field @ 1 meter, 20 Hz to 50 kHz |
RS02 |
Radiated susceptibility, magnetic induction fields |
RS03 |
Radiated susceptibility, electric field, 14 kHz to 10 GHz |
*limited applicability - applies to antenna ports only.
Scheduling [top of page]
EMC Integrity generates a detailed quotation for all formal compliance testing that we perform. Our quotations state the name of the product to be tested, the standards to which the product will be tested, the individual tests that will be performed and any additional testing that may be requested by the client. Tests are listed on a line-item basis, thus clearly delineating both the scope of work and the cost of each test. An outline of our process is given below.
Overview of EMCI’s RFQ Process.
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