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

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

Micromax A116 Canvas HD

Micromax has added another device to its smartphone arena, the A116 Canvas HD.
In terms of powerful specifications, the A116 Canvas HD is a powerhouse. To start with, it has a 5-inch IPS display with a 1280x720 pixel resolution. Under the hood, it has a 1.2GHz quad-core MediaTek MT 6589 processor along with 1GB of RAM. It also shows off a PowerVR SGX5 GPU. 

The A116 boasts of dual-SIM capabilities. It has 4GB built-in storage expandable up to 32GB via a microSD card. 
 The rear of the device houses an 8MP camera where as the front has a 0.3MP shooter for video chatting.
The Micromax A116 Canvas HD smartphone is the first smartphone from Micromax’s stable to run on Android 4.1 Jelly Bean. After launch the device will be upgradable to Android 4.2 JellyBeans.
Micromax is also expected to launch 30 smartphones this year and we can expect a significant chink of that to be a part of the Canvas lineup. The micromax devices will be loaded with Micromax’s M!Store, M!Buddy, M!SMS, M!Zone and Hook Up.
The A116 Canvas HD is the successor to the already successful Micromax Canvas 2 A110. The A110 runs on Android 4.0 ICS, has a 5-inch display with a 480x854 pixel resolution, built-in storage of 4GB expandable via a microSD card.  the device possesses a dual-core 1GHz processor and 512MB RAM. It has an 8MP rear-facing camera. It also boasts of dual-SIM capabilities. A 2,000mAh battery powers it to give it a long lasting power punch.
you will not have to wait for long time to go hands on to this phone as it will be launched in February end.
it will be priced nearly 15000 rupees.
so get your fingers crossed to go hands on with the cheap and powerful upcoming device from micromax.

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