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kicad/pcb_calculator/attenuators/tee_formula.md

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convert last formula to markdown. Make them translatable.
2019-09-29 16:54:14 +00:00
## Tee attenuator
minor fixes about translatable help files in markdown
2019-10-01 07:56:35 +00:00
__Zin__ desired input impedance in &#x2126;<br>
convert last formula to markdown. Make them translatable.
2019-09-29 16:54:14 +00:00
__Zout__ desired output impedance<br>
__Zin = Zout__<br><br>
* __a__ attenuation in dB
* __L = 10<sup>a/20</sup>__ (the loss)
* ___A = (L + 1)/(L - 1)___<br><br>
Add an other markdown to html converter (sundown), better to convert markdown. The previous converter (maddy) is still available, during some time. We therefore have the time to choose between them. sundown is better to convert a md text, but is written to C maddy has a few issues to convert a md text, but is written to C++ Both have no dependency.
2019-10-01 16:38:54 +00:00
* ___R2 = 2&radic;(L \* Z<sub>in</sub> \* Z<sub>out</sub> )/(L - 1)___
Gerber plotter: add support of standard aperture regular polygon as flashed shape. Standard apertures are circle, rect, oblong and polygon (regular polygonal shapes with 3 to 12 vertices) The support of the standard aperture type polygon was missing in Gerber plotter.
2019-10-02 15:16:27 +00:00
* ___R1 = Z<sub>in</sub> \* A - R2___
* ___R3 = Z<sub>out</sub> \* A - R2___