Electrical, Environmental and Consumables Manager ( EECOM ) John Aaron remembered the telemetry failure pattern from an earlier test when a power supply malfunctioned in the CSM Signal Conditioning Equipment ( SCE ), which converted raw signals from instrumentation to standard voltages for the spacecraft instrument displays and telemetry encoders.
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In control engineering applications, it is common to have a sensing stage ( which consists of a sensor ), a signal conditioning stage ( where usually amplification of the signal is done ) and a processing stage ( normally carried out by an ADC and a micro-controller ).
