PPT-Chapter 3: First generation systems-Analog Modulation

Amplitude Modulation AM Time domain equation y AM t Information or message x carrier mt x A cosw c t Frequency domain equation Double sideband . The days of antiquated teaching protocols and hard to 64257nd lab time are quickly coming to an end making way for more 64258exible and handson design techniques that give both professors and students the freedom and creativity to expand the scope o Section 6.6. DSB/SC-AM . Modulation (Review). Frequency Shift . Property (Review). Frequency Spectrum of DSB/SC-AM . Signal (Review). Carrier Signal for Amplitude Modulation. Pulse Amplitude Modulation. nalhareqi-2013. 1. Standard Amplitude Modulation (AM). nalhareqi-2013. 2. In the DSP-SC demodulation, a receiver must generate a local carrier in frequency and phase synchronism with the carrier used for modulation.. 1. st. . semster. 1436-1437. King Saud University . College of Applied studies and Community . Service. 1302CT. DSB-SC. Double Side Band Suppress Carrier (DSB-SC) is one type of Amplitude Modulation. Converting . digital data to a bandpass analog signal is traditionally called . digital-to-analog . conversion. . Converting . a low-pass analog signal to a bandpass analog . signal is . traditionally called analog-to-analog conversion. . Husheng Li. The University of Tennessee. Phase and Frequency Modulation. Consider the standard CW signal. We define the total instantaneous angle. Phase and Frequency Modulation. Phase modulation (PM). Husheng Li. The University of Tennessee. Chopper Sampling . We introduce a switching function such that . x_s. (t)=x(t)s(t), where. Nyquist. Criterion. The sampling rate should be at least twice the bandwidth of the signal, in order to fully reconstruct the signal.. Analog data to analog signal. (AM, FM, PM). Digital data to analog signal. (ASK, FSK, BPSK, QAM). Analog data to digital signal. (PCM, DM). Digital data to digital signal. (line codes). Signal Encoding Techniques (modulation and encoding). Techniques . ( 24 marks). Visit for more Learning Resources. Transmission Techniques. Baseband . Transmission . The electrical equivalent of original information is known as the . baseband signal. . Tenenbaum, . Wetherall. (uploaded on Canvas). Communication. Exchange of information from point A to point B. 100001101010001011101. 100001101010001011101. Transmit. Receive. Wireless Communication. . ). Data Transmission And Digital Communication. Lecture 5– 2019/1440. By: Elham Sunbu. OUTLINE. Sampling.. Pulse Amplitude Modulation .. Analogue to Digital conversion.. Sampling (PCM).. Pulse Code Modulation Advantages.. Lecture 2– 2019/1440. By: Elham Sunbu. OUTLINE. Modulation. Analog Modulation.. AM. FM. PM. Digital Modulation.. Modulation. Operation of varying amplitude, frequency or phase of carrier signal accordingly with the instantaneous amplitude of the message signal.. 2. nd. . semester . 1439-1440. 205NET CLO. 1-Introduction to Communication Systems and Networks architecture OSI Reference Model.. 2- Data Transmission Principles. 3- Transmission medias. 4- Data modulation and encoding. First and second generation communication systems . divide. the total available bandwidth into smaller bandwidth channels . However, third generation systems . share. the entire bandwidth without mutual interference.