# Tag Info

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### Why do we use step response?

Step response and transfer function are interchangeable via Laplace transform (step response -> differentiate to get impulse response -> laplace -> transfer function), but you can't run a Laplace ...
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### Determine transfer function from circuit

When you deal with a circuit whose transfer function must be determined, you must try to rearrange the components and sources in a friendlier way so that things become clearer. For instance, in your ...
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### over and critically damped systems settling time

TL;DR: NO, you can't use the underdamped settling time formula to find out the settling time of an overdamped system. And you can't use it for a critically damped system either. LONG FORM answer ...

### Under what conditions does jw equal the laplace variable s in an electrical circuit?

The Laplace variable $s$ relates to Fourier's $j\omega$ as follows: $$s = \sigma + j\omega$$ Fourier transform can be seen as a Laplace transform when $\sigma=0$. The $\sigma$ allows the ...
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### Exciting an RC Circuit at its TRUE Pole on the Sigma (Real) Axis in the Left-Half Plane

Good question, here's my attempt. You still have to convert your input signal from the time domain to s domain, then do the math, then convert the result back to the time domain. That pole just tells ...
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