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High CMRR Instrumentation Amplifier (Schematic and Layout) design for biomedical applications

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Instrumentation amplifiers are intended to be used whenever acquisition of a useful signal is difficult. IA’s must have extremely high input impedances because source impedances may be high and/or unbalanced. bias and offset currents are low and relatively stable so that the source impedance need not be constant. Balanced differential inputs are provided so that the signal source may be referenced to any reasonable level independent of the IA output load reference. Common mode rejection, a measure of input balance, is very high so that noise pickup and ground drops, characteristic of remote sensor applications, are minimized.Care is taken to provide high, well characterized stability of critical parameters under varying conditions, such as changing temperatures and supply voltages. Finally, all components that are critical to the performance of the IA are internal to the device. The precision of an IA is provided at the expense of flexibility. By committing to the one specific task of
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Veebeam HD brings Internet to your TV

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 Smart TVs have been around for some years now, but it is safe to say that they haven’t really caught on just yet in the mass market. Well, for those who are sick and tired of watching videos as well as playing catchup on your TV programmes on a much smaller notebook display, here is the Veebeam HD to solve your woes. With this little puppy, you are able to effortlessly stream just about any content from your notebook to your home TV. You name it – live sports, streaming music, movie websites, home videos from your hard drive, the possibilities are more or less endless as long as you can view it on your computer.

Since the Veebeam HD works over the wireless spectrum, you have one less cable to worry about when it comes to keeping your home clutter-free and neat. All you need to do is plug in the USB receiver into the funky-looking �139.99 Veebeam HD unit, hook it up to your TV while plugging the separate USB antenna into your computer or notebook – it doesn’t matter whether it runs on the Mac OS X platform or Windows.

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