EMI (B-TECH electronics and communication engineering 3rd)

1. ELECTRONIC INSTRUMENTS

Electronic voltmeter, VIVM Transistor voltmeter, Electronic Multimeter, CRO’s study of various

stages in brief, measurement of voltage, current phase and frequency, special purpose

oscilloscope measurement of inductance, capacitance, effective resistance at high frequency, Q

meters, LCR meter.

2. INSTRUMENTS FOR GENERATION AND ANALYSIS OF WAVEFORMS

Signal generators, function generator, wave analyzer, harmonic distortion analyzer, spectrum

analyzer, spectrum analysis.

3. INSTRUMENT TRANSFORMER

Current and potential transformers, constructional features, ratio and phase angle error.

4. TRANSDUCERS

Principles of operation, qualitative treatment of strain gauge, LVDT, thermocouple, piezo-electric

crystal and photoelectric transducers.

5. DATA ACQUISITION SYSTEM

Necessity of Recorders, Recording Requirements, Graphic Recorders, Strip Chart recorders,

Magnetic tape Recorders, Digital tape recorders.

6. DISPLAY DEVICES

Electronic Indicating instruments, seven segment display, Fourteen segmental display Nixie tube.

7. TELEMETERY

Introduction, Method of data transmission, Types of Telemetry systems and applications