New from Audio Designline is this three page FAQ on class D audio amplifiers. Not extremely technical, but it answers many questions for the technically minded. I remember studying class D amplifiers many years ago in college. In those days the quality was decidedly not hi-fi and the reliability was somewhere in the vicinity of a well-worn Yugo. How times change. Now they seem more common than fly dung and class D controller ICs and ASICs are offered by numerous manufacturers.
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I'm what they used to call an audiophile. What with folks listening to music on cell phones, low bit-rate MP3's and the like, it's kind of out of fashion these days. That is, unless you're into music production.
A previous post featured a short film about members of the Audiophile Club of Athens and the rather extreme sound systems their members have created. Some members spent in excess of $300,000 to build their systems.
This week's Weizmann news stories: A "steam release valve" for inflammation, a "brake" for cell division and an "amplifier" for quantum signals.
Ahram Biosystems just released a