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Difference Of Squares Analog Computing

2015-01-09 20:22  
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Because the differential input capability of the  AD532 , algebraic solution of several interesting functions such as difference of squares, (X2-Y2)/10V is allowed. The following figure shows us about the configuration of AD532 in the square mode, with a simple unity gain inverter connected between one of the signal inputs (Y) and one of the inverting input terminals (-Yin) of the amplifier. For unity gain and best accuracy, the inverter should use precision (0.1%) resistors or be otherwise trimmed.


difference of squares circuit schematic

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