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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

top 10 fastest bullet trains



The CRH380A high-speed train is one of the four Chinese train series which have been designed for the new standard operating speed of 380 km/h (236 mph) on newly constructed Chinese high-speed main lines.its high speed makes it feasible to reach any destination in china on time with great ease.


HSL 1, Belgium runs at a speed of 300 km/h (186 mph). It is a Belgian High speed rail line from Brussels to LGV Nord.


Spain’s AVE Talgo-350 runs at 330 km/h (205 mph).


ETR 500 or Elettro Treno Rapido 500 is Italian high-speed train runs at a speed of 300 km/h (186 mph).


Eurostar, UK that runs at 300 km/h (186 mph) connects London, Paris and Brussels.it is the best rail network in european countries to relay on for reaching your destination on time


Transrapid or TR-09 is a German based high-speed monorail train using magnetic levitation and can hit a speed of 450 km/hour (270.3 mph).

its must to travel once in life time :)


The Shinkansen, also known as the "Bullet Train", is a network of high-speed railway lines in Japan operated by four Japan Railways Group companies. 

the train touches the speed of 

43 km/h (275 mph),within seconds...reach your destination while taking a breath:):)


KTX II or KTX-Sancheon is high speed train built in South Korea by Hyundai Rotem in the second half of the 2000s and operated by Korail,

It can reach speeds of up to 352.4 km/hour (218 mph).



The French-owned TGV Réseau (TGV-R) were built by Alstom between 1992 and 1996 and are based on the earlier TGV Atlantique.it runs at a speed of

380 km/hour.



The THSR 700T is high-speed electric multiple unit trainset derived from the Japanese Shinkansen family for Taiwan High Speed Rail.under good control conditions its reaches a max speed of

335.50 km/h or 208 mph.



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