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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

500 W power amplifier

In this post I will publish the circuit schematic diagram of Power Amplifier with 500watt output mono, yesterday happened to date July 18, 2012 order I able to make Power Sound System 1000 watts stereo output, which is used Sanken Transistor Final original eight seeds, serial 2SC2922 and 2SA1216, while the circuit schematic that I made here just next to it / mono with 4 Sanken transistors, let's see diagram skematic 500Watt Power Amplifier Circuit :





Power circuit requires consumption voltage polarity is 3 - 42Vol; + 42 Vol; CT 0 V and there is a safety fuse / voltage connecting Fuse Fuse is the only positive and negative voltage is connected, the source voltage / transformer CT minimum of 10A, AC Vol 220, 50 Hz.

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