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Semester- 3rd

Subject Code: 3TBEX 304

Course: BE [EE]

Subject: Analog Electronics

Unit – I Semiconductor Diodes: Theory of P-N junction, temperature dependence and breakdown characteristics, junction capacitances, Zener diode, Varactor diode, Tunnel diode, PIN diode, LED, Photo diode, Schottky diode, Diode applications: series-parallel configurations, full wave and half wave rectification, voltage multiplier circuits, diode testing

Unit – II Transistors: BJT, types & configuration, working principle, characteristics, and region of operation, load line, biasing methods, Small signal analysis of transistor (low frequency) using h-parameters, thermal runaway and thermal stability. FET, MOSFET, Transistor as an amplifier, gain, bandwidth, frequency response,

Unit – III Feedback amplifier and Oscillators: Feedback amplifier, negative feedback, voltage-series, voltage shunt, current series and current shunt feedback, Sinusoidal oscillators, L-C (Hartley- Colpitts) oscillators, RC phase shift, Wien bridge, and Crystal oscillators. Power amplifiers, class A, class B, class A B, and C amplifiers, their efficiency and power Dissipation, Push-pull and complementary symmetry push-pull amplifier.

Unit – IV Wave Shaping circuits: Switching characteristics of diode and transistor, turn ON, OFF time, reverse recovery time, transistor as a switch, Multivibrators, Bistable, Monostable, Astable multivibrators. Clipper and clamper circuit, Differential amplifier, calculation of differential, common mode gain and CMRR using h- parameters, Darlington pair, Bootstrapping technique. Cascade and cascade amplifier.

Unit - V Operational Amplifier: Operational amplifier basics, practical Op-amp circuits & characteristics, slew rate, bandwidth, offset voltage, basic current, application, inverting, non-inverting amplifier, summer, average, differentiator, integrator, differential amplifier, instrumentation amplifier, log and antilog amplifier, voltage to current and current to voltage converters, comparators Schmitt trigger, active filters, 555 timers and its application.