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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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Samsung Galaxy S4

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finally the smartphone manufacture Samsung Electronics announced the much awaited s series fourth generation GALAXY S 4 smatphone which features a  5-inch Full HD Super AMOLED display with a resolution of 1920 x 1080 pixels at 441 ppi. 


It weighs 130g and is 7.9 mm thick. The phone will be powered by a 1.9 GHz Quad-Core Processor or a 1.6 GHz Octa-Core processor.Running Android 4.2.2 OS, the Galaxy S4 has a 13 megapixel auto focus camera with flash and zero shutter lag.
It also uses the corning gorilla glass 3 technology which makes it a perfect companion for life.


Its features like Samsung optical reader(it will recognize text,bar codes etc and then use them for call,sms,translation and much more) and Samsung watch on(it will serve as a optical remote for large number of in house devices like tv,dvd plyers ,ac etc) make our life much more simple by providing more utilities



The new "s health" software from samsung will provide you details about your health and regular preventions and cure about various body diseases.


so keep your pockets lose to get your hands on this new flagship phone from Samsung shortly :):)

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