File:Mm'-Derived Low-pass Image Impedance.svg
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DescriptionMm'-Derived Low-pass Image Impedance.svg |
English: A graph comparing the image impedances of prototype low-pass mm'-derived filter, m-derived filter and constant-k filter in the region immediately below ω=ωc=1. The parameters of the mm'-derived filter are m=0.7230, m'=0.4124 (mm'=0.3). The parameter of the m-derived filter is m=0.6. These filters both have the optimum impedance matching for their types.
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Date | ||||
Source | Own work | |||
Author | Inductiveload | |||
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Mathematica Code
[edit]wc = 1; (*mm'-derived*) m1 = 0.7230; m2 = 0.4134; mm = m1*m2; winfmm = wc/Sqrt[1 - mm^2]; zitmm[w_] := (Sqrt[1 - w^2]*(1 - (1 - m1^2)*w^2))/(1 - (w/winfmm)^2); (*m-derived*) m = 0.6; winfm = wc/Sqrt[1 - m^2]; zitm[w_] := Sqrt[1 - w^2]/(1 - (w/winfm)^2); (*constant-k*) zit[w_] := Sqrt[1 - w^2] Plot[ {zitmm[w], zitm[w], zit[w]}, {w, 0.6, 1}, PlotRange -> All ]
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:23, 26 November 2009 | 720 × 460 (63 KB) | Inductiveload (talk | contribs) | put line labels on the graph | |
01:21, 26 November 2009 | 720 × 460 (59 KB) | Inductiveload (talk | contribs) | {{Information |Description={{en|1=A graph comparing the en:image impedances of prototype low-pass en:mm'-derived filter, en:m-derived filter and en:constant-k filter in the region immediately below <var>ω</var>=<var>ω</var><sub>c |
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