10 351 ADC, DAC, op-amps

10 351 ADC, DAC, op-amps - Electronics & Instrumentation...

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1 1 Electronics & Instrumentation Æ Getting Good Data (meaningful, correct) 2 Road Map
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2 3 Measurement Systems Images courtesy of oceanoptics.com, SunTouch, gasgoo.com. In this class, we are taking a look at what’s happening inside the black box. 4 measurement system cables going in/out display Measurement System: ???
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3 5 accuracy sensitivity precision (repeatability) resolution linearity reproducibility bandwidth Measurement System: Metrics systematic errors, interference noise calibration controls different physics comcomitant measurements errors drift hysteresis variables: independent dependent extraneous 6 Measurement System: Main Components sensor/transducer signal conditioning output, control measurement system feedback
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4 7 Measurement System: Main Components sensor/transducer signal conditioning 0 th , 1 st , 2 nd order systems temperature sensor measurement system 8 Measurement System: Response to Input sensor/transducer signal conditioning 0 th , 1 st , 2 nd order systems temperature sensor measurement system 0 t/ y(t) KA (y KA)e τ =+− ( ) y( t ) KAM( )sin t ( ) ω ωφω =+ K dy / dx =
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5 9 Measurement System: Signal Conditioning sensor/transducer signal conditioning measurement system f s = 1/ δ tM ( ω ) filtering frequency spectra
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This note was uploaded on 11/28/2010 for the course ENES enes100 taught by Professor Staff during the Spring '10 term at Maryland.

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10 351 ADC, DAC, op-amps - Electronics & Instrumentation...

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