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ff1872379d
kicad
/
pcb_calculator
/
attenuators
/
bridget_tee_formula.md
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Bridged tee attenuator:
Zin
desired input impedance in Ω
Zout
desired output impedance
Z
0
= Zin = Zout
a
attenuation in dB
L = 10
a/20
(the loss)
R1 = Z
0
* (L - 1)
R2 = Z
0
/ (L - 1)