Official Bihar Engineering University examination question papers, marks distribution, and questions transcript. Available exam sessions: 2021, 2020.
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Official BEU curriculum units & topics for this examination subject.
Unit 1.0: Semiconductor Devices and Applications
Introduction to P-N Junction Diode and V-I characteristics • Half wave and Full-wave rectifiers • Capacitor filter • Zener diode and its characteristics • Zener diode as voltage regulator • Regulated power supply IC based on 78XX and 79XX series • Introduction to BJT • BJT input-output and transfer characteristics • BJT as a single stage CE amplifier • Frequency response and bandwidth
Unit 2.0: Operational Amplifier and its Applications
Introduction to operational amplifiers • Op-amp input modes and parameters • Op-amp in open loop configuration • Op-amp with negative feedback • Study of practical op-amp IC 741 • Inverting and non-inverting amplifier applications • Summing and difference amplifier • Unity gain buffer • Comparator • Integrator and differentiator
Unit 3.0: Timing Circuits
RC-timing circuits • IC 555 and its applications as astable and mono-stable multi-vibrators • Positive feedback
Unit 4.0: Oscillators
Barkhausen's criteria for oscillation • R-C phase shift and Wein bridge oscillator
Unit 5.0: Digital Electronics Fundamentals
Difference between analog and digital signals • Boolean algebra • Basic and Universal Gates • Symbols, Truth tables, logic expressions • Logic simplification using Kmap • Logic Ics • Half and full adder/subtractor • Multiplexers, de-multiplexers • Flip-flops • Shift registers • Counters • Block diagram of microprocessor/microcontroller and their applications