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HIGH PRECISION DIFFERENTIAL AMPLIFIER














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3 ) DIFFERENTIAL AMP

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THIS IS THE BASIC DIFFERENTIAL AMPLIFIER MADE UP OF 3 SECTIONS FROM AN LM 224 OP AMP WE WILL USE THE VALUES  LISTED IN THIS DRAWING.
THE GAIN WILL BE FIXED AT 101 GIVING AN ERROR AMPLIFICATION OF SUFFICIENT MAGNITUDE TO CONTROL THE VALVE PROPORTION TO WELL WITHIN 0.02 deg C
















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