Communication theory


About RF circuit


The field of high-frequency circuit design is receiving significant industrial attention due to a host of radio-frequency (RF) and microwave (MW) applications. Improved semiconductor devices have made possible a proliferation of high-speed digital and analog systems as observed in wireless communication, global positioning, RADAR, and related electrical and computer engineering disciplines. Here we will introduce the principle and practical RF circuit to the engineer who are interested the RF designs.



About this website

This website is design for reader who seek for materials and study at RF circuit and communication. We introduce basic concepts of RF theory and circuit. It includes: the history of radio, the RF components such as passive IC,MOS device,passive RLC networks. RF theory as smith chart and bandwidth estimation techniques. As well as the design of LNAs, RF power amplifiers, Mixers, phase-locked loops, oscillators and synthesizers. we will discuss phase noise and the influence to RF circuit too.

Also we will introduce communication systems, including communication theory such as signals and spectra, random processes and spectral analysis, practical communication system such as AM,FM, wire and wireless communication system, satellite communication systems and fiber optic systems. You can get deep understanding from practical system by analyse its character and performance.

 


About communication system


A system of functions making possible the communication between different parties, the carriers of which can be biological, personal, social or technical units. A communication system provides only a channel for mutual information exchange which is not apriori dedicated to certain categories of information only.

The practical communication system such as wire and wireless communication system, satellite communication systems and fiber optic systems was spread for communicate tremendous information all over the world.


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