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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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LG Optimus LTE2

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True HD IPS 
2GB RAM
wireless charging
Android 4.0  
2,150mAh battery


recently lg announced its galaxy s3 rival lg optimus lte2 in Korea on the day of galaxy s3 Launce that is on may 3 .Samsung's Korean rival decided not to let the Galaxy S III have the full spotlight for long, officially unleashing the Optimus LTE2.its tech specs were mind blowing which included :



True HD IPS 
2GB RAM
wireless charging
Android 4.0  
2,150mAh battery.
it is rumored to include a quad core chip .e havent seen such benchmarks of 2 gb ram in the smart phone arena.so it would serve as the true galaxy s3 rival .it will come in korean market in mid may and in in rest of the world it will be available in June.its price and complete tech specs will be available soon.

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