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Understanding Smart Sensors - Nomads.usp

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344 <strong>Understanding</strong> <strong>Smart</strong> <strong>Sensors</strong>OSOSEKOSIOSSOTPPACPCBPCMCIAPGAPICPIDPLCPLDPLLPMMAProfibusPSGPTCPWMPZTQPSKoperating systemGerman acronym for Open System for Automotive Electronics,an extension of the front end of the MCUhardwareOpen Systems Interconnectionoctal serial switchone-time programmablepad array carrierprinted circuit boardPersonal Computer Memory Card InternationalAssociationpin grid arraypower ICproportional integral differential; control technique commonlyused in servo systemsprogrammable logic controllerprogrammable logic devicephase locked-loop; a major component in a frequencysynthesizerpolymethyl methacrylateprocess fieldb<strong>usp</strong>hosphosilicate glasspositive temperature coefficient; a PTC thermistor is onethat the zero-power resistance increases with an increase intemperaturepulse-width modulation; the digital control of voltagepulses used in amplifiers to obtain higher efficiency thanlinear controllead zirconate titanatequadrature phase shift keying

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