Transient currents                                                7 hours Max marks 20

Growth and decay of current in LR and CR circuits – measurement of high resistance by
leakage – growth of charge and discharge of a capacitor through LCR circuit – theory of
BG – experiment to determine charge sensitiveness of BG using a standard condenser and
HMS.
 (Sections 12.1 to 12.6, 10.10 to 10.13 and section 11.14 of Electricity and magnetism by
R. Murugeshan)
4. AC circuits                                                                                 12 hours Max marks 27

AC through L, C, R, LC, CR, LR and LCR – resonance and resonant circuits – repulsion
between coil and conductor – j operators, application to AC circuits – AC bridges –
Anderson and Rayleigh bridge.
(Sections 22.1, 22.2, 22.3, 22.6, 22.7, 22.10, 22.11, 22.13, 22.18 to 22.22.1, 22.23 of

Core Course IX 72 hours (Credit 4)

PH5 B09: ELECTRONICS (ANALOG & DIGITAL)

UNIT I

1. Semiconductor rectifiers and DC Power supplies 8 hours. Max marks 15

Preliminaries of rectification, Bridge rectifier, Efficiency, Nature of rectified output,

Ripple factor, different types of filter circuits, voltage multipliers, Zener diode voltage

stabilization (sections 6.13-6.15, 6.17 - 6.27 V.K Mehta)

2. Transistors: 14 hours Max marks 27

Different transistor amplifier configurations:- C-B, C-E, C-C, their characteristics,

amplification factors, their relationships, Load line Analysis, Expressions for voltage gain,

current gain and power gain of C.E amplifier, cut-off and saturation points, Transistor

biasing, Different types of biasing - Base resistor, voltage divider bias method, single stage

transistor amplifier circuit, load line analysis, DC and AC equivalent circuits. (Section 8.7

- 8.10, 8.12-8.22, 9.2-9.8, 9.11-9.12, 10.4-10.5, 10.7-10.9 V K Mehta)

3. Multistage Transistor amplifier 4 hours Max marks 10

R.C coupled amplifier- frequency response, and gain in decibels, Transformer coupled

Amplifiers,Direct Coupled Amplifier,Comparison.

(Section 11.1-11.8, VK Mehta)

4. Feedback Circuits and Oscillators 8 hours Max marks 12

Basic principles of feedback, negative feedback and its advantages, positive feedback

circuits Oscillatory Circuits-LC, RC oscillators, tuned collector oscillator, Hartley,

Colpitt’s, phase shift and crystal oscillators - their expressions for frequency.

Sections (13.1-13.5, 14.1 - 14.13, 14.15-14.20 VK Mehta)

5. Special Devices and Opamp 12 hours Max marks 18

LED, basic idea of UJT, FET, MOSFET, OP-amp-basic operation,

application, inverting, Non-inverting, summing amplifiers, Differentiator integrator.

(Sections 7.2-7.4, 19.2-19.14, 19.14, 19.27-19.30, 21.11-21.14, 25.1, 25.16, 25.15-

25.17,25.23-25.26, 25.32, 25.34-25.35, 25.37 VK Mehta)