kicad/pcb_calculator/attenuators/bridget_tee_formula.md

9 lines
243 B
Markdown
Raw Normal View History

__Zin__ desired input impedance in &#8486<br>
__Zout__ desired output impedance __Zin = Zout__
### Bridged tee attenuator:
* __a__ attenuation in dB
* __L = 10<sup>a/20</sup>__ (the loss)
* ___R1 = Zin * (L - 1)___
* ___R2 = Zin / (L - 1)___