Unit III Number System and Logic Gates Number System :- Binary, BCD, Octal, Decimal, Hexadecimal their conversion and arithmetic, De-Morgan’s theorem. Basic Gates:- AND, OR, NOT, Universal Gate- XOR, XNOR, Half adder, Full adder Flip Flop’s SR, JK, T and D. Introduction to Microprocessor and Microcontroller (Only block diagram and explanation). (Chapter - 3) Unit IV Electronic Instrumentation Electronic Instruments : Principles and block diagram of digital multimeter, Function Generator, Digital Storage Oscilloscope (DSO) Power scope, AC/DC power supply, Auto transformer, Analog ammeter and voltmeter. (Chapter - 4) Unit V Sensors Classification of a sensors, Active/Passive Sensors, Analog/Digital Sensors, Motion Sensors (LVDT, Accelerometer), Temperature Sensors (Thermocouple, Thermistor, RTD), Semiconductor Sensors (Gas Sensors), Optical Sensors (LDR), Mechanical Sensors (Strain Guage, Load Cell, Pressure sensors), Biosensors. (Working Principle and one application). (Chapter - 5) Unit VI Communication Systems Basic Communication System : Block Diagram, Modes of Transmission, Communication Media : Wired and Wireless, Electromagnetic Spectrum, Allotment of frequency band for different applications, Block Diagram of AM and FM Transmitter and receiver, Mobile Communication System : Cellular concept, Simple block diagram of GSM system. (Chapter - 6)
