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 Tee Attenuator Calculator Enter Attenuation and Zo to solve for R1 and R2 Atten. (dB) Zo () R1 () R2 () 2.88 433.34 R1 = Z0 * ((10 ^ (dB / 20) - 1) / (10 ^ (dB / 20) + 1)) R2 = 2 * Z0 * (10 ^ (dB / 20) / (10 ^ (dB / 10) - 1)) Pi Attenuator Calculator Enter Attenuation and Zo to solve for R1 and R2 Atten. (dB) Zo () R1 () R2 () 869.55 5.77 R1 = Z0 * ((10 ^ (dB / 20) + 1) / (10 ^ (dB / 20) - 1)) R2 = (Z0/2) * (10 ^ (dB / 10) - 1) / (10 ^ (dB / 20)) Bridged Tee Attenuator Calculator Enter Attenuation and Zo to solve for R1 and R2 Atten. (dB) Zo () R1 () R2 () 6.10 409.77 R1 = Z0 * (10 ^ (dB / 20) - 1) R2 = Z0 / (10 ^ (dB / 20) - 1) Reflection Attenuator Calculator Enter Attenuation and Zo to solve for R1 and R2 Atten. (dB) Zo () R1 < Zo() R1 > Zo() 2.88 869.55 R1 = Zo * ((10 ^ (dB / 20) - 1) / (10 ^ (dB / 20) + 1)) for R1 < Zo R1 = Zo * ((10 ^ (dB / 20) + 1) / (10 ^ (dB / 20) - 1)) for R1 > Zo Balanced Attenuator Calculator Enter Attenuation and Zo to solve for R1 Atten. (dB) Zo () R1() 204.89 R1 = Zo * (1 / (10 ^ (dB / 20) - 1) )

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