Use this program to design an Unequal Resistive Power Divider.

Figure 1. Unequal Resistive Power Divider

Enter the desired main-path loss, and reference impedance, then click "Calculate."

dB1	Main Path Loss, dB (range 0-6.02dB)
Zo	Reference Impedance

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For the design equations, see this article in High Frequency Electronics.