Basic concepts, Frequency Modulation: Single tone frequency modulation, Spectrum Analysis of Sinusoidal FM Wave, Narrow band FM, Wide band FM, Constant Average Power, Transmission bandwidth of FM Wave - Generation of FM Waves, Direct FM, Detection of FM Waves: Balanced Frequency discriminator, Zero crossing detector, Phase locked loop, Comparison of FM and AM

JNTUH B.Tech R16 II YEAR II SEMESTER ANALOG COMMUNICATIONS EXAMINATION,December - 2019 ( Electrical and Electronics Engineering )

JNTUH B.Tech II year II Semester Analog Communications II Mid Examination paper - April 2019

need of digital modulation,advantages of digital communication,disadvantages of digital comunication,basic encoding techniques or digital modulation techniques,amplitude shift keying,coherent ask detector,non coherent ask detector, pplications of digital modulation,binary phase shift keying,BPSK transimeter,operation,bpsk modulated waveform and phasor diagram.

effects of noise on a signal,types of signal,correlated and un correlated,types of uncorrelated noise,external noise and internal noise,atmospheric noise,extraterrestrial noise,solar noise,man made noise,internal noise,transist time noise,practicability of antena,to remove interference,reduction of noise,multiplexing.