COMPUTERIZED TEST TECHNIQUES FOR INSTRUMENTATION MAGNETIC TAPE RECORDERS
AffiliationWestern Space and Missile Center
Federal Electric Corporation
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AbstractSince development of the initial system in 1980, the Western Space and Missile Center (WSMC) has been refining computerized test techniques for instrumentation magnetic tape recorder/reproducers. These tests include standard IRIG tests such as flutter, time base error (TBE), interchannel time displacement error (ITDE), harmonic distortion, frequency response and signal-to-noise ratio (SNR), as well as slot noise, crosstalk and intermodulation distortion (IMD). The test philosophy is to duplicate results that can be obtained manually, but at the same time greatly reduce test time and operator intervention. Such parameters as data sampling periods and number of samples have been refined to obtain maximum correlation and minimum test times. Also, a complete set of self-check and troubleshooting programs have been developed.
SponsorsInternational Foundation for Telemetering