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ELECTRONICS & INSTRUMENTATION


UNIT I - SEMICONDUCTOR DIODE (9 hours)
Semiconductor diode - Crystal diode as a rectifier - Equivalent circuit of a Crystal Diode - Half Wave Rectifier - Efficiency of Half Wave Rectifier - Full wave Rectifier -Center tap Full Wave Rectifier - Full Wave Bridge Rectifier Efficiency of Full Wave Rectifier - Zener Diode - Equivalent Circuit of Zener Diode - Zener Diode as Voltage Stabilizer.


UNIT II - TRANSISTOR & ITS BIASING (9 hours)
Transistor Symbols - Transistor as an Amplifier - Connections - CB, CE, &CC -Characteristics - Comparison of Transistor Connection. Transistor as an Amplifier in CE arrangement - Transistors Load Line analysis, Operating Point - CE Circuit -Performance of Transistor Amplifier - Cut Off and Saturation points - Transistor biasing: Methods of transistor Biasing - Base resistor method - Biasing with feedback
resistor - Voltage divider bias method .


UNIT III - FET, SCR & UJT (9 hours)
Types of Field Effect Transistor - JFET - Working Principles of JFET - JFET as an Amplifier and its Output Characteristics - JFET Applications - MOSFET Working Priniciples, SCR - Equivalent Circuit and V-I Characteristics. SCR as a Half wave and full wave rectifier - Application of SCR - Triac and Diac characteristics and its applications. UJT - Equivalent Circuit of a UJT and its Characteristics.


UNIT IV - MEASUREMENT SYSTEM (9 hours)
Measurements and its Significance, Methods of Measurements, Classification of Instruments and application, Elements of a Generalized Measurement System, Static and Dynamic Characteristics of an Instruments, Errors in Measurement Systems -Units, System, Dimension and standards.


UNIT V - PRIMARY SENSING ELEMENTS AND SIGNAL CONDITIONING (9 hours)
Introduction - Transducers - Advantage of Electric Transducers, Classification Based upon Principle of Transduction, Primary and Secondary transducer, Passive and Active transducers, Analog and Digital transducers, Transducers and inverse
transducers and examples for each. Characteristics and Choice of transducers, Input,Transfer and output Characteristics and its application. Operational Amplifier,Characteristics of Operational Amplifier, Basic Filters, A/D Converters. Simple Types
TOTAL 45


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