EC305

EC305 Communication Theory ( 3 – 0 – 0 ) 3

Basic blocks of communication system. Linear modulation - AM, DSB-SC, SSB and VSB signals. Methods of generation and detection.

Angle modulation- Frequency and Phase modulation. Methods of generation and detection. Superheterodyne receiver.

RF power amplifiers- Design of class A, B, AB, C, D, E and F power amplifiers. Modulation of power amplifiers.

Circuits for generation and detection of AM, DSBSC, SSBSC, FM signal.

Noise in CW modulation systems- SNR calculations for synchronous detection of DSB and SSB and envelope detection of AM.SNR calculations for angle modulation systems. Pre-emphasis and de-emphasis. Threshold effect. Noise in Communication subsystems- Internal and external noise.

References: 

S.Haykins, Communication Systems (4/e), Wiley.

B.Carlson, Introduction to Communication Systems (4/e), McGraw-Hill

J.S.Beasley & G.M.Miler, Modern Electronic Communication(8/e), Pearson

J.Smith, Modern Communication Circuits (2/e), McGraw Hill