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1) Enter the system impedance and required attenuation then then press "Calculate" below to obtain the ideal resistor values.

System impedance:   Ohms Ideal series resistor:   Ohms
Required attenuation:   dB Ideal shunt resistor:   Ohms
 

2) Change the Preferred Resistor Values to those available then press " Calculate" below to get the resulting attenuator parameters.
 
Preferred value of series resistor:  Ohms Attenuation:   dB
Preferred value of shunt resistor:   Ohms Input Impedance:   Ohms
VSWR: 
Reflection Coefficient: 
Return Loss:   dB
 

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