UNIT 4 | NUMERICAL + THEORY ONESHOT | BASIC ELECTRONICS | ALL PYQs | SPPU 2024 PUNE UNIVERSITY

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UNIT 1 Diodes and Applications
Evolution of Electronics, Current trends in Electronics, Impact of Electronics in industry and society.
Introduction to active and passive components.
P-N Junction Diode: P-N Junction diode construction and its working in forward and reverse bias conditions, V-I characteristics of P-N junction Diode, Diode as a switch, Half wave rectifier, Full wave and Bridge rectifier.
Special purpose diodes: Light Emitting Diode (LED) and photo diode along with V- I characteristics and their applications

UNIT 2 Transistors and Technology
Bipolar Junction Transistor: Construction, type, Operation, V-I Characteristics in common emitter mode, BJT as switch and Common Emitter(CE) amplifier. Enhancement Metal Oxide Semiconductor Field Effect Transistors (EMOSFET): Construction, Types, Operation, V-I characteristics, MOSFET as switch & amplifier. Introduction to VLSI Technology, Feature size/Channel Length, N Well method of VLSI CMOS manufacturing.

UNIT 3 Logic Gates and Digital Circuits
Number System: Introduction of Binary, Decimal, Octal, Hexadecimal, Conversion of Binary to Decimal, Decimal to Binary, Binary addition. Logic Gates - AND, OR, NOT, XOR, XNOR. Universal Gates – NAND, NOR. De-Morgan’s theorem. Logic circuits - Half & Full adders. SR, JK, T & D Flip Flops. Introduction to Microprocessor and Microcontroller (Only block diagram and explanation). Digital IC design flow, IC Fabrication process flow.

UNIT 4 Operational Amplifier and Electronic Instruments
Operational amplifier: Functional block diagram of operational amplifier, Ideal & practical values of performance parameters, Op-amp applications: Inverting, Non-inverting amplifier. Electronic Instruments: Block diagram of Digital Multimeter, Function Generator, Digital Storage Oscilloscope (DSO), DC power supply.

UNIT 5 Sensors and Communication Systems
Classification of sensors: Active /Passive Sensors, Selection Criteria/Characteristics of sensor. Motion Sensors (LVDT), Temperature Sensors (Thermocouple, RTD), Mechanical Sensors (Strain Gauge), Biosensors. Block diagram of IoT based Data Acquisition and Automation System. Communication Systems: Block Diagram, Communication Media: Wired and Wireless, Electromagnetic Spectrum, Cellular concept, Block diagram of GSM system.