SUBJECT: Electronics and Telecommunications Systems.

Electronics

Concept of Conductor, Semiconductor, Insulator. Semiconductor Diode, Forward bias, Reverse Bias, Application of Diode as Rectifier,
Introduction to Transistor (BJT, FET), PNP, NPN Transistors their Characteristic.
Introduction to Network Theorems: - KVL,KCL, Superposition, Theremin s, Norton s.
DC Biasing: - Fixed Bias, Emitter Stabilized bias, Voltage- Divider Bias (including problems). Concept of Q-point. Application of Transistor as Switch. AC analysis of BJT Transistor using re model (including problems on Av, Ai, Zi, Zo), Application of BJT as single stage Amplifier, Frequency response of single stage Amplifier.
Multistage Amplifiers:- (Basics concepts) RC coupled, cascade, Darlington pair, DC amplifiers,
Concept of Feedback:- Negative Feedback and its advantage in Amplification, Positive Feedback :- Oscillators, Comparison between Oscillator and Amplifier, RC Phase Shift Oscillator, LC Oscillator.
Switching Circuits Multivibrators : - Monostable using IC 555 and Actable using IC 555 (including problems),
Voltage Regulators: Need of Voltage regulation, Zener diode basics (including problems on Zener diode), Series Voltage Regulation, Shunt Voltage Regulation,
Power Amplifiers: - Class A, B, AB. Design of Single stage Amplifier using BJT.

Telecommunication
Introduction:- Need for modulation system, Concept of Modulation.
AM :- Definition of AM, Modulation index, Power relation in AM, Generation and Demodulation of AM.
SSB:- Power requirement in comparison with AM, Advantages of SSB over AM, Concept of Balanced Modulator, Generation of SSB, Pilot Carrier System, Independent Side System, Vestigial Sideband Transmission.
FM: - Definition of FM, Bandwidth, Noise triangle, Per-emphasis and De- emphasis.
PM: - Definition of PM. Difference between AM and FM. Radio receivers. Pulse Modulation:- Sampling Theorem, PAM, PTM, PWM, PPM, pulse code modulation, Quantization noise, commanding, PCM system, differential PCM, Delta modulation. Multiplexing: - FDM/TDM. Television:- Scanning, Composite Video signal, Television Transmitter, television receiver. Introduction to Digital Communication: PSK, ASK, FSK.

Introduction to fiber optics system:- Propagation of light in optical fiber; ray model . Types of fiber : Single mode, steps index. Graded index. Signal distortion: attenuation, dispersion. Optical sources: LED, LASERS. Optical Detectors and optics links. Link Budget.

References
Allen Mottershead,  Electronic Devices and Circuits , PHI
Boylstead and Neshelesky ,  Electronics Devices and Circuits , 4th, PHI, 1999.
Simon Haykin,  An Introduction to Analog and Digital communications ,
John Wiley and Sons, 1994.
R.B Carlson,  Communication Systems , MacGraw Hill.
George Kennedy,  Electrical Communication systems , Tata McGraw Hill 1993.
Roody Collin,  Electronics Communication , PHI
J. Millman and A Grabel,   Microelectronics  MacGraw Hill 1988.
Proakis J. J,  Digital Communications  Mc Graw Hill.
Digital Communications by TAUB Schilling
Electronic Communication Systems, Roy Blake Delmar, Thompson Learning
Introduction To telecommunications, Anu A Gokhale, Delmar Thompson Learning

Term Work
Should contain at least 10 assignments covering the syllabus

Tutorial
Tutorial should contain 5 assignments

Practical Should contain 5 demonstrations / hands on, assignments covering the syllabus