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Re: Sensitivity Anlysis..


 

--- In LTspice@..., "Apparajan" <dg1@...> wrote:

Let s take a simple 2 resistor divider and a battery
I want to step one of the resistors by 1% or 10%.(small
change sensitivity v. large change sensitivity ) I want
to plot "(Delta(Vout)/Vout)/(Delta(R)/R)"...
How do I do this?
Or has this question been already answered..?
Cheers
AG
Hello AG,

Maybe this will work. Let's assume you have the non modified
divider on the schematic too.

.step param TOL 0 0.01 0.1

.param RX=1k*(1+TOL)

V1 100 0 {TOL}


Then plot the following.

(V(out)-V(outref))/V(TOL)

Best regards,
Helmut

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