Electronic Instrumentation1. Unit-1
2. Unit-2
3. Unit-3
4. Unit-4
5. Unit-5
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Electronic Instrumentation SyllabusUNIT I: Digital electronic instruments Introduction, specifications of digital meters, resolution, sensitivity, accuracy, average/true root mean square, crest factor, form factor, zero or offset frequency response, input resistance, input bias current. Digital voltmeters, Ramp technique, dual slope integrating type DVM UNIT II: Transducers Passive and active electrical transducers: resistive, capacitive, inductive, piezoelectric, photovoltaic, Hall effect transducers, selection of transducers, transducers characteristics, semiconductor photo-diode, photo transistor, frequency generating transducers, pressure inductive transducers, LVDT, differential output transducer, thermistor, strain gauge, measurement of angular and linear velocity using electrical transducers, reluctance pulse pick-ups, AC tachogenerators. UNIT III: Data acquisition system (DAS) and recorders Introduction of DAS, objective of DAS, signal conditioning of inputs, single and multi-channel DAS, computer based DAS, sample and hold, multiplexing, D/A, A/D conversion, general description of Data loggers, digital transducers, optical encoders, resistive digital encoders, shaft encoders. Recorders: introduction, Strip chart recorders, general description of XY recorders, galvanometer type recorders, potentiometric recorders. UNIT IV: Oscilloscope & Signal Generations Introduction, Basic Principal, CRT Feature, Block diagram of oscilloscope, simple CRO, Vertical amplifier, horizontal defecting system Triggered source CRO, typical CRT connection, measurement of Frequency & phase by Lissajous Figures. Signal generator: Introduction, sine wave generators, audio Frequency and Radio frequency signal generation, Function generators, Sequence & phase generators UNIT V: Programmable Logic Controllers: PLC: Introduction of PLC, PLC structure & operations response time, Basic ladder diagram, PLC resisters, Timer & counters, PLC, DC & AC i/ps. Module for PLC, Basic Process of PLC, PLC Hard ware & Configuration PLC hard ware components. |
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