Saturday, 10 March 2012

ELECTRONIC MEASUREMENTS AND INSTRUMENTATION

Theory of MeasurementPerformance Characteristics : Static & Dynamic standards, Error analysis : Sources, Types and Statistical analysis.TransducersPassive transducers : Resistive, Inductive and capacitiveActive transducers : Thermoelectrics, piezoelectric and photoelectric.Bridges : Direct current and alternating current bridges, LCR bridges.Analog MetersAC analog meters : Average Peak and RMS responding voltmeters, sampling voltmeters. Electronics Analog meters : Electronics analog DC and AC voltmeter and ammeters, Electronic analog ohmmeter and multimeter.Digital MetersAnalog to digital converter : Transfer characteristics, A/D Conversion techniques : Simple potentiometric and servo method, Successive approximation, Ramp type, Integrating and Dual-slope integrating method.D/A Converter : Transfer characteristics, D/A Conversion techniques, Digital mode of operation, Performance characteristics of D/A converters.Display devices : Decimal, BCD and straight binary number, Indicating system, Numeric and alphanumeric display using LCD and LED, Specification of digital meters : Display digit and Counts resolution, Sensitivity, Accuracy, Speed and Settling time etc.Oscilloscopes and RF MeasurementTypes of oscilloscopes, Controls, Measurements : Voltage, Frequency, Time and Phase. High frequency measurements - RF impedancy.Probes : Types of probes, Probe loading and Measurement effect, Probe specifications.Signal Generators and AnalyzersSignal Generators : Sine-wave, Non-sinusoidal and Function generators, Frequency synthesis techniques and digital signal generators.Signal Analyzers : Distortion, Wave and Network spectrum analyzers.
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