Bihar Engineering University, Bihar, Electronics and Communication engineering Semester 4, Analog Circuits Syllabus

EC105 Analog Circuits

UNIT-1
Small signal amplifiers: CB, CE, CC configurations, hybrid model for
transistor at low frequencies, RC coupled amplifiers, mid-band model, gain
and impedance, comparisons of different configurations, Emitter follower, Dar- lington pair (derive voltage gain, current gain, input, and output impedance). Hybrid-model at high frequencies (pi - model).

UNIT- 2
Multistage Amplifiers: Cascade and Cascode amplifiers, Calculations of
gain, impedance, and bandwidth. Design of multistage amplifiers. Feedback Amplifiers: Feedback concept, Classification of Feedback amplifiers, Properties of negative Feedback amplifiers, Impedance considerations in different configurations. Analysis of feedback Amplifiers.

UNIT-3
Field Effect Transistor: Introduction, Classification, FET characteristics,
The operating point, Biasing, FET small-signal Model, Enhancement and Depletion type MOSFETs, FET Amplifier configurations (CD, CG, and CS).

UNIT 4
Oscillators: Barkhausen criterion, Sinusoidal Oscillators, the RC phaseshift oscillator, resonant circuit Oscillators, a general form of the oscillator circuit, the Wien -bridge oscillator, Crystal oscillators, Hartley, Colpitt’s and Clapp’s Oscillator.

UNIT 5
Power Amplifiers: Power dissipations in transistors, Amplifiers Classification, (Class-A, Class-B, Class-C, Class-AB) Efficiency analysis, Push-Pull and Complementary Push-pull amplifiers Cross over distortion and Harmonic dis-portion in Push-Pull amplifier. Tuned amplifiers (single, double, and stagger tuned amplifier).