COMMUNICATION ELECTRONICSUNIT-IFrequency spectrum of electromagnetic waves, their properties, wave propagation etc.Tuned amplifiers, gain and bandwidth neutralization,noise,types ,source, noise figurecalculation .UNIT-IIAM Modulators series plate modulated class C amplifiers, efficiency & powercalculations ,SSB modulation SSB-SC modulation AM demodulators ,square lawdetector, diode peak detector, envelop detector ,detectors for SSB and SSB-SC-AMsignals, AM using transistorsUNIT-IIIAngle modulation, frequency modulation spectrum reactance tube and FET modulators,Armstrong method ,FM transmitters, frequency stabilization methods,FM discriminator,foster Seeley ,PLL detectors, stereo phonic FM.UNI-IVPulse modulation: Pulse amplitude modulation (PAM) ,pulse width modulation(PWM)Pulse position modulation (PPM),Pulse code modulation (PCM),Delta modulation (DM)UNIT-VRadio receivers & its measurements: TRE receivers, superheterodyne receivers,detailed study of block schematic and circuits of Mixer, RF stage, IF stage ,detector,Automatic Gain Control(AGC),FM radio receivers. Principles of Telephony: N.N.biswasUNIT-VILine Telephony: Elemental phone system, central switching, simple exchange, two &four wire connections, time division multiplexing, analog time division switching, time slotinterchanging (TSI)Space array for digital signals, combined space-time switching.BOOKS:-1. Communication Electronics: -Kennedy,TMHREFERENCE: -1.communication Electronics: - Forest Barker,IBT2.Radio Communication: - Miller3.Electron Tube circuits: - Seeley4.Principle of communication Systems: Taup & Smilliery TMH5.Communication Electronics: Roddy & Coolen PHI6. Communication Electronics: Deshpande TMH

FOUR YEAR BACHELOR OF ENGINEERING (B.E.) DEGREE COURSESEMESTER : FOURTHBRANCH: INFORMATION TECHNOLOGYABBREVIATIONS

4IT24 COMMUNICATION ELECTRONICSUNIT-I:Analog Systems: Frequency spectrum of electromagnetic waves, Their properties,Properties of Fourier transform, Convolution in time and frequency domain,Sampling theorem, Noise types, Sources.UNIT-II:Mechanism of amplitude modulation and detection, SSB, SSB-SC, DSB, Various techniques of generationand detection of FM, Comparision of various system based on SNR.UNIT-III:Digital Systems: Bandwidth and rate of pulse transmission, Pulse spreading and interference, PSD of digitalsignals, Line coding, Digital multiplexing.UNIT-IV:Pulse Modulation: PAM, PWM, PCM and PPM systems, quantization and noise, Delta modulation.UNIT-V:Digital Carrier System, Salient features of ASK, FSK, PSK and DPSK systems, M-ary communicationsystem.PRACTICAL based on above syllabus:TEXT BOOKS:1. Modern Digital and Analog Communication System by B. P. Lathi.2. Communication System by B. P. Lathi.3. Digital Communication by Proakis.REFERENCES:1. Communication Systems by A. B. Carlson.2. Principle of Communication System by Taub & Schilling.3. Communication Electronics by Kennedy.