<p>Power Supply Impdedance</p>

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Input Filter Design

V.in 40 V * :

L.out 66 μH * :

I.out 1 A * :

C.out 68 μF * :

R.Lout_DCR 88 mohm * :

V.out 5 V * :

Duty 45.8 % * :

ESR.Cout 90 mohm * :

R.out V.out I.out / : 5 Ω *

j 12000 range :

f j el 100 j 200 - (500 /^:

Hi. You have some issues, like the units in Co, the "i" in f instead j, and some few others. Also, you use "det" instead "abs". You can type "abs(", it's convert to absolute value. After correct them, you "need" to add eval() for increase the speed, and plot the logarithms (with vectorize) of the magnitudes, augmented as two column vectors

w j el f j el rad s / * :

s j el 2 π * i * w j el * :

determinate

Z j el R.out R.Lout_DCR + (Duty 2^/ 1 s j el L.out R.out R.Lout_DCR + / ESR.Cout R.out R.Lout_DCR * R.out R.Lout_DCR + / + (C.out * + (* + s j el (2^L.out * C.out * R.out ESR.Cout + R.out R.Lout_DCR + / (* + (1 s j el R.out ESR.Cout + (* C.out * + / (* abs eval :

plot f log10 vectorize Z Ω / abs log10 vectorize augment eval :

plot x sin