BE (B-TECH Fire Tech & Safety 1st-2nd)

Section A

Semiconductor Physics: Basic concepts, Intrinsic and extrinsic semiconductors, diffusion and drift currents, p-n junction under

open-circuit, reverse bias and forward-bias conditions, p-n junction in the breakdown region, Ideal diode, terminal characteristics

of junction diode.

Amplifiers: Introduction of different types of amplifiers and their characteristics, Principle of amplification, Frequency response

of RC coupled amplifiers, amplifier bandwidth and Concept of Cascaded Amplifiers, Feedback amplifiers, Effect of positive and

negative feedback on amplifier gain and bandwidth.

Section B

Oscillators: Criteria for oscillations, Qualitative analysis of LC, RC and Crystal Oscillators, Study of Wein Bridge Oscillators

Operational Amplifiers: Op-amps, its characteristics and its applications.

Power Suppliers: Introduction and Working of Switched Mode Power Supply (SMPS), Voltage Regulator, Introduction to

Inverters and UPS.

Section C

Digital Electronics: Binary, Octal and Hexadecimal number systems and conversions, Boolean Algebra, Truth tables of logic

gates (AND, OR, NOT), NAND, NOR as universal gates, Difference between combinational circuits and sequential circuits,

Introduction to flip-flops (S-R & J-K).

Electronics Instruments: Role, importance and applications of general-purpose test instruments viz Multimeter Digital & Analog,

Cathode Ray Oscilloscope (CRO), Function/Signal Generator.

Section D

Displays : Seven segment display, Fourteen segment display, Dot matrix display

LED Display : Introduction, Construction, Advantage of LEDs in electronics display

LCD Display : Introduction; Types of LCD display:- Dynamic scattering and field effect type; Types of liquid crystal cells :-

Transmitting type and reflective type; Advantage & disadvantage of LCD display common applications. .