CMRR and high input impedance instrumentation differential amplifier circuit

Because all of the resistance values are equal, so the Cantonese OP amplifier 4 magnification number (A) is equal to l, but according to need, by selecting small exposed the ug

ly T 5, said Japan A. Said 6 ways to get the desired gain A port because the mountain, Az use two heavy amplifiers I.LPC 454D, it is possible to reduce the ambient temperature changes caused by the puppet dart set shift b differential gain of this circuit is to + IN and iN generated between the two ends of a shame to amplify the potential elbow gain the latter iN grounded, 4 straight gain mine, by the following equation.

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