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If you are one of the many people across the country considering a new auto sound system, there is a great deal of good news. First of all, it is very possible to find a good bargain on a nice sound system for your car, truck, or SUV if you are willing to shop online and install the system yourself. The problem often lies not in the cost of the system but the price of the installation. However, the cost of installation is well worth the dollar amount for many of us who really have no clue what to do as far as a project of that scope goes. I for one am among the electronically challenged and not really willing to risk my dash board for an experiment in frustration and failed electronics. That being said, there are many who are either perfectly and wonderfully capable of installing a nice auto sound system or are fortunate enough to know someone or someone who knows someone who is. Gaining Up, finding a great bargain online is probably the best way to go-provided you've actually been...

Finding auto sound systems that can keep up with the constantly evolving technology of today is a real challenge for many car and sound enthusiasts not only around the nation but also around the world. There was a time in the not so distant past when car stereos that had CD players or CD disc changers where the cutting edge of technology. New technology however has nearly rendered the CD players in cars as obsolete as long forgotten 8-track players. The sad news is that many carmakers are clinging to the old days and only offer something as modern as cassette players as standard equipment for auto sound systems. I think those days will soon be forgotten, as cassettes are no longer even in mainstream production. You should also find that as CDs are rapidly becoming replaced by MP3s that take up very little space in our cars and homes, one day very soon we may see that music companies have decided it is no longer cost effective to produce CDs and render all music to digital formats. So, ...

Analogue signal Analogue meter display Analogue systems Analogue systems process analogue signals which can take any value within a range, for example the output from an   LDR   (light sensor) or a microphone. An audio amplifier is an example of an analogue system. The amplifier produces an output voltage which can be any value within the range of its power supply. An analogue meter can display any value within the range available on its scale. However, the precision of readings is limited by our ability to read them. For example the meter on the right shows 1.25V because the pointer is estimated to be half way between 1.2 and 1.3. The analogue meter can show any value between 1.2 and 1.3 but we are unable to read the scale more precisely than about half a division. All electronic circuits suffer from 'noise' which is unwanted signal mixed in with the desired signal, for example an audio amplifier may pick up some mains 'hum' (the 50Hz frequency of the UK m...

If you've been shopping lately for an auto sound system then I am fairly certain that you've come across several full entertainment systems among those in the running for your audio and entertainment dollars. Vehicles today offer everything from DVD players, individual speakers, headphones (also individually adjustable), and even dual players that will allow one different audio to be played in one section of the vehicle than another. In addition to all of these wonderful and nifty devices are many more devices that are meant to tempt, sway, and convince you to spend even more money on the auto sound system of your dreams. Some of these even offer MP3 players that connect directly to the audio system of your car, truck, or SUV. The jury is still out for many people about the safety and sense of having a DVD player in your automobile. While this is the case, people will continue purchasing DVD players are part and parcel of their sound and entertainment systems and manufacturers ...

Maxim describes various SMPS regulator topologies for battery powered systems. Isolated and non-isolated topologies are covered. This tutorial presents an overview of regulator topologies for battery-powered equipment. The discussion covers linear regulators, charge pumps, buck and boost regulators, inverters, and flyback designs. The importance of peak current is explained, and schematics of each topology are shown. [ ]