Basic Electronics Notes, BE Topics Wise Question Answers
Unit – I
Introduction, Transport Phenomena in semiconductor, Formation of P-N Junction, Properties of P-N Junction, P-N Junction
Diodes; Semiconductor Diodes, V-I Characteristics, Effect of Temperature on V-I Characteristics, Ideal Diode, Diode equation, Diode Resistance, Diode Capacitance: Transition and Diffusion Capacitance.
Unit – II
Rectifying circuits and DC Power Supplies: Load line analysis of diode circuit, Half wave rectifier: Voltage regulation,Ripple factor, ratio of rectification, Transformer Utilization factor. Full wave rectifier, Bridge rectifier. Filter circuits for power supply: Inductor filter, Capacitor filter, LC filter, Multiple LC filter, CLC or p filter. Zener diode: Break down mechanism, Characteristics, Specifications, Voltage regulator circuit using zener diode.
Unit - III
Transistor: Introduction, Construction, Types: npn and pnp, Current components. Transistor as an amplifier, Transistor Characteristics, Transistor Circuit Configuration: Common Base (CB) Configuration, Common Emitter (CE) Configuration,
Common Collector Configuration (CC), Early Effect. Ebers-Moll Model, Maximum Voltage Ratings.
Unit – IV
Transistor Biasing and Thermal stabilization: The operating point, Bias stability, Stability factor, Emitter bias, Collector – to base bias, Voltage divider bias with emitter bias, Emitter bypass capacitor. Bias compensation.
Unit – V
Field Effect Transistor (FET): Introduction, Construction, Operation, V-I Characteristics, Transfer Characteristics, Drain
Characteristics, Small-Signal Model.
Metal Oxide Semiconductor Field Effect Transistor (MOSFET): Introduction, Construction, Operation and characteristics,
Depletion MOSFET, Enhancement MOSFET.
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