By B. Preetham Kumar
Communications procedure Laboratory deals an built-in method of communications process educating. encouraged by way of his scholars’ expressed wish to learn historical past idea defined simply and to procure useful computing device education, Dr. Kumar has crafted this textbook, perfect for a primary path in communique systems.
The ebook merges conception with useful software program and functions. each one bankruptcy comprises the subsequent elements: a short idea that describes the underlying arithmetic and rules, a problem-solving part with a collection of commonplace difficulties, a working laptop or computer laboratory with programming examples and workouts in MATLAB® and Simulink®, and eventually, in acceptable chapters, a laboratory with routines utilizing attempt and size equipment.
Covering primary issues comparable to frequency and bandwidth, in addition to various generations of modulation together with present 4G long term evolution (LTE) recommendations and destiny applied sciences like extremely wideband (UWB) platforms, Communications method Laboratory offers engineering scholars with a deeper realizing of ways digital communications hyperlink the area.
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Extra resources for Communications System Laboratory
3 In this experiment, frequency response measurements will be performed using the Keysight 35670A dynamic signal analyzer. (a) The dynamic signal analyzer can measure the frequency response of a passive device, for example, an electrical filter in the frequency range of 0–50 kHz. In this experiment, we will determine the frequency response of a low pass filter, having a cutoff frequency of 10 kHz. 10, with port 1 as the input port and port 2 as the output port. Since the circuit is quite simple, it can be put together even on a breadboard for testing.
5 MHz (the frequency of a popular FM station), then we can use a band-pass filter to extract this signal. 1 Concept of Carrier in Communication Systems What kinds of electrical signals flow through communication systems? To answer this question, we need to recognize that communication systems are essentially transporters that carry information across the world in the form of telephone calls, e-mails, texts, Internet, radio, and television, which are nowadays a part of our daily life. These transport systems can be compared to trains or planes that move people from place to place; just as a modern commercial plane is a strong and reliable transport, similarly there is need for a strong, stable signal to carry the information.
A) The dynamic signal analyzer can measure the frequency response of a passive device, for example, an electrical filter in the frequency range of 0–50 kHz. In this experiment, we will determine the frequency response of a low pass filter, having a cutoff frequency of 10 kHz. 10, with port 1 as the input port and port 2 as the output port. Since the circuit is quite simple, it can be put together even on a breadboard for testing. However, if a circuit is soldered together, that would be more ideal.
Communications System Laboratory by B. Preetham Kumar