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Satellite Technology
Solar or Sun Outage
Solar outages affect satellite communications, including direct broadcast when the Sun moves behind the satellite. The noise it generates falls within the beam-width of the antenna and can disrupt reception of the required satellite signal. Read more . . .
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Cellular Telecommunications
Self Organising Networks, SON, Basics
With the need to keep costs down and provide greater levels of automation for deploying and maintaining base stations and cells, the concept of self-organising networks is now high on the agenda. Find out how they work.. Read more . . .
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Test and Measurement
VXI Modular Test Instrumentation System
The VXI system and VXIbus pioneered the way with chassis mounted test instrumentation. Based around the VMEbus, VXI is still widely used today, even though its smaller brother, PXI is more commonly seen. Read more . . .
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Cellular Telecommunications
GSM Tutorial
GSM or the Global System for Mobile Telecommunications has been the most successful mobile telecommunications system ever. Although 3G and then 4G systems are now taking over, it will be many years before GSM is totally superseded. It has been the system that really established mobile telecommunications. Read more . . .
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Paper.li news from Radio-Electronics.com
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Cellular telecommunications
Carrier Aggregation - How to Test the Key Enabler for LTE Advanced
Meik Kottkamp, Technology Manager at Rohde & Schwarz describes the key issues behind LTE Carrier Aggregation and shows how they can be tested effectively. Read more...
Wavelet Radio – Adaptive and Reconfigurable Wireless Systems Based on Wavelets
Homayoun Nikookar
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Types of Signal Generator
There are several different types of signal generator that are available. Each type has its set of signals it can produce and as a result they are suitable for different applications. Read more . . .
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Electronic Components
Zener Diode / Voltage Reference Diode
Zener diodes, or more correctly voltage reference diodes are widely used to provide stable voltages within circuits. These diodes utilise one of two different mechanisms to provide the stable voltage. Read more . . .
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Circuits & Modules
Darlington Pair
The Darlington Pair is a circuit configuration that is widely used for providing high levels of gain and input impedance. However to obtain the best performance, its limitations must also be understood. Read more . . .
Electronic Components
Tunnel Diode
The Tunnel diode can be used within microwave oscillators, amplifiers and mixers where it can be used as an 'active' device. Although not as widely used as some years back, it cna still find some useful applications. Read more . . .
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Most popular articles:
Articles by industry experts
Future of Cognitive Radio - an interview with Dr Joseph MitolaCarrier Aggregation – How to Test the Key Enabler for LTE Advanced
Implementing ZigBee Light Link for Lighting Control
Mobile World Congress 2013: What was it all about?
Current VoLTE Development and Deployment
Facts of the day
25 May 2013
History - It was on this day in 1874 that Guglielmo Marconi was born in Bologna North Italy. He relentlessly pioneered much radio work, making the first transatlantic transmission when others thought it impossible. He was termed the "Father of Radio" by some.
Quote - The most exciting phrase to hear in science, the one that heralds new discoveries, is not Eureka! (I found it!) but rather, "hmm.... that's funny...." - Isaac Asimov
Fact - The Eiffel Tower in Paris is 320.755 metres (1052 feet) high, including the television antennas, and it contains 2 500 000 rivets and contains 18 038 metal pieces.
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