Let’s take the example of a single-band UHF antenna. This looks a bit like a fish skeleton. The “bones” are arranged in pairs on opposite sides of a central “spine”. The bones near the front are shorter than those near…
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So how do MP3 files work?
MP3 compressed sound files are finally becoming popular with online music stores, now that DRM is on the way out. Although MP3 compression is not quite as efficient as AAC and WMA it is good enough. The files are much smaller…
Hello world!
Welcome to Infomania The website was previously running on a CMS (content management system) which proved to time consuming to manage. Hopefully the new platform will allow us to concentrate on postings, hints and tips on a more frequent basis.…
GSM phone technology
GSM cellular phones use a combination of Time and Frequency Division Multiple Access. TDMA simply means that several stations can share a frequency by taking turns. The difficult bit is making them think they’ve all got the channel to themselves.…