33 lines
1.9 KiB
HTML
33 lines
1.9 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=windows-1252"/>
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<title></title>
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<meta name="generator" content="LibreOffice 5.0.3.2 (Windows)"/>
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<meta name="created" content="00:00:00"/>
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<meta name="changed" content="2016-01-16T13:33:30.802000000"/>
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<meta name="created" content="00:00:00">
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<meta name="changed" content="2016-01-16T10:18:56.932000000">
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<meta name="created" content="2016-01-16T10:09:46.840000000">
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<meta name="changed" content="2016-01-16T10:10:55.745000000">
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</head>
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<body lang="fr-FR" dir="ltr">
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<p style="margin-bottom: 0cm"><font face="Times New Roman, serif"><font size="5" style="font-size: 18pt">Z<sub>in</sub>
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desired input impedance in <b>Ω</b></font></font></p>
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<p style="margin-bottom: 0cm"><font face="Times New Roman, serif"><font size="5" style="font-size: 18pt">Z<sub>out</sub>
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desired output impedance <b>Z in = Z out</b></font></font></p>
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<p style="margin-bottom: 0cm"><font face="Times New Roman, serif"><font size="5" style="font-size: 18pt"><i><b>a</b></i>
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attenuation in dB</font></font></p>
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<p style="margin-left: 1.25cm; margin-bottom: 0cm"><font face="Times New Roman, serif"><font size="5" style="font-size: 18pt"><b>L
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= 10</b><sup><b>a/20</b></sup> (the loss)</font></font></p>
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<p style="margin-bottom: 0cm"><br/>
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</p>
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<p style="margin-bottom: 0cm"><font face="Times New Roman, serif"><font size="5" style="font-size: 18pt"><b>Bridged
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tee attenuator</b></font></font></p>
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<p style="margin-left: 1.25cm; margin-bottom: 0cm"><font face="Times New Roman, serif"><font size="6" style="font-size: 24pt"><i><b>R1
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= Z<sub>in</sub> * (L − 1)</b></i></font></font></p>
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<p style="margin-left: 1.25cm; margin-bottom: 0cm"><font face="Times New Roman, serif"><font size="6" style="font-size: 24pt"><i><b>R2
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= Z<sub>in</sub>/(L − 1)</b></i></font></font></p>
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</body>
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</html> |