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TechOnline | Frequency Modulation (FM) Tutorial
Edwin H. Armstrong, known as one of the founding fathers of radio technology, invented the superheterodyne radio receiver in 1918 and frequency modulation (FM) in 1933. These two concepts, along with his regenerative circuit technique developed in 1912, formed the basis of radio frequency
cmwp.dvi
A MATLAB R -based Object-Oriented Approach to Multipath Fading Channel Simulation Cyril-Daniel Iskander* Hi-Tek Multisystems 7945 Avenue de Cornouailles, Qu´ ebec, QC, Canada, G1H 3V9 E-mail: cyril iskander@hotmail.com Abstract— A MATLAB R -based object-oriented implementation of a multipath fading
TechOnline | A Primer on Digital Beamforming
Beamforming is the combination of radio signals from a set of small non-directional antennas to simulate a large directional antenna. In communications, beamforming is used to point an antenna at the
TechOnline | Common Public Radio Interface (CPRI) - An overview
This paper provides an overview of the Common Public Radio Interface (CPRI), an industry cooperation aimed at defining a publicly available specification for the key internal interface of radio base stations between the Radio Equipment Control (REC) and the Radio Equipment (RE).
TechOnline | Cambridge Silicon Radio Bluecore 5 Multimedia External Bluetooth RFIC (BC57E687B)
This Insight Report describes the Cambridge Silicon Radio (CSR) which has a reputation in the industry as being a strong provider of Bluetooth solutions. The BlueCore 5 Media is one of their latest versions of the popular BlueCore series that integrates additional functionality over previous
TechOnline | Achieving SCA Compliance for COTS Software Defined Radio
The Software Communications Architecture (SCA) mandated by the Joint Tactical Radio System (JTRS) program office provides a software framework for the implementation of Software Defined Radio (SDR) p
TechOnline | Broadcast FM Radio Tuner for Portable Applications
The Si4702/03 integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception. This data sheet describes the features of the Si4702/03 and the applications in which it is used, and provides a typical application schematic, a bill of materials, and
TechOnline | Wireless Communications Market Demands Innovative Boards in Software Defined Radio
Developers of advanced digital radio systems require board-level solutions of compact, versatile architectures that present all radio sections on a single board. Hardware performance, flexibility, an
TechOnline | Software Defined Radio Handbook, 7th Edition
The folks at Pentek, who wrote the book on software radio, are pleased to announce their recently released and expanded Software Radio Handbook. Now in its 7th edition, the handbook proves to be a useful technical reference for engineers.
TechOnline | USB FM Radio
This USB FM Radio design is intended as a reference for incorporating FM radio functionality into a USB product. The design consists of two major components: the Si4701 FM radio receiver and the C8051F321 microcontroller with a built-in Universal Serial Bus (USB) peripheral. Due to the high level
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