Note for Analog Communication Technique - ACT By Dr. Sanjit Kumar Swain

An Overview of Electronic Communication Systems, Signal and its Properties, Fourier Series Expansion and its Use, The Fourier Transform, Orthogonal Representation of Signal.

Need for Frequency translation, Amplitude Modulation(Double, Side Band with Carrier DSB-C),Single Sideband Modulation(SSB) Other AM Techniques and Frequency, Division Multiplexing ,Radio Transmitter and Receiver

Frequency Domain Multiplexing, Angle Modulation, Tone Modulated FM Signal, Arbitrary Modulated FM signal, FM Modulators and Demodulators, Approximately Compatible SSB Systems

Angle Modulation, Tone Modulated FM Signal, Arbitrary Modulated FM signal, FM Modulators and Demodulators, Approximately Compatible SSB Systems

Probability, Random variables, Useful Probability Density functions, Useful Properties and Certain Application Issues

Framework for Amplitude Demodulation, Single Sideband Suppressed Carrier SSB-SC, Double Sideband Suppressed Carrier DSB-SC, Double Sideband With Carrier DSB-C.

An FM Receiving System, Calculation of Signal to Noise Ratio, Comparison of FM and AM, Preemphasis and Deemphasis and SNR Improvement, Noise in Phase Modulation and Multiplexing Issues, Threshold in Frequency Modulation, Calculation of Threshold in an FM Discriminator, The FM Demodulator using Feedback FMFB