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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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angry birds space -hands on

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All work and no play makes even the hottest smartphone downright dull. It's with this in mind that Samsung is showcasing Rovio's latest creation, Angry Birds Space, running on the Galaxy Note at SXSW in Austin, Texas. We took a moment to get our feisty paws on the demo, which showcases the weightless, space-like trajectories that players must contend with in the game. Exclusive to the Galaxy Note, users will find a bonus level of play, in addition to the free Danger Zone add-on -- a collection of 30 levels that'll be available to the masses as an in-app purchase. If you haven't been keeping score, the game will make its official debut on March 22nd. So what're you waiting for? Hop the break for the PR and watch as we take revenge on those fiendish pigs!






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