T Attenuator Calculator

The purpose of this calculator is to determine the resistances to use in the design of a T attenuator with given input impedance, output impedance, and desired attenuation.

tee attenuator
R1=Zin((10^(A/10)+1)/(10^(A/10)-1))-R3R2=Zout((10^(A/10)+1)/(10^(A/10)-1))-R3R3=2sqrt(Zin*Zout*10^(A/10))/(10^(A/10)-1)

Input ParametersResults
Attenuation: dB
Input Impedance: ohms
Output Impedance: ohms

Input Parameters

Attenuation:
Input Impedance: ohms
Output Impedance: ohms

Output Parameters

Invalid input, 0 dB not a valid loss for a T attenuator