PSpice User Guide

PSpice User Guide

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PSpice A/D User Guide AC analyses October 2019 511 Product Version 17.4-2019 © 2022 All Rights Reserved. Using a DC source Consider the circuit shown below. At the DC bias point, PSpice A/D calculates the partial derivatives which determine the linear response of the multiplier as follows: For this circuit, this equation reduces to: This means that the multiplier acts as an amplifier of the AC input with a gain that is set by the DC input. V Out ( ) V Out ( ) ∂ V In1 ( ) ∂ -------------------- V Out ( ) ∂ V In2 ( ) ∂ -------------------- + = 2.V In1 ( ) 2. + · 0 = V Out ( ) 2V In1 ( ) =

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