2021-10-14 22:54:17 +00:00
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### Pi Attenuator
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2021-10-23 15:52:58 +00:00
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___a___ is attenuation in dB<br>
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___Z<sub>in</sub>___ is desired input impedance in Ω<br>
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___Z<sub>out</sub>___ is desired output impedance in Ω<br>
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2019-09-29 16:54:14 +00:00
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2021-10-23 15:52:58 +00:00
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___L = 10<sup>a/20</sup>___<br>
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___A = (L+1) / (L−1)___<br><br>
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___R<sub>2</sub> = (L−1) / 2·√(Z<sub>in</sub> · Z<sub>out</sub> / L)___<br>
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___R<sub>1</sub> = 1 / (A/Z<sub>in</sub> − 1/R<sub>2</sub>)___<br>
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2021-10-14 22:54:17 +00:00
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___R<sub>3</sub> = 1 / (A/Z<sub>out</sub> − 1/R<sub>2</sub>)___
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