| GENERAL INFORMATION: | Instructors: Koukourlis Christos Semester: 6th |
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| CREDITS: | ECTS Units: 6 Teaching Units: 4 Theory Hours: 2 Exercises Hours: 1 Lab Hours: 2 |
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| COURSE PAGE: | https://eclass.duth.gr/courses/TMA177/ | |
Course Description |
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| Telephony Systems. Telephone switching. Time Slot Interchange. Fourier Analysis. Frequency Spectrum. Power Spectral Density. Frequency Translation. Analog Transmission Systems. Amplitude Modulation. Spectrum of analog modulated signal. Balanced Modulators. Single Side Band Modulation methods of implementation. Frequency Division Multiplexing. Phase and Frequency (angle) Modulation. Phase and frequency deviation. Spectrum of FM signal. Bessel functions. Phasor representaion of FM signal. FM implementaion, Armstrong System. Frequency multiplication. Nyquyst Sampling theorem. Paulse Amplitude Modulation. Natural Sampling, Flat topped sampling. Signal Quantization, Quantization Error. Pulse Code Modulation (PCM). Compression – Expanding (Companding). PCM Signal Multiplexing – T1, E1 systems and higher order. Differential PCM. Delta Modulation. | ||
